]> git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/commitdiff
drm/i915: Rename local struct intel_engine_cs variables
authorTvrtko Ursulin <tvrtko.ursulin@intel.com>
Wed, 16 Mar 2016 11:00:36 +0000 (11:00 +0000)
committerTvrtko Ursulin <tvrtko.ursulin@intel.com>
Wed, 16 Mar 2016 15:33:00 +0000 (15:33 +0000)
Done by the Coccinelle script below plus a manual
intervention to GEN8_RING_SEMAPHORE_INIT.

@@
expression E;
@@
- struct intel_engine_cs *ring = E;
+ struct intel_engine_cs *engine = E;
<+...
- ring
+ engine
...+>
@@
@@
- struct intel_engine_cs *ring;
+ struct intel_engine_cs *engine;
<+...
- ring
+ engine
...+>

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
17 files changed:
drivers/gpu/drm/i915/i915_debugfs.c
drivers/gpu/drm/i915/i915_gem.c
drivers/gpu/drm/i915/i915_gem_context.c
drivers/gpu/drm/i915/i915_gem_debug.c
drivers/gpu/drm/i915/i915_gem_execbuffer.c
drivers/gpu/drm/i915/i915_gem_gtt.c
drivers/gpu/drm/i915/i915_gpu_error.c
drivers/gpu/drm/i915/i915_guc_submission.c
drivers/gpu/drm/i915/i915_irq.c
drivers/gpu/drm/i915/intel_display.c
drivers/gpu/drm/i915/intel_guc_loader.c
drivers/gpu/drm/i915/intel_lrc.c
drivers/gpu/drm/i915/intel_mocs.c
drivers/gpu/drm/i915/intel_overlay.c
drivers/gpu/drm/i915/intel_pm.c
drivers/gpu/drm/i915/intel_ringbuffer.c
drivers/gpu/drm/i915/intel_ringbuffer.h

index 15aacd0ee66fd78ccbe60a158df6239e02d05be2..5037ccb18e778c3e0d6e2893c3c8d84a6743a713 100644 (file)
@@ -129,7 +129,7 @@ static void
 describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
 {
        struct drm_i915_private *dev_priv = to_i915(obj->base.dev);
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        struct i915_vma *vma;
        int pin_count = 0;
        int i;
@@ -143,7 +143,7 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
                   obj->base.size / 1024,
                   obj->base.read_domains,
                   obj->base.write_domain);
-       for_each_ring(ring, dev_priv, i)
+       for_each_ring(engine, dev_priv, i)
                seq_printf(m, "%x ",
                                i915_gem_request_get_seqno(obj->last_read_req[i]));
        seq_printf(m, "] %x %x%s%s%s",
@@ -397,15 +397,15 @@ static void print_batch_pool_stats(struct seq_file *m,
 {
        struct drm_i915_gem_object *obj;
        struct file_stats stats;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        int i, j;
 
        memset(&stats, 0, sizeof(stats));
 
-       for_each_ring(ring, dev_priv, i) {
-               for (j = 0; j < ARRAY_SIZE(ring->batch_pool.cache_list); j++) {
+       for_each_ring(engine, dev_priv, i) {
+               for (j = 0; j < ARRAY_SIZE(engine->batch_pool.cache_list); j++) {
                        list_for_each_entry(obj,
-                                           &ring->batch_pool.cache_list[j],
+                                           &engine->batch_pool.cache_list[j],
                                            batch_pool_link)
                                per_file_stats(0, obj, &stats);
                }
@@ -591,14 +591,13 @@ static int i915_gem_pageflip_info(struct seq_file *m, void *data)
                                           pipe, plane);
                        }
                        if (work->flip_queued_req) {
-                               struct intel_engine_cs *ring =
-                                       i915_gem_request_get_ring(work->flip_queued_req);
+                               struct intel_engine_cs *engine = i915_gem_request_get_ring(work->flip_queued_req);
 
                                seq_printf(m, "Flip queued on %s at seqno %x, next seqno %x [current breadcrumb %x], completed? %d\n",
-                                          ring->name,
+                                          engine->name,
                                           i915_gem_request_get_seqno(work->flip_queued_req),
                                           dev_priv->next_seqno,
-                                          ring->get_seqno(ring, true),
+                                          engine->get_seqno(engine, true),
                                           i915_gem_request_completed(work->flip_queued_req, true));
                        } else
                                seq_printf(m, "Flip not associated with any ring\n");
@@ -637,7 +636,7 @@ static int i915_gem_batch_pool_info(struct seq_file *m, void *data)
        struct drm_device *dev = node->minor->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct drm_i915_gem_object *obj;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        int total = 0;
        int ret, i, j;
 
@@ -645,20 +644,20 @@ static int i915_gem_batch_pool_info(struct seq_file *m, void *data)
        if (ret)
                return ret;
 
-       for_each_ring(ring, dev_priv, i) {
-               for (j = 0; j < ARRAY_SIZE(ring->batch_pool.cache_list); j++) {
+       for_each_ring(engine, dev_priv, i) {
+               for (j = 0; j < ARRAY_SIZE(engine->batch_pool.cache_list); j++) {
                        int count;
 
                        count = 0;
                        list_for_each_entry(obj,
-                                           &ring->batch_pool.cache_list[j],
+                                           &engine->batch_pool.cache_list[j],
                                            batch_pool_link)
                                count++;
                        seq_printf(m, "%s cache[%d]: %d objects\n",
-                                  ring->name, j, count);
+                                  engine->name, j, count);
 
                        list_for_each_entry(obj,
-                                           &ring->batch_pool.cache_list[j],
+                                           &engine->batch_pool.cache_list[j],
                                            batch_pool_link) {
                                seq_puts(m, "   ");
                                describe_obj(m, obj);
@@ -681,7 +680,7 @@ static int i915_gem_request_info(struct seq_file *m, void *data)
        struct drm_info_node *node = m->private;
        struct drm_device *dev = node->minor->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        struct drm_i915_gem_request *req;
        int ret, any, i;
 
@@ -690,17 +689,17 @@ static int i915_gem_request_info(struct seq_file *m, void *data)
                return ret;
 
        any = 0;
-       for_each_ring(ring, dev_priv, i) {
+       for_each_ring(engine, dev_priv, i) {
                int count;
 
                count = 0;
-               list_for_each_entry(req, &ring->request_list, list)
+               list_for_each_entry(req, &engine->request_list, list)
                        count++;
                if (count == 0)
                        continue;
 
-               seq_printf(m, "%s requests: %d\n", ring->name, count);
-               list_for_each_entry(req, &ring->request_list, list) {
+               seq_printf(m, "%s requests: %d\n", engine->name, count);
+               list_for_each_entry(req, &engine->request_list, list) {
                        struct task_struct *task;
 
                        rcu_read_lock();
@@ -739,7 +738,7 @@ static int i915_gem_seqno_info(struct seq_file *m, void *data)
        struct drm_info_node *node = m->private;
        struct drm_device *dev = node->minor->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        int ret, i;
 
        ret = mutex_lock_interruptible(&dev->struct_mutex);
@@ -747,8 +746,8 @@ static int i915_gem_seqno_info(struct seq_file *m, void *data)
                return ret;
        intel_runtime_pm_get(dev_priv);
 
-       for_each_ring(ring, dev_priv, i)
-               i915_ring_seqno_info(m, ring);
+       for_each_ring(engine, dev_priv, i)
+               i915_ring_seqno_info(m, engine);
 
        intel_runtime_pm_put(dev_priv);
        mutex_unlock(&dev->struct_mutex);
@@ -762,7 +761,7 @@ static int i915_interrupt_info(struct seq_file *m, void *data)
        struct drm_info_node *node = m->private;
        struct drm_device *dev = node->minor->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        int ret, i, pipe;
 
        ret = mutex_lock_interruptible(&dev->struct_mutex);
@@ -934,13 +933,13 @@ static int i915_interrupt_info(struct seq_file *m, void *data)
                seq_printf(m, "Graphics Interrupt mask:         %08x\n",
                           I915_READ(GTIMR));
        }
-       for_each_ring(ring, dev_priv, i) {
+       for_each_ring(engine, dev_priv, i) {
                if (INTEL_INFO(dev)->gen >= 6) {
                        seq_printf(m,
                                   "Graphics Interrupt mask (%s):       %08x\n",
-                                  ring->name, I915_READ_IMR(ring));
+                                  engine->name, I915_READ_IMR(engine));
                }
-               i915_ring_seqno_info(m, ring);
+               i915_ring_seqno_info(m, engine);
        }
        intel_runtime_pm_put(dev_priv);
        mutex_unlock(&dev->struct_mutex);
@@ -981,12 +980,12 @@ static int i915_hws_info(struct seq_file *m, void *data)
        struct drm_info_node *node = m->private;
        struct drm_device *dev = node->minor->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        const u32 *hws;
        int i;
 
-       ring = &dev_priv->ring[(uintptr_t)node->info_ent->data];
-       hws = ring->status_page.page_addr;
+       engine = &dev_priv->ring[(uintptr_t)node->info_ent->data];
+       hws = engine->status_page.page_addr;
        if (hws == NULL)
                return 0;
 
@@ -1331,7 +1330,7 @@ static int i915_hangcheck_info(struct seq_file *m, void *unused)
        struct drm_info_node *node = m->private;
        struct drm_device *dev = node->minor->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        u64 acthd[I915_NUM_RINGS];
        u32 seqno[I915_NUM_RINGS];
        u32 instdone[I915_NUM_INSTDONE_REG];
@@ -1344,9 +1343,9 @@ static int i915_hangcheck_info(struct seq_file *m, void *unused)
 
        intel_runtime_pm_get(dev_priv);
 
-       for_each_ring(ring, dev_priv, i) {
-               seqno[i] = ring->get_seqno(ring, false);
-               acthd[i] = intel_ring_get_active_head(ring);
+       for_each_ring(engine, dev_priv, i) {
+               seqno[i] = engine->get_seqno(engine, false);
+               acthd[i] = intel_ring_get_active_head(engine);
        }
 
        i915_get_extra_instdone(dev, instdone);
@@ -1360,17 +1359,17 @@ static int i915_hangcheck_info(struct seq_file *m, void *unused)
        } else
                seq_printf(m, "Hangcheck inactive\n");
 
-       for_each_ring(ring, dev_priv, i) {
-               seq_printf(m, "%s:\n", ring->name);
+       for_each_ring(engine, dev_priv, i) {
+               seq_printf(m, "%s:\n", engine->name);
                seq_printf(m, "\tseqno = %x [current %x]\n",
-                          ring->hangcheck.seqno, seqno[i]);
+                          engine->hangcheck.seqno, seqno[i]);
                seq_printf(m, "\tACTHD = 0x%08llx [current 0x%08llx]\n",
-                          (long long)ring->hangcheck.acthd,
+                          (long long)engine->hangcheck.acthd,
                           (long long)acthd[i]);
-               seq_printf(m, "\tscore = %d\n", ring->hangcheck.score);
-               seq_printf(m, "\taction = %d\n", ring->hangcheck.action);
+               seq_printf(m, "\tscore = %d\n", engine->hangcheck.score);
+               seq_printf(m, "\taction = %d\n", engine->hangcheck.action);
 
-               if (ring->id == RCS) {
+               if (engine->id == RCS) {
                        seq_puts(m, "\tinstdone read =");
 
                        for (j = 0; j < I915_NUM_INSTDONE_REG; j++)
@@ -1380,7 +1379,7 @@ static int i915_hangcheck_info(struct seq_file *m, void *unused)
 
                        for (j = 0; j < I915_NUM_INSTDONE_REG; j++)
                                seq_printf(m, " 0x%08x",
-                                          ring->hangcheck.instdone[j]);
+                                          engine->hangcheck.instdone[j]);
 
                        seq_puts(m, "\n");
                }
@@ -1946,7 +1945,7 @@ static int i915_context_status(struct seq_file *m, void *unused)
        struct drm_info_node *node = m->private;
        struct drm_device *dev = node->minor->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        struct intel_context *ctx;
        int ret, i;
 
@@ -1966,13 +1965,13 @@ static int i915_context_status(struct seq_file *m, void *unused)
 
                if (i915.enable_execlists) {
                        seq_putc(m, '\n');
-                       for_each_ring(ring, dev_priv, i) {
+                       for_each_ring(engine, dev_priv, i) {
                                struct drm_i915_gem_object *ctx_obj =
                                        ctx->engine[i].state;
                                struct intel_ringbuffer *ringbuf =
                                        ctx->engine[i].ringbuf;
 
-                               seq_printf(m, "%s: ", ring->name);
+                               seq_printf(m, "%s: ", engine->name);
                                if (ctx_obj)
                                        describe_obj(m, ctx_obj);
                                if (ringbuf)
@@ -2041,7 +2040,7 @@ static int i915_dump_lrc(struct seq_file *m, void *unused)
        struct drm_info_node *node = (struct drm_info_node *) m->private;
        struct drm_device *dev = node->minor->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        struct intel_context *ctx;
        int ret, i;
 
@@ -2056,8 +2055,8 @@ static int i915_dump_lrc(struct seq_file *m, void *unused)
 
        list_for_each_entry(ctx, &dev_priv->context_list, link)
                if (ctx != dev_priv->kernel_context)
-                       for_each_ring(ring, dev_priv, i)
-                               i915_dump_lrc_obj(m, ctx, ring);
+                       for_each_ring(engine, dev_priv, i)
+                               i915_dump_lrc_obj(m, ctx, engine);
 
        mutex_unlock(&dev->struct_mutex);
 
@@ -2069,7 +2068,7 @@ static int i915_execlists(struct seq_file *m, void *data)
        struct drm_info_node *node = (struct drm_info_node *)m->private;
        struct drm_device *dev = node->minor->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        u32 status_pointer;
        u8 read_pointer;
        u8 write_pointer;
@@ -2090,22 +2089,22 @@ static int i915_execlists(struct seq_file *m, void *data)
 
        intel_runtime_pm_get(dev_priv);
 
-       for_each_ring(ring, dev_priv, ring_id) {
+       for_each_ring(engine, dev_priv, ring_id) {
                struct drm_i915_gem_request *head_req = NULL;
                int count = 0;
                unsigned long flags;
 
-               seq_printf(m, "%s\n", ring->name);
+               seq_printf(m, "%s\n", engine->name);
 
-               status = I915_READ(RING_EXECLIST_STATUS_LO(ring));
-               ctx_id = I915_READ(RING_EXECLIST_STATUS_HI(ring));
+               status = I915_READ(RING_EXECLIST_STATUS_LO(engine));
+               ctx_id = I915_READ(RING_EXECLIST_STATUS_HI(engine));
                seq_printf(m, "\tExeclist status: 0x%08X, context: %u\n",
                           status, ctx_id);
 
-               status_pointer = I915_READ(RING_CONTEXT_STATUS_PTR(ring));
+               status_pointer = I915_READ(RING_CONTEXT_STATUS_PTR(engine));
                seq_printf(m, "\tStatus pointer: 0x%08X\n", status_pointer);
 
-               read_pointer = ring->next_context_status_buffer;
+               read_pointer = engine->next_context_status_buffer;
                write_pointer = GEN8_CSB_WRITE_PTR(status_pointer);
                if (read_pointer > write_pointer)
                        write_pointer += GEN8_CSB_ENTRIES;
@@ -2113,24 +2112,25 @@ static int i915_execlists(struct seq_file *m, void *data)
                           read_pointer, write_pointer);
 
                for (i = 0; i < GEN8_CSB_ENTRIES; i++) {
-                       status = I915_READ(RING_CONTEXT_STATUS_BUF_LO(ring, i));
-                       ctx_id = I915_READ(RING_CONTEXT_STATUS_BUF_HI(ring, i));
+                       status = I915_READ(RING_CONTEXT_STATUS_BUF_LO(engine, i));
+                       ctx_id = I915_READ(RING_CONTEXT_STATUS_BUF_HI(engine, i));
 
                        seq_printf(m, "\tStatus buffer %d: 0x%08X, context: %u\n",
                                   i, status, ctx_id);
                }
 
-               spin_lock_irqsave(&ring->execlist_lock, flags);
-               list_for_each(cursor, &ring->execlist_queue)
+               spin_lock_irqsave(&engine->execlist_lock, flags);
+               list_for_each(cursor, &engine->execlist_queue)
                        count++;
-               head_req = list_first_entry_or_null(&ring->execlist_queue,
-                               struct drm_i915_gem_request, execlist_link);
-               spin_unlock_irqrestore(&ring->execlist_lock, flags);
+               head_req = list_first_entry_or_null(&engine->execlist_queue,
+                                                   struct drm_i915_gem_request,
+                                                   execlist_link);
+               spin_unlock_irqrestore(&engine->execlist_lock, flags);
 
                seq_printf(m, "\t%d requests in queue\n", count);
                if (head_req) {
                        seq_printf(m, "\tHead request id: %u\n",
-                                  intel_execlists_ctx_id(head_req->ctx, ring));
+                                  intel_execlists_ctx_id(head_req->ctx, engine));
                        seq_printf(m, "\tHead request tail: %u\n",
                                   head_req->tail);
                }
@@ -2246,19 +2246,19 @@ static int per_file_ctx(int id, void *ptr, void *data)
 static void gen8_ppgtt_info(struct seq_file *m, struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
        int unused, i;
 
        if (!ppgtt)
                return;
 
-       for_each_ring(ring, dev_priv, unused) {
-               seq_printf(m, "%s\n", ring->name);
+       for_each_ring(engine, dev_priv, unused) {
+               seq_printf(m, "%s\n", engine->name);
                for (i = 0; i < 4; i++) {
-                       u64 pdp = I915_READ(GEN8_RING_PDP_UDW(ring, i));
+                       u64 pdp = I915_READ(GEN8_RING_PDP_UDW(engine, i));
                        pdp <<= 32;
-                       pdp |= I915_READ(GEN8_RING_PDP_LDW(ring, i));
+                       pdp |= I915_READ(GEN8_RING_PDP_LDW(engine, i));
                        seq_printf(m, "\tPDP%d 0x%016llx\n", i, pdp);
                }
        }
@@ -2267,19 +2267,23 @@ static void gen8_ppgtt_info(struct seq_file *m, struct drm_device *dev)
 static void gen6_ppgtt_info(struct seq_file *m, struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        int i;
 
        if (INTEL_INFO(dev)->gen == 6)
                seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(GFX_MODE));
 
-       for_each_ring(ring, dev_priv, i) {
-               seq_printf(m, "%s\n", ring->name);
+       for_each_ring(engine, dev_priv, i) {
+               seq_printf(m, "%s\n", engine->name);
                if (INTEL_INFO(dev)->gen == 7)
-                       seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(RING_MODE_GEN7(ring)));
-               seq_printf(m, "PP_DIR_BASE: 0x%08x\n", I915_READ(RING_PP_DIR_BASE(ring)));
-               seq_printf(m, "PP_DIR_BASE_READ: 0x%08x\n", I915_READ(RING_PP_DIR_BASE_READ(ring)));
-               seq_printf(m, "PP_DIR_DCLV: 0x%08x\n", I915_READ(RING_PP_DIR_DCLV(ring)));
+                       seq_printf(m, "GFX_MODE: 0x%08x\n",
+                                  I915_READ(RING_MODE_GEN7(engine)));
+               seq_printf(m, "PP_DIR_BASE: 0x%08x\n",
+                          I915_READ(RING_PP_DIR_BASE(engine)));
+               seq_printf(m, "PP_DIR_BASE_READ: 0x%08x\n",
+                          I915_READ(RING_PP_DIR_BASE_READ(engine)));
+               seq_printf(m, "PP_DIR_DCLV: 0x%08x\n",
+                          I915_READ(RING_PP_DIR_DCLV(engine)));
        }
        if (dev_priv->mm.aliasing_ppgtt) {
                struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
@@ -2334,12 +2338,12 @@ out_put:
 
 static int count_irq_waiters(struct drm_i915_private *i915)
 {
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        int count = 0;
        int i;
 
-       for_each_ring(ring, i915, i)
-               count += ring->irq_refcount;
+       for_each_ring(engine, i915, i)
+               count += engine->irq_refcount;
 
        return count;
 }
@@ -2447,7 +2451,7 @@ static void i915_guc_client_info(struct seq_file *m,
                                 struct drm_i915_private *dev_priv,
                                 struct i915_guc_client *client)
 {
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        uint64_t tot = 0;
        uint32_t i;
 
@@ -2462,11 +2466,11 @@ static void i915_guc_client_info(struct seq_file *m,
        seq_printf(m, "\tFailed doorbell: %u\n", client->b_fail);
        seq_printf(m, "\tLast submission result: %d\n", client->retcode);
 
-       for_each_ring(ring, dev_priv, i) {
+       for_each_ring(engine, dev_priv, i) {
                seq_printf(m, "\tSubmissions: %llu %s\n",
-                               client->submissions[ring->guc_id],
-                               ring->name);
-               tot += client->submissions[ring->guc_id];
+                               client->submissions[engine->guc_id],
+                               engine->name);
+               tot += client->submissions[engine->guc_id];
        }
        seq_printf(m, "\tTotal: %llu\n", tot);
 }
@@ -2478,7 +2482,7 @@ static int i915_guc_info(struct seq_file *m, void *data)
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_guc guc;
        struct i915_guc_client client = {};
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        enum intel_ring_id i;
        u64 total = 0;
 
@@ -2502,11 +2506,11 @@ static int i915_guc_info(struct seq_file *m, void *data)
        seq_printf(m, "GuC last action error code: %d\n", guc.action_err);
 
        seq_printf(m, "\nGuC submissions:\n");
-       for_each_ring(ring, dev_priv, i) {
+       for_each_ring(engine, dev_priv, i) {
                seq_printf(m, "\t%-24s: %10llu, last seqno 0x%08x\n",
-                       ring->name, guc.submissions[ring->guc_id],
-                       guc.last_seqno[ring->guc_id]);
-               total += guc.submissions[ring->guc_id];
+                       engine->name, guc.submissions[engine->guc_id],
+                       guc.last_seqno[engine->guc_id]);
+               total += guc.submissions[engine->guc_id];
        }
        seq_printf(m, "\t%s: %llu\n", "Total", total);
 
@@ -3128,7 +3132,7 @@ static int i915_semaphore_status(struct seq_file *m, void *unused)
        struct drm_info_node *node = (struct drm_info_node *) m->private;
        struct drm_device *dev = node->minor->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        int num_rings = hweight32(INTEL_INFO(dev)->ring_mask);
        int i, j, ret;
 
@@ -3149,10 +3153,10 @@ static int i915_semaphore_status(struct seq_file *m, void *unused)
                page = i915_gem_object_get_page(dev_priv->semaphore_obj, 0);
 
                seqno = (uint64_t *)kmap_atomic(page);
-               for_each_ring(ring, dev_priv, i) {
+               for_each_ring(engine, dev_priv, i) {
                        uint64_t offset;
 
-                       seq_printf(m, "%s\n", ring->name);
+                       seq_printf(m, "%s\n", engine->name);
 
                        seq_puts(m, "  Last signal:");
                        for (j = 0; j < num_rings; j++) {
@@ -3174,17 +3178,18 @@ static int i915_semaphore_status(struct seq_file *m, void *unused)
                kunmap_atomic(seqno);
        } else {
                seq_puts(m, "  Last signal:");
-               for_each_ring(ring, dev_priv, i)
+               for_each_ring(engine, dev_priv, i)
                        for (j = 0; j < num_rings; j++)
                                seq_printf(m, "0x%08x\n",
-                                          I915_READ(ring->semaphore.mbox.signal[j]));
+                                          I915_READ(engine->semaphore.mbox.signal[j]));
                seq_putc(m, '\n');
        }
 
        seq_puts(m, "\nSync seqno:\n");
-       for_each_ring(ring, dev_priv, i) {
+       for_each_ring(engine, dev_priv, i) {
                for (j = 0; j < num_rings; j++) {
-                       seq_printf(m, "  0x%08x ", ring->semaphore.sync_seqno[j]);
+                       seq_printf(m, "  0x%08x ",
+                                  engine->semaphore.sync_seqno[j]);
                }
                seq_putc(m, '\n');
        }
@@ -3226,7 +3231,7 @@ static int i915_wa_registers(struct seq_file *m, void *unused)
 {
        int i;
        int ret;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        struct drm_info_node *node = (struct drm_info_node *) m->private;
        struct drm_device *dev = node->minor->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
@@ -3239,9 +3244,9 @@ static int i915_wa_registers(struct seq_file *m, void *unused)
        intel_runtime_pm_get(dev_priv);
 
        seq_printf(m, "Workarounds applied: %d\n", workarounds->count);
-       for_each_ring(ring, dev_priv, i)
+       for_each_ring(engine, dev_priv, i)
                seq_printf(m, "HW whitelist count for %s: %d\n",
-                          ring->name, workarounds->hw_whitelist_count[i]);
+                          engine->name, workarounds->hw_whitelist_count[i]);
        for (i = 0; i < workarounds->count; ++i) {
                i915_reg_t addr;
                u32 mask, value, read;
index b854af2c4141534599f685250f188ac32c54cd68..5a7f6032f0664aaf993d80a63eee80f336aa7b1d 100644 (file)
@@ -1243,11 +1243,11 @@ int __i915_wait_request(struct drm_i915_gem_request *req,
                        s64 *timeout,
                        struct intel_rps_client *rps)
 {
-       struct intel_engine_cs *ring = i915_gem_request_get_ring(req);
-       struct drm_device *dev = ring->dev;
+       struct intel_engine_cs *engine = i915_gem_request_get_ring(req);
+       struct drm_device *dev = engine->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        const bool irq_test_in_progress =
-               ACCESS_ONCE(dev_priv->gpu_error.test_irq_rings) & intel_ring_flag(ring);
+               ACCESS_ONCE(dev_priv->gpu_error.test_irq_rings) & intel_ring_flag(engine);
        int state = interruptible ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE;
        DEFINE_WAIT(wait);
        unsigned long timeout_expire;
@@ -1288,7 +1288,7 @@ int __i915_wait_request(struct drm_i915_gem_request *req,
        if (ret == 0)
                goto out;
 
-       if (!irq_test_in_progress && WARN_ON(!ring->irq_get(ring))) {
+       if (!irq_test_in_progress && WARN_ON(!engine->irq_get(engine))) {
                ret = -ENODEV;
                goto out;
        }
@@ -1296,7 +1296,7 @@ int __i915_wait_request(struct drm_i915_gem_request *req,
        for (;;) {
                struct timer_list timer;
 
-               prepare_to_wait(&ring->irq_queue, &wait, state);
+               prepare_to_wait(&engine->irq_queue, &wait, state);
 
                /* We need to check whether any gpu reset happened in between
                 * the caller grabbing the seqno and now ... */
@@ -1325,11 +1325,11 @@ int __i915_wait_request(struct drm_i915_gem_request *req,
                }
 
                timer.function = NULL;
-               if (timeout || missed_irq(dev_priv, ring)) {
+               if (timeout || missed_irq(dev_priv, engine)) {
                        unsigned long expire;
 
                        setup_timer_on_stack(&timer, fake_irq, (unsigned long)current);
-                       expire = missed_irq(dev_priv, ring) ? jiffies + 1 : timeout_expire;
+                       expire = missed_irq(dev_priv, engine) ? jiffies + 1 : timeout_expire;
                        mod_timer(&timer, expire);
                }
 
@@ -1341,9 +1341,9 @@ int __i915_wait_request(struct drm_i915_gem_request *req,
                }
        }
        if (!irq_test_in_progress)
-               ring->irq_put(ring);
+               engine->irq_put(engine);
 
-       finish_wait(&ring->irq_queue, &wait);
+       finish_wait(&engine->irq_queue, &wait);
 
 out:
        trace_i915_gem_request_wait_end(req);
@@ -2404,17 +2404,17 @@ void i915_vma_move_to_active(struct i915_vma *vma,
                             struct drm_i915_gem_request *req)
 {
        struct drm_i915_gem_object *obj = vma->obj;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
 
-       ring = i915_gem_request_get_ring(req);
+       engine = i915_gem_request_get_ring(req);
 
        /* Add a reference if we're newly entering the active list. */
        if (obj->active == 0)
                drm_gem_object_reference(&obj->base);
-       obj->active |= intel_ring_flag(ring);
+       obj->active |= intel_ring_flag(engine);
 
-       list_move_tail(&obj->ring_list[ring->id], &ring->active_list);
-       i915_gem_request_assign(&obj->last_read_req[ring->id], req);
+       list_move_tail(&obj->ring_list[engine->id], &engine->active_list);
+       i915_gem_request_assign(&obj->last_read_req[engine->id], req);
 
        list_move_tail(&vma->vm_link, &vma->vm->active_list);
 }
@@ -2467,23 +2467,23 @@ static int
 i915_gem_init_seqno(struct drm_device *dev, u32 seqno)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        int ret, i, j;
 
        /* Carefully retire all requests without writing to the rings */
-       for_each_ring(ring, dev_priv, i) {
-               ret = intel_ring_idle(ring);
+       for_each_ring(engine, dev_priv, i) {
+               ret = intel_ring_idle(engine);
                if (ret)
                        return ret;
        }
        i915_gem_retire_requests(dev);
 
        /* Finally reset hw state */
-       for_each_ring(ring, dev_priv, i) {
-               intel_ring_init_seqno(ring, seqno);
+       for_each_ring(engine, dev_priv, i) {
+               intel_ring_init_seqno(engine, seqno);
 
-               for (j = 0; j < ARRAY_SIZE(ring->semaphore.sync_seqno); j++)
-                       ring->semaphore.sync_seqno[j] = 0;
+               for (j = 0; j < ARRAY_SIZE(engine->semaphore.sync_seqno); j++)
+                       engine->semaphore.sync_seqno[j] = 0;
        }
 
        return 0;
@@ -2542,7 +2542,7 @@ void __i915_add_request(struct drm_i915_gem_request *request,
                        struct drm_i915_gem_object *obj,
                        bool flush_caches)
 {
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        struct drm_i915_private *dev_priv;
        struct intel_ringbuffer *ringbuf;
        u32 request_start;
@@ -2551,8 +2551,8 @@ void __i915_add_request(struct drm_i915_gem_request *request,
        if (WARN_ON(request == NULL))
                return;
 
-       ring = request->ring;
-       dev_priv = ring->dev->dev_private;
+       engine = request->ring;
+       dev_priv = engine->dev->dev_private;
        ringbuf = request->ringbuf;
 
        /*
@@ -2587,9 +2587,9 @@ void __i915_add_request(struct drm_i915_gem_request *request,
        request->postfix = intel_ring_get_tail(ringbuf);
 
        if (i915.enable_execlists)
-               ret = ring->emit_request(request);
+               ret = engine->emit_request(request);
        else {
-               ret = ring->add_request(request);
+               ret = engine->add_request(request);
 
                request->tail = intel_ring_get_tail(ringbuf);
        }
@@ -2607,13 +2607,13 @@ void __i915_add_request(struct drm_i915_gem_request *request,
        request->batch_obj = obj;
 
        request->emitted_jiffies = jiffies;
-       request->previous_seqno = ring->last_submitted_seqno;
-       ring->last_submitted_seqno = request->seqno;
-       list_add_tail(&request->list, &ring->request_list);
+       request->previous_seqno = engine->last_submitted_seqno;
+       engine->last_submitted_seqno = request->seqno;
+       list_add_tail(&request->list, &engine->request_list);
 
        trace_i915_gem_request_add(request);
 
-       i915_queue_hangcheck(ring->dev);
+       i915_queue_hangcheck(engine->dev);
 
        queue_delayed_work(dev_priv->wq,
                           &dev_priv->mm.retire_work,
@@ -2885,7 +2885,7 @@ static void i915_gem_reset_ring_cleanup(struct drm_i915_private *dev_priv,
 void i915_gem_reset(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        int i;
 
        /*
@@ -2893,11 +2893,11 @@ void i915_gem_reset(struct drm_device *dev)
         * them for finding the guilty party. As the requests only borrow
         * their reference to the objects, the inspection must be done first.
         */
-       for_each_ring(ring, dev_priv, i)
-               i915_gem_reset_ring_status(dev_priv, ring);
+       for_each_ring(engine, dev_priv, i)
+               i915_gem_reset_ring_status(dev_priv, engine);
 
-       for_each_ring(ring, dev_priv, i)
-               i915_gem_reset_ring_cleanup(dev_priv, ring);
+       for_each_ring(engine, dev_priv, i)
+               i915_gem_reset_ring_cleanup(dev_priv, engine);
 
        i915_gem_context_reset(dev);
 
@@ -2962,19 +2962,19 @@ bool
 i915_gem_retire_requests(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        bool idle = true;
        int i;
 
-       for_each_ring(ring, dev_priv, i) {
-               i915_gem_retire_requests_ring(ring);
-               idle &= list_empty(&ring->request_list);
+       for_each_ring(engine, dev_priv, i) {
+               i915_gem_retire_requests_ring(engine);
+               idle &= list_empty(&engine->request_list);
                if (i915.enable_execlists) {
-                       spin_lock_irq(&ring->execlist_lock);
-                       idle &= list_empty(&ring->execlist_queue);
-                       spin_unlock_irq(&ring->execlist_lock);
+                       spin_lock_irq(&engine->execlist_lock);
+                       idle &= list_empty(&engine->execlist_queue);
+                       spin_unlock_irq(&engine->execlist_lock);
 
-                       intel_execlists_retire_requests(ring);
+                       intel_execlists_retire_requests(engine);
                }
        }
 
@@ -3025,11 +3025,11 @@ i915_gem_idle_work_handler(struct work_struct *work)
        intel_mark_idle(dev);
 
        if (mutex_trylock(&dev->struct_mutex)) {
-               struct intel_engine_cs *ring;
+               struct intel_engine_cs *engine;
                int i;
 
-               for_each_ring(ring, dev_priv, i)
-                       i915_gem_batch_pool_fini(&ring->batch_pool);
+               for_each_ring(engine, dev_priv, i)
+                       i915_gem_batch_pool_fini(&engine->batch_pool);
 
                mutex_unlock(&dev->struct_mutex);
        }
@@ -3391,15 +3391,15 @@ int __i915_vma_unbind_no_wait(struct i915_vma *vma)
 int i915_gpu_idle(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        int ret, i;
 
        /* Flush everything onto the inactive list. */
-       for_each_ring(ring, dev_priv, i) {
+       for_each_ring(engine, dev_priv, i) {
                if (!i915.enable_execlists) {
                        struct drm_i915_gem_request *req;
 
-                       req = i915_gem_request_alloc(ring, NULL);
+                       req = i915_gem_request_alloc(engine, NULL);
                        if (IS_ERR(req))
                                return PTR_ERR(req);
 
@@ -3412,7 +3412,7 @@ int i915_gpu_idle(struct drm_device *dev)
                        i915_add_request_no_flush(req);
                }
 
-               ret = intel_ring_idle(ring);
+               ret = intel_ring_idle(engine);
                if (ret)
                        return ret;
        }
@@ -4656,11 +4656,11 @@ static void
 i915_gem_stop_ringbuffers(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        int i;
 
-       for_each_ring(ring, dev_priv, i)
-               dev_priv->gt.stop_ring(ring);
+       for_each_ring(engine, dev_priv, i)
+               dev_priv->gt.stop_ring(engine);
 }
 
 int
@@ -4697,8 +4697,8 @@ err:
 
 int i915_gem_l3_remap(struct drm_i915_gem_request *req, int slice)
 {
-       struct intel_engine_cs *ring = req->ring;
-       struct drm_device *dev = ring->dev;
+       struct intel_engine_cs *engine = req->ring;
+       struct drm_device *dev = engine->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        u32 *remap_info = dev_priv->l3_parity.remap_info[slice];
        int i, ret;
@@ -4716,12 +4716,12 @@ int i915_gem_l3_remap(struct drm_i915_gem_request *req, int slice)
         * at initialization time.
         */
        for (i = 0; i < GEN7_L3LOG_SIZE / 4; i++) {
-               intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1));
-               intel_ring_emit_reg(ring, GEN7_L3LOG(slice, i));
-               intel_ring_emit(ring, remap_info[i]);
+               intel_ring_emit(engine, MI_LOAD_REGISTER_IMM(1));
+               intel_ring_emit_reg(engine, GEN7_L3LOG(slice, i));
+               intel_ring_emit(engine, remap_info[i]);
        }
 
-       intel_ring_advance(ring);
+       intel_ring_advance(engine);
 
        return ret;
 }
@@ -4829,7 +4829,7 @@ int
 i915_gem_init_hw(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        int ret, i, j;
 
        if (INTEL_INFO(dev)->gen < 6 && !intel_enable_gtt())
@@ -4876,8 +4876,8 @@ i915_gem_init_hw(struct drm_device *dev)
        }
 
        /* Need to do basic initialisation of all rings first: */
-       for_each_ring(ring, dev_priv, i) {
-               ret = ring->init_hw(ring);
+       for_each_ring(engine, dev_priv, i) {
+               ret = engine->init_hw(engine);
                if (ret)
                        goto out;
        }
@@ -4901,17 +4901,17 @@ i915_gem_init_hw(struct drm_device *dev)
                goto out;
 
        /* Now it is safe to go back round and do everything else: */
-       for_each_ring(ring, dev_priv, i) {
+       for_each_ring(engine, dev_priv, i) {
                struct drm_i915_gem_request *req;
 
-               req = i915_gem_request_alloc(ring, NULL);
+               req = i915_gem_request_alloc(engine, NULL);
                if (IS_ERR(req)) {
                        ret = PTR_ERR(req);
                        i915_gem_cleanup_ringbuffer(dev);
                        goto out;
                }
 
-               if (ring->id == RCS) {
+               if (engine->id == RCS) {
                        for (j = 0; j < NUM_L3_SLICES(dev); j++)
                                i915_gem_l3_remap(req, j);
                }
@@ -5006,11 +5006,11 @@ void
 i915_gem_cleanup_ringbuffer(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        int i;
 
-       for_each_ring(ring, dev_priv, i)
-               dev_priv->gt.cleanup_ring(ring);
+       for_each_ring(engine, dev_priv, i)
+               dev_priv->gt.cleanup_ring(engine);
 
     if (i915.enable_execlists)
             /*
index 5dd84e148bbac2f5e7066990b23033785ff2bced..cc07666c2d91f6e398a6ed16326119b72ec0d8c5 100644 (file)
@@ -346,11 +346,11 @@ void i915_gem_context_reset(struct drm_device *dev)
        }
 
        for (i = 0; i < I915_NUM_RINGS; i++) {
-               struct intel_engine_cs *ring = &dev_priv->ring[i];
+               struct intel_engine_cs *engine = &dev_priv->ring[i];
 
-               if (ring->last_context) {
-                       i915_gem_context_unpin(ring->last_context, ring);
-                       ring->last_context = NULL;
+               if (engine->last_context) {
+                       i915_gem_context_unpin(engine->last_context, engine);
+                       engine->last_context = NULL;
                }
        }
 
@@ -427,11 +427,11 @@ void i915_gem_context_fini(struct drm_device *dev)
        }
 
        for (i = I915_NUM_RINGS; --i >= 0;) {
-               struct intel_engine_cs *ring = &dev_priv->ring[i];
+               struct intel_engine_cs *engine = &dev_priv->ring[i];
 
-               if (ring->last_context) {
-                       i915_gem_context_unpin(ring->last_context, ring);
-                       ring->last_context = NULL;
+               if (engine->last_context) {
+                       i915_gem_context_unpin(engine->last_context, engine);
+                       engine->last_context = NULL;
                }
        }
 
@@ -441,14 +441,14 @@ void i915_gem_context_fini(struct drm_device *dev)
 
 int i915_gem_context_enable(struct drm_i915_gem_request *req)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        int ret;
 
        if (i915.enable_execlists) {
-               if (ring->init_context == NULL)
+               if (engine->init_context == NULL)
                        return 0;
 
-               ret = ring->init_context(req);
+               ret = engine->init_context(req);
        } else
                ret = i915_switch_context(req);
 
@@ -510,12 +510,12 @@ i915_gem_context_get(struct drm_i915_file_private *file_priv, u32 id)
 static inline int
 mi_set_context(struct drm_i915_gem_request *req, u32 hw_flags)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        u32 flags = hw_flags | MI_MM_SPACE_GTT;
        const int num_rings =
                /* Use an extended w/a on ivb+ if signalling from other rings */
-               i915_semaphore_is_enabled(ring->dev) ?
-               hweight32(INTEL_INFO(ring->dev)->ring_mask) - 1 :
+               i915_semaphore_is_enabled(engine->dev) ?
+               hweight32(INTEL_INFO(engine->dev)->ring_mask) - 1 :
                0;
        int len, i, ret;
 
@@ -524,21 +524,21 @@ mi_set_context(struct drm_i915_gem_request *req, u32 hw_flags)
         * explicitly, so we rely on the value at ring init, stored in
         * itlb_before_ctx_switch.
         */
-       if (IS_GEN6(ring->dev)) {
-               ret = ring->flush(req, I915_GEM_GPU_DOMAINS, 0);
+       if (IS_GEN6(engine->dev)) {
+               ret = engine->flush(req, I915_GEM_GPU_DOMAINS, 0);
                if (ret)
                        return ret;
        }
 
        /* These flags are for resource streamer on HSW+ */
-       if (IS_HASWELL(ring->dev) || INTEL_INFO(ring->dev)->gen >= 8)
+       if (IS_HASWELL(engine->dev) || INTEL_INFO(engine->dev)->gen >= 8)
                flags |= (HSW_MI_RS_SAVE_STATE_EN | HSW_MI_RS_RESTORE_STATE_EN);
-       else if (INTEL_INFO(ring->dev)->gen < 8)
+       else if (INTEL_INFO(engine->dev)->gen < 8)
                flags |= (MI_SAVE_EXT_STATE_EN | MI_RESTORE_EXT_STATE_EN);
 
 
        len = 4;
-       if (INTEL_INFO(ring->dev)->gen >= 7)
+       if (INTEL_INFO(engine->dev)->gen >= 7)
                len += 2 + (num_rings ? 4*num_rings + 2 : 0);
 
        ret = intel_ring_begin(req, len);
@@ -546,49 +546,56 @@ mi_set_context(struct drm_i915_gem_request *req, u32 hw_flags)
                return ret;
 
        /* WaProgramMiArbOnOffAroundMiSetContext:ivb,vlv,hsw,bdw,chv */
-       if (INTEL_INFO(ring->dev)->gen >= 7) {
-               intel_ring_emit(ring, MI_ARB_ON_OFF | MI_ARB_DISABLE);
+       if (INTEL_INFO(engine->dev)->gen >= 7) {
+               intel_ring_emit(engine, MI_ARB_ON_OFF | MI_ARB_DISABLE);
                if (num_rings) {
                        struct intel_engine_cs *signaller;
 
-                       intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(num_rings));
-                       for_each_ring(signaller, to_i915(ring->dev), i) {
-                               if (signaller == ring)
+                       intel_ring_emit(engine,
+                                       MI_LOAD_REGISTER_IMM(num_rings));
+                       for_each_ring(signaller, to_i915(engine->dev), i) {
+                               if (signaller == engine)
                                        continue;
 
-                               intel_ring_emit_reg(ring, RING_PSMI_CTL(signaller->mmio_base));
-                               intel_ring_emit(ring, _MASKED_BIT_ENABLE(GEN6_PSMI_SLEEP_MSG_DISABLE));
+                               intel_ring_emit_reg(engine,
+                                                   RING_PSMI_CTL(signaller->mmio_base));
+                               intel_ring_emit(engine,
+                                               _MASKED_BIT_ENABLE(GEN6_PSMI_SLEEP_MSG_DISABLE));
                        }
                }
        }
 
-       intel_ring_emit(ring, MI_NOOP);
-       intel_ring_emit(ring, MI_SET_CONTEXT);
-       intel_ring_emit(ring, i915_gem_obj_ggtt_offset(req->ctx->legacy_hw_ctx.rcs_state) |
+       intel_ring_emit(engine, MI_NOOP);
+       intel_ring_emit(engine, MI_SET_CONTEXT);
+       intel_ring_emit(engine,
+                       i915_gem_obj_ggtt_offset(req->ctx->legacy_hw_ctx.rcs_state) |
                        flags);
        /*
         * w/a: MI_SET_CONTEXT must always be followed by MI_NOOP
         * WaMiSetContext_Hang:snb,ivb,vlv
         */
-       intel_ring_emit(ring, MI_NOOP);
+       intel_ring_emit(engine, MI_NOOP);
 
-       if (INTEL_INFO(ring->dev)->gen >= 7) {
+       if (INTEL_INFO(engine->dev)->gen >= 7) {
                if (num_rings) {
                        struct intel_engine_cs *signaller;
 
-                       intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(num_rings));
-                       for_each_ring(signaller, to_i915(ring->dev), i) {
-                               if (signaller == ring)
+                       intel_ring_emit(engine,
+                                       MI_LOAD_REGISTER_IMM(num_rings));
+                       for_each_ring(signaller, to_i915(engine->dev), i) {
+                               if (signaller == engine)
                                        continue;
 
-                               intel_ring_emit_reg(ring, RING_PSMI_CTL(signaller->mmio_base));
-                               intel_ring_emit(ring, _MASKED_BIT_DISABLE(GEN6_PSMI_SLEEP_MSG_DISABLE));
+                               intel_ring_emit_reg(engine,
+                                                   RING_PSMI_CTL(signaller->mmio_base));
+                               intel_ring_emit(engine,
+                                               _MASKED_BIT_DISABLE(GEN6_PSMI_SLEEP_MSG_DISABLE));
                        }
                }
-               intel_ring_emit(ring, MI_ARB_ON_OFF | MI_ARB_ENABLE);
+               intel_ring_emit(engine, MI_ARB_ON_OFF | MI_ARB_ENABLE);
        }
 
-       intel_ring_advance(ring);
+       intel_ring_advance(engine);
 
        return ret;
 }
@@ -648,25 +655,26 @@ needs_pd_load_post(struct intel_engine_cs *ring, struct intel_context *to,
 static int do_switch(struct drm_i915_gem_request *req)
 {
        struct intel_context *to = req->ctx;
-       struct intel_engine_cs *ring = req->ring;
-       struct drm_i915_private *dev_priv = ring->dev->dev_private;
-       struct intel_context *from = ring->last_context;
+       struct intel_engine_cs *engine = req->ring;
+       struct drm_i915_private *dev_priv = engine->dev->dev_private;
+       struct intel_context *from = engine->last_context;
        u32 hw_flags = 0;
        bool uninitialized = false;
        int ret, i;
 
-       if (from != NULL && ring == &dev_priv->ring[RCS]) {
+       if (from != NULL && engine == &dev_priv->ring[RCS]) {
                BUG_ON(from->legacy_hw_ctx.rcs_state == NULL);
                BUG_ON(!i915_gem_obj_is_pinned(from->legacy_hw_ctx.rcs_state));
        }
 
-       if (should_skip_switch(ring, from, to))
+       if (should_skip_switch(engine, from, to))
                return 0;
 
        /* Trying to pin first makes error handling easier. */
-       if (ring == &dev_priv->ring[RCS]) {
+       if (engine == &dev_priv->ring[RCS]) {
                ret = i915_gem_obj_ggtt_pin(to->legacy_hw_ctx.rcs_state,
-                                           get_context_alignment(ring->dev), 0);
+                                           get_context_alignment(engine->dev),
+                                           0);
                if (ret)
                        return ret;
        }
@@ -676,23 +684,23 @@ static int do_switch(struct drm_i915_gem_request *req)
         * evict_everything - as a last ditch gtt defrag effort that also
         * switches to the default context. Hence we need to reload from here.
         */
-       from = ring->last_context;
+       from = engine->last_context;
 
-       if (needs_pd_load_pre(ring, to)) {
+       if (needs_pd_load_pre(engine, to)) {
                /* Older GENs and non render rings still want the load first,
                 * "PP_DCLV followed by PP_DIR_BASE register through Load
                 * Register Immediate commands in Ring Buffer before submitting
                 * a context."*/
-               trace_switch_mm(ring, to);
+               trace_switch_mm(engine, to);
                ret = to->ppgtt->switch_mm(to->ppgtt, req);
                if (ret)
                        goto unpin_out;
 
                /* Doing a PD load always reloads the page dirs */
-               to->ppgtt->pd_dirty_rings &= ~intel_ring_flag(ring);
+               to->ppgtt->pd_dirty_rings &= ~intel_ring_flag(engine);
        }
 
-       if (ring != &dev_priv->ring[RCS]) {
+       if (engine != &dev_priv->ring[RCS]) {
                if (from)
                        i915_gem_context_unreference(from);
                goto done;
@@ -717,14 +725,14 @@ static int do_switch(struct drm_i915_gem_request *req)
                 * space. This means we must enforce that a page table load
                 * occur when this occurs. */
        } else if (to->ppgtt &&
-                  (intel_ring_flag(ring) & to->ppgtt->pd_dirty_rings)) {
+                  (intel_ring_flag(engine) & to->ppgtt->pd_dirty_rings)) {
                hw_flags |= MI_FORCE_RESTORE;
-               to->ppgtt->pd_dirty_rings &= ~intel_ring_flag(ring);
+               to->ppgtt->pd_dirty_rings &= ~intel_ring_flag(engine);
        }
 
        /* We should never emit switch_mm more than once */
-       WARN_ON(needs_pd_load_pre(ring, to) &&
-               needs_pd_load_post(ring, to, hw_flags));
+       WARN_ON(needs_pd_load_pre(engine, to) &&
+               needs_pd_load_post(engine, to, hw_flags));
 
        ret = mi_set_context(req, hw_flags);
        if (ret)
@@ -733,8 +741,8 @@ static int do_switch(struct drm_i915_gem_request *req)
        /* GEN8 does *not* require an explicit reload if the PDPs have been
         * setup, and we do not wish to move them.
         */
-       if (needs_pd_load_post(ring, to, hw_flags)) {
-               trace_switch_mm(ring, to);
+       if (needs_pd_load_post(engine, to, hw_flags)) {
+               trace_switch_mm(engine, to);
                ret = to->ppgtt->switch_mm(to->ppgtt, req);
                /* The hardware context switch is emitted, but we haven't
                 * actually changed the state - so it's probably safe to bail
@@ -787,11 +795,11 @@ static int do_switch(struct drm_i915_gem_request *req)
 
 done:
        i915_gem_context_reference(to);
-       ring->last_context = to;
+       engine->last_context = to;
 
        if (uninitialized) {
-               if (ring->init_context) {
-                       ret = ring->init_context(req);
+               if (engine->init_context) {
+                       ret = engine->init_context(req);
                        if (ret)
                                DRM_ERROR("ring init context: %d\n", ret);
                }
@@ -800,7 +808,7 @@ done:
        return 0;
 
 unpin_out:
-       if (ring->id == RCS)
+       if (engine->id == RCS)
                i915_gem_object_ggtt_unpin(to->legacy_hw_ctx.rcs_state);
        return ret;
 }
@@ -820,18 +828,18 @@ unpin_out:
  */
 int i915_switch_context(struct drm_i915_gem_request *req)
 {
-       struct intel_engine_cs *ring = req->ring;
-       struct drm_i915_private *dev_priv = ring->dev->dev_private;
+       struct intel_engine_cs *engine = req->ring;
+       struct drm_i915_private *dev_priv = engine->dev->dev_private;
 
        WARN_ON(i915.enable_execlists);
        WARN_ON(!mutex_is_locked(&dev_priv->dev->struct_mutex));
 
        if (req->ctx->legacy_hw_ctx.rcs_state == NULL) { /* We have the fake context */
-               if (req->ctx != ring->last_context) {
+               if (req->ctx != engine->last_context) {
                        i915_gem_context_reference(req->ctx);
-                       if (ring->last_context)
-                               i915_gem_context_unreference(ring->last_context);
-                       ring->last_context = req->ctx;
+                       if (engine->last_context)
+                               i915_gem_context_unreference(engine->last_context);
+                       engine->last_context = req->ctx;
                }
                return 0;
        }
index 17299d04189fcc91b30b703787174914681bcdbf..202a7e6ae2952deed798c8a89a1cb83f3bb55611 100644 (file)
@@ -36,29 +36,30 @@ i915_verify_lists(struct drm_device *dev)
        static int warned;
        struct drm_i915_private *dev_priv = to_i915(dev);
        struct drm_i915_gem_object *obj;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        int err = 0;
        int i;
 
        if (warned)
                return 0;
 
-       for_each_ring(ring, dev_priv, i) {
-               list_for_each_entry(obj, &ring->active_list, ring_list[ring->id]) {
+       for_each_ring(engine, dev_priv, i) {
+               list_for_each_entry(obj, &engine->active_list,
+                                   ring_list[engine->id]) {
                        if (obj->base.dev != dev ||
                            !atomic_read(&obj->base.refcount.refcount)) {
                                DRM_ERROR("%s: freed active obj %p\n",
-                                         ring->name, obj);
+                                         engine->name, obj);
                                err++;
                                break;
                        } else if (!obj->active ||
-                                  obj->last_read_req[ring->id] == NULL) {
+                                  obj->last_read_req[engine->id] == NULL) {
                                DRM_ERROR("%s: invalid active obj %p\n",
-                                         ring->name, obj);
+                                         engine->name, obj);
                                err++;
                        } else if (obj->base.write_domain) {
                                DRM_ERROR("%s: invalid write obj %p (w %x)\n",
-                                         ring->name,
+                                         engine->name,
                                          obj, obj->base.write_domain);
                                err++;
                        }
index 1328bc5021b4cf7287021c81a4252f2cf60cdc2a..b73496ea558353cb3b4092ca0014ae33ba78af5d 100644 (file)
@@ -1095,7 +1095,7 @@ void
 i915_gem_execbuffer_move_to_active(struct list_head *vmas,
                                   struct drm_i915_gem_request *req)
 {
-       struct intel_engine_cs *ring = i915_gem_request_get_ring(req);
+       struct intel_engine_cs *engine = i915_gem_request_get_ring(req);
        struct i915_vma *vma;
 
        list_for_each_entry(vma, vmas, exec_list) {
@@ -1122,7 +1122,7 @@ i915_gem_execbuffer_move_to_active(struct list_head *vmas,
                if (entry->flags & EXEC_OBJECT_NEEDS_FENCE) {
                        i915_gem_request_assign(&obj->last_fenced_req, req);
                        if (entry->flags & __EXEC_OBJECT_HAS_FENCE) {
-                               struct drm_i915_private *dev_priv = to_i915(ring->dev);
+                               struct drm_i915_private *dev_priv = to_i915(engine->dev);
                                list_move_tail(&dev_priv->fence_regs[obj->fence_reg].lru_list,
                                               &dev_priv->mm.fence_list);
                        }
@@ -1146,11 +1146,11 @@ static int
 i915_reset_gen7_sol_offsets(struct drm_device *dev,
                            struct drm_i915_gem_request *req)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        struct drm_i915_private *dev_priv = dev->dev_private;
        int ret, i;
 
-       if (!IS_GEN7(dev) || ring != &dev_priv->ring[RCS]) {
+       if (!IS_GEN7(dev) || engine != &dev_priv->ring[RCS]) {
                DRM_DEBUG("sol reset is gen7/rcs only\n");
                return -EINVAL;
        }
@@ -1160,12 +1160,12 @@ i915_reset_gen7_sol_offsets(struct drm_device *dev,
                return ret;
 
        for (i = 0; i < 4; i++) {
-               intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1));
-               intel_ring_emit_reg(ring, GEN7_SO_WRITE_OFFSET(i));
-               intel_ring_emit(ring, 0);
+               intel_ring_emit(engine, MI_LOAD_REGISTER_IMM(1));
+               intel_ring_emit_reg(engine, GEN7_SO_WRITE_OFFSET(i));
+               intel_ring_emit(engine, 0);
        }
 
-       intel_ring_advance(ring);
+       intel_ring_advance(engine);
 
        return 0;
 }
@@ -1229,7 +1229,7 @@ i915_gem_ringbuffer_submission(struct i915_execbuffer_params *params,
                               struct list_head *vmas)
 {
        struct drm_device *dev = params->dev;
-       struct intel_engine_cs *ring = params->ring;
+       struct intel_engine_cs *engine = params->ring;
        struct drm_i915_private *dev_priv = dev->dev_private;
        u64 exec_start, exec_len;
        int instp_mode;
@@ -1244,8 +1244,8 @@ i915_gem_ringbuffer_submission(struct i915_execbuffer_params *params,
        if (ret)
                return ret;
 
-       WARN(params->ctx->ppgtt && params->ctx->ppgtt->pd_dirty_rings & (1<<ring->id),
-            "%s didn't clear reload\n", ring->name);
+       WARN(params->ctx->ppgtt && params->ctx->ppgtt->pd_dirty_rings & (1<<engine->id),
+            "%s didn't clear reload\n", engine->name);
 
        instp_mode = args->flags & I915_EXEC_CONSTANTS_MASK;
        instp_mask = I915_EXEC_CONSTANTS_MASK;
@@ -1253,7 +1253,7 @@ i915_gem_ringbuffer_submission(struct i915_execbuffer_params *params,
        case I915_EXEC_CONSTANTS_REL_GENERAL:
        case I915_EXEC_CONSTANTS_ABSOLUTE:
        case I915_EXEC_CONSTANTS_REL_SURFACE:
-               if (instp_mode != 0 && ring != &dev_priv->ring[RCS]) {
+               if (instp_mode != 0 && engine != &dev_priv->ring[RCS]) {
                        DRM_DEBUG("non-0 rel constants mode on non-RCS\n");
                        return -EINVAL;
                }
@@ -1280,17 +1280,17 @@ i915_gem_ringbuffer_submission(struct i915_execbuffer_params *params,
                return -EINVAL;
        }
 
-       if (ring == &dev_priv->ring[RCS] &&
+       if (engine == &dev_priv->ring[RCS] &&
            instp_mode != dev_priv->relative_constants_mode) {
                ret = intel_ring_begin(params->request, 4);
                if (ret)
                        return ret;
 
-               intel_ring_emit(ring, MI_NOOP);
-               intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1));
-               intel_ring_emit_reg(ring, INSTPM);
-               intel_ring_emit(ring, instp_mask << 16 | instp_mode);
-               intel_ring_advance(ring);
+               intel_ring_emit(engine, MI_NOOP);
+               intel_ring_emit(engine, MI_LOAD_REGISTER_IMM(1));
+               intel_ring_emit_reg(engine, INSTPM);
+               intel_ring_emit(engine, instp_mask << 16 | instp_mode);
+               intel_ring_advance(engine);
 
                dev_priv->relative_constants_mode = instp_mode;
        }
@@ -1308,7 +1308,7 @@ i915_gem_ringbuffer_submission(struct i915_execbuffer_params *params,
        if (exec_len == 0)
                exec_len = params->batch_obj->base.size;
 
-       ret = ring->dispatch_execbuffer(params->request,
+       ret = engine->dispatch_execbuffer(params->request,
                                        exec_start, exec_len,
                                        params->dispatch_flags);
        if (ret)
@@ -1432,7 +1432,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
        struct eb_vmas *eb;
        struct drm_i915_gem_object *batch_obj;
        struct drm_i915_gem_exec_object2 shadow_exec_entry;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        struct intel_context *ctx;
        struct i915_address_space *vm;
        struct i915_execbuffer_params params_master; /* XXX: will be removed later */
@@ -1459,7 +1459,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
        if (args->flags & I915_EXEC_IS_PINNED)
                dispatch_flags |= I915_DISPATCH_PINNED;
 
-       ret = eb_select_ring(dev_priv, file, args, &ring);
+       ret = eb_select_ring(dev_priv, file, args, &engine);
        if (ret)
                return ret;
 
@@ -1473,9 +1473,9 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
                        DRM_DEBUG("RS is only allowed for Haswell, Gen8 and above\n");
                        return -EINVAL;
                }
-               if (ring->id != RCS) {
+               if (engine->id != RCS) {
                        DRM_DEBUG("RS is not available on %s\n",
-                                ring->name);
+                                engine->name);
                        return -EINVAL;
                }
 
@@ -1488,7 +1488,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
        if (ret)
                goto pre_mutex_err;
 
-       ctx = i915_gem_validate_context(dev, file, ring, ctx_id);
+       ctx = i915_gem_validate_context(dev, file, engine, ctx_id);
        if (IS_ERR(ctx)) {
                mutex_unlock(&dev->struct_mutex);
                ret = PTR_ERR(ctx);
@@ -1522,7 +1522,8 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
 
        /* Move the objects en-masse into the GTT, evicting if necessary. */
        need_relocs = (args->flags & I915_EXEC_NO_RELOC) == 0;
-       ret = i915_gem_execbuffer_reserve(ring, &eb->vmas, ctx, &need_relocs);
+       ret = i915_gem_execbuffer_reserve(engine, &eb->vmas, ctx,
+                                         &need_relocs);
        if (ret)
                goto err;
 
@@ -1531,7 +1532,8 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
                ret = i915_gem_execbuffer_relocate(eb);
        if (ret) {
                if (ret == -EFAULT) {
-                       ret = i915_gem_execbuffer_relocate_slow(dev, args, file, ring,
+                       ret = i915_gem_execbuffer_relocate_slow(dev, args, file,
+                                                               engine,
                                                                eb, exec, ctx);
                        BUG_ON(!mutex_is_locked(&dev->struct_mutex));
                }
@@ -1547,16 +1549,16 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
        }
 
        params->args_batch_start_offset = args->batch_start_offset;
-       if (i915_needs_cmd_parser(ring) && args->batch_len) {
+       if (i915_needs_cmd_parser(engine) && args->batch_len) {
                struct drm_i915_gem_object *parsed_batch_obj;
 
-               parsed_batch_obj = i915_gem_execbuffer_parse(ring,
-                                                     &shadow_exec_entry,
-                                                     eb,
-                                                     batch_obj,
-                                                     args->batch_start_offset,
-                                                     args->batch_len,
-                                                     file->is_master);
+               parsed_batch_obj = i915_gem_execbuffer_parse(engine,
+                                                            &shadow_exec_entry,
+                                                            eb,
+                                                            batch_obj,
+                                                            args->batch_start_offset,
+                                                            args->batch_len,
+                                                            file->is_master);
                if (IS_ERR(parsed_batch_obj)) {
                        ret = PTR_ERR(parsed_batch_obj);
                        goto err;
@@ -1608,7 +1610,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
                params->batch_obj_vm_offset = i915_gem_obj_offset(batch_obj, vm);
 
        /* Allocate a request for this batch buffer nice and early. */
-       req = i915_gem_request_alloc(ring, ctx);
+       req = i915_gem_request_alloc(engine, ctx);
        if (IS_ERR(req)) {
                ret = PTR_ERR(req);
                goto err_batch_unpin;
@@ -1626,7 +1628,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
         */
        params->dev                     = dev;
        params->file                    = file;
-       params->ring                    = ring;
+       params->ring                    = engine;
        params->dispatch_flags          = dispatch_flags;
        params->batch_obj               = batch_obj;
        params->ctx                     = ctx;
index 7b8de85c5f76ad9279e81a8663f3356e1cf87b26..1bc77791bc96db876d1a5590a96bf4399006a5cd 100644 (file)
@@ -658,7 +658,7 @@ static int gen8_write_pdp(struct drm_i915_gem_request *req,
                          unsigned entry,
                          dma_addr_t addr)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        int ret;
 
        BUG_ON(entry >= 4);
@@ -667,13 +667,13 @@ static int gen8_write_pdp(struct drm_i915_gem_request *req,
        if (ret)
                return ret;
 
-       intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1));
-       intel_ring_emit_reg(ring, GEN8_RING_PDP_UDW(ring, entry));
-       intel_ring_emit(ring, upper_32_bits(addr));
-       intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1));
-       intel_ring_emit_reg(ring, GEN8_RING_PDP_LDW(ring, entry));
-       intel_ring_emit(ring, lower_32_bits(addr));
-       intel_ring_advance(ring);
+       intel_ring_emit(engine, MI_LOAD_REGISTER_IMM(1));
+       intel_ring_emit_reg(engine, GEN8_RING_PDP_UDW(engine, entry));
+       intel_ring_emit(engine, upper_32_bits(addr));
+       intel_ring_emit(engine, MI_LOAD_REGISTER_IMM(1));
+       intel_ring_emit_reg(engine, GEN8_RING_PDP_LDW(engine, entry));
+       intel_ring_emit(engine, lower_32_bits(addr));
+       intel_ring_advance(engine);
 
        return 0;
 }
@@ -1650,11 +1650,11 @@ static uint32_t get_pd_offset(struct i915_hw_ppgtt *ppgtt)
 static int hsw_mm_switch(struct i915_hw_ppgtt *ppgtt,
                         struct drm_i915_gem_request *req)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        int ret;
 
        /* NB: TLBs must be flushed and invalidated before a switch */
-       ret = ring->flush(req, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
+       ret = engine->flush(req, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
        if (ret)
                return ret;
 
@@ -1662,13 +1662,13 @@ static int hsw_mm_switch(struct i915_hw_ppgtt *ppgtt,
        if (ret)
                return ret;
 
-       intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(2));
-       intel_ring_emit_reg(ring, RING_PP_DIR_DCLV(ring));
-       intel_ring_emit(ring, PP_DIR_DCLV_2G);
-       intel_ring_emit_reg(ring, RING_PP_DIR_BASE(ring));
-       intel_ring_emit(ring, get_pd_offset(ppgtt));
-       intel_ring_emit(ring, MI_NOOP);
-       intel_ring_advance(ring);
+       intel_ring_emit(engine, MI_LOAD_REGISTER_IMM(2));
+       intel_ring_emit_reg(engine, RING_PP_DIR_DCLV(engine));
+       intel_ring_emit(engine, PP_DIR_DCLV_2G);
+       intel_ring_emit_reg(engine, RING_PP_DIR_BASE(engine));
+       intel_ring_emit(engine, get_pd_offset(ppgtt));
+       intel_ring_emit(engine, MI_NOOP);
+       intel_ring_advance(engine);
 
        return 0;
 }
@@ -1676,22 +1676,22 @@ static int hsw_mm_switch(struct i915_hw_ppgtt *ppgtt,
 static int vgpu_mm_switch(struct i915_hw_ppgtt *ppgtt,
                          struct drm_i915_gem_request *req)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        struct drm_i915_private *dev_priv = to_i915(ppgtt->base.dev);
 
-       I915_WRITE(RING_PP_DIR_DCLV(ring), PP_DIR_DCLV_2G);
-       I915_WRITE(RING_PP_DIR_BASE(ring), get_pd_offset(ppgtt));
+       I915_WRITE(RING_PP_DIR_DCLV(engine), PP_DIR_DCLV_2G);
+       I915_WRITE(RING_PP_DIR_BASE(engine), get_pd_offset(ppgtt));
        return 0;
 }
 
 static int gen7_mm_switch(struct i915_hw_ppgtt *ppgtt,
                          struct drm_i915_gem_request *req)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        int ret;
 
        /* NB: TLBs must be flushed and invalidated before a switch */
-       ret = ring->flush(req, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
+       ret = engine->flush(req, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
        if (ret)
                return ret;
 
@@ -1699,17 +1699,17 @@ static int gen7_mm_switch(struct i915_hw_ppgtt *ppgtt,
        if (ret)
                return ret;
 
-       intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(2));
-       intel_ring_emit_reg(ring, RING_PP_DIR_DCLV(ring));
-       intel_ring_emit(ring, PP_DIR_DCLV_2G);
-       intel_ring_emit_reg(ring, RING_PP_DIR_BASE(ring));
-       intel_ring_emit(ring, get_pd_offset(ppgtt));
-       intel_ring_emit(ring, MI_NOOP);
-       intel_ring_advance(ring);
+       intel_ring_emit(engine, MI_LOAD_REGISTER_IMM(2));
+       intel_ring_emit_reg(engine, RING_PP_DIR_DCLV(engine));
+       intel_ring_emit(engine, PP_DIR_DCLV_2G);
+       intel_ring_emit_reg(engine, RING_PP_DIR_BASE(engine));
+       intel_ring_emit(engine, get_pd_offset(ppgtt));
+       intel_ring_emit(engine, MI_NOOP);
+       intel_ring_advance(engine);
 
        /* XXX: RCS is the only one to auto invalidate the TLBs? */
-       if (ring->id != RCS) {
-               ret = ring->flush(req, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
+       if (engine->id != RCS) {
+               ret = engine->flush(req, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
                if (ret)
                        return ret;
        }
@@ -1720,15 +1720,15 @@ static int gen7_mm_switch(struct i915_hw_ppgtt *ppgtt,
 static int gen6_mm_switch(struct i915_hw_ppgtt *ppgtt,
                          struct drm_i915_gem_request *req)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        struct drm_device *dev = ppgtt->base.dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
 
 
-       I915_WRITE(RING_PP_DIR_DCLV(ring), PP_DIR_DCLV_2G);
-       I915_WRITE(RING_PP_DIR_BASE(ring), get_pd_offset(ppgtt));
+       I915_WRITE(RING_PP_DIR_DCLV(engine), PP_DIR_DCLV_2G);
+       I915_WRITE(RING_PP_DIR_BASE(engine), get_pd_offset(ppgtt));
 
-       POSTING_READ(RING_PP_DIR_DCLV(ring));
+       POSTING_READ(RING_PP_DIR_DCLV(engine));
 
        return 0;
 }
@@ -1736,12 +1736,12 @@ static int gen6_mm_switch(struct i915_hw_ppgtt *ppgtt,
 static void gen8_ppgtt_enable(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        int j;
 
-       for_each_ring(ring, dev_priv, j) {
+       for_each_ring(engine, dev_priv, j) {
                u32 four_level = USES_FULL_48BIT_PPGTT(dev) ? GEN8_GFX_PPGTT_48B : 0;
-               I915_WRITE(RING_MODE_GEN7(ring),
+               I915_WRITE(RING_MODE_GEN7(engine),
                           _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE | four_level));
        }
 }
@@ -1749,7 +1749,7 @@ static void gen8_ppgtt_enable(struct drm_device *dev)
 static void gen7_ppgtt_enable(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        uint32_t ecochk, ecobits;
        int i;
 
@@ -1765,9 +1765,9 @@ static void gen7_ppgtt_enable(struct drm_device *dev)
        }
        I915_WRITE(GAM_ECOCHK, ecochk);
 
-       for_each_ring(ring, dev_priv, i) {
+       for_each_ring(engine, dev_priv, i) {
                /* GFX_MODE is per-ring on gen7+ */
-               I915_WRITE(RING_MODE_GEN7(ring),
+               I915_WRITE(RING_MODE_GEN7(engine),
                           _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE));
        }
 }
@@ -2286,15 +2286,15 @@ static void undo_idling(struct drm_i915_private *dev_priv, bool interruptible)
 void i915_check_and_clear_faults(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        int i;
 
        if (INTEL_INFO(dev)->gen < 6)
                return;
 
-       for_each_ring(ring, dev_priv, i) {
+       for_each_ring(engine, dev_priv, i) {
                u32 fault_reg;
-               fault_reg = I915_READ(RING_FAULT_REG(ring));
+               fault_reg = I915_READ(RING_FAULT_REG(engine));
                if (fault_reg & RING_FAULT_VALID) {
                        DRM_DEBUG_DRIVER("Unexpected fault\n"
                                         "\tAddr: 0x%08lx\n"
@@ -2305,7 +2305,7 @@ void i915_check_and_clear_faults(struct drm_device *dev)
                                         fault_reg & RING_FAULT_GTTSEL_MASK ? "GGTT" : "PPGTT",
                                         RING_FAULT_SRCID(fault_reg),
                                         RING_FAULT_FAULT_TYPE(fault_reg));
-                       I915_WRITE(RING_FAULT_REG(ring),
+                       I915_WRITE(RING_FAULT_REG(engine),
                                   fault_reg & ~RING_FAULT_VALID);
                }
        }
index 13b5f3aed01c80b929c0e2dc52bf653c2671d894..d97cadcfccb16a934d971122453aeed9a2e69e4f 100644 (file)
@@ -495,9 +495,9 @@ int i915_error_state_to_str(struct drm_i915_error_state_buf *m,
                if (obj) {
                        u64 wa_ctx_offset = obj->gtt_offset;
                        u32 *wa_ctx_page = &obj->pages[0][0];
-                       struct intel_engine_cs *ring = &dev_priv->ring[RCS];
-                       u32 wa_ctx_size = (ring->wa_ctx.indirect_ctx.size +
-                                          ring->wa_ctx.per_ctx.size);
+                       struct intel_engine_cs *engine = &dev_priv->ring[RCS];
+                       u32 wa_ctx_size = (engine->wa_ctx.indirect_ctx.size +
+                                          engine->wa_ctx.per_ctx.size);
 
                        err_printf(m, "%s --- WA ctx batch buffer = 0x%08llx\n",
                                   dev_priv->ring[i].name, wa_ctx_offset);
@@ -1019,19 +1019,19 @@ static void i915_gem_record_rings(struct drm_device *dev,
        int i, count;
 
        for (i = 0; i < I915_NUM_RINGS; i++) {
-               struct intel_engine_cs *ring = &dev_priv->ring[i];
+               struct intel_engine_cs *engine = &dev_priv->ring[i];
                struct intel_ringbuffer *rbuf;
 
                error->ring[i].pid = -1;
 
-               if (ring->dev == NULL)
+               if (engine->dev == NULL)
                        continue;
 
                error->ring[i].valid = true;
 
-               i915_record_ring_state(dev, error, ring, &error->ring[i]);
+               i915_record_ring_state(dev, error, engine, &error->ring[i]);
 
-               request = i915_gem_find_active_request(ring);
+               request = i915_gem_find_active_request(engine);
                if (request) {
                        struct i915_address_space *vm;
 
@@ -1051,7 +1051,7 @@ static void i915_gem_record_rings(struct drm_device *dev,
                        if (HAS_BROKEN_CS_TLB(dev_priv->dev))
                                error->ring[i].wa_batchbuffer =
                                        i915_error_ggtt_object_create(dev_priv,
-                                                            ring->scratch.obj);
+                                                            engine->scratch.obj);
 
                        if (request->pid) {
                                struct task_struct *task;
@@ -1073,11 +1073,11 @@ static void i915_gem_record_rings(struct drm_device *dev,
                         * executed).
                         */
                        if (request)
-                               rbuf = request->ctx->engine[ring->id].ringbuf;
+                               rbuf = request->ctx->engine[engine->id].ringbuf;
                        else
-                               rbuf = dev_priv->kernel_context->engine[ring->id].ringbuf;
+                               rbuf = dev_priv->kernel_context->engine[engine->id].ringbuf;
                } else
-                       rbuf = ring->buffer;
+                       rbuf = engine->buffer;
 
                error->ring[i].cpu_ring_head = rbuf->head;
                error->ring[i].cpu_ring_tail = rbuf->tail;
@@ -1086,18 +1086,19 @@ static void i915_gem_record_rings(struct drm_device *dev,
                        i915_error_ggtt_object_create(dev_priv, rbuf->obj);
 
                error->ring[i].hws_page =
-                       i915_error_ggtt_object_create(dev_priv, ring->status_page.obj);
+                       i915_error_ggtt_object_create(dev_priv,
+                                                     engine->status_page.obj);
 
-               if (ring->wa_ctx.obj) {
+               if (engine->wa_ctx.obj) {
                        error->ring[i].wa_ctx =
                                i915_error_ggtt_object_create(dev_priv,
-                                                             ring->wa_ctx.obj);
+                                                             engine->wa_ctx.obj);
                }
 
-               i915_gem_record_active_context(ring, error, &error->ring[i]);
+               i915_gem_record_active_context(engine, error, &error->ring[i]);
 
                count = 0;
-               list_for_each_entry(request, &ring->request_list, list)
+               list_for_each_entry(request, &engine->request_list, list)
                        count++;
 
                error->ring[i].num_requests = count;
@@ -1110,7 +1111,7 @@ static void i915_gem_record_rings(struct drm_device *dev,
                }
 
                count = 0;
-               list_for_each_entry(request, &ring->request_list, list) {
+               list_for_each_entry(request, &engine->request_list, list) {
                        struct drm_i915_error_request *erq;
 
                        if (count >= error->ring[i].num_requests) {
index d7543efc8a5e7a4a6f065f38504366826853d724..15a4beb387d4d9348cdc7f6554d4f4d0d909fcfa 100644 (file)
@@ -377,7 +377,7 @@ static void guc_init_ctx_desc(struct intel_guc *guc,
                              struct i915_guc_client *client)
 {
        struct drm_i915_private *dev_priv = guc_to_i915(guc);
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        struct intel_context *ctx = client->owner;
        struct guc_context_desc desc;
        struct sg_table *sg;
@@ -390,8 +390,8 @@ static void guc_init_ctx_desc(struct intel_guc *guc,
        desc.priority = client->priority;
        desc.db_id = client->doorbell_id;
 
-       for_each_ring(ring, dev_priv, i) {
-               struct guc_execlist_context *lrc = &desc.lrc[ring->guc_id];
+       for_each_ring(engine, dev_priv, i) {
+               struct guc_execlist_context *lrc = &desc.lrc[engine->guc_id];
                struct drm_i915_gem_object *obj;
                uint64_t ctx_desc;
 
@@ -406,14 +406,14 @@ static void guc_init_ctx_desc(struct intel_guc *guc,
                if (!obj)
                        break;  /* XXX: continue? */
 
-               ctx_desc = intel_lr_context_descriptor(ctx, ring);
+               ctx_desc = intel_lr_context_descriptor(ctx, engine);
                lrc->context_desc = (u32)ctx_desc;
 
                /* The state page is after PPHWSP */
                lrc->ring_lcra = i915_gem_obj_ggtt_offset(obj) +
                                LRC_STATE_PN * PAGE_SIZE;
                lrc->context_id = (client->ctx_index << GUC_ELC_CTXID_OFFSET) |
-                               (ring->guc_id << GUC_ELC_ENGINE_OFFSET);
+                               (engine->guc_id << GUC_ELC_ENGINE_OFFSET);
 
                obj = ctx->engine[i].ringbuf->obj;
 
@@ -422,7 +422,7 @@ static void guc_init_ctx_desc(struct intel_guc *guc,
                lrc->ring_next_free_location = lrc->ring_begin;
                lrc->ring_current_tail_pointer_value = 0;
 
-               desc.engines_used |= (1 << ring->guc_id);
+               desc.engines_used |= (1 << engine->guc_id);
        }
 
        WARN_ON(desc.engines_used == 0);
@@ -839,7 +839,7 @@ static void guc_create_ads(struct intel_guc *guc)
        struct guc_ads *ads;
        struct guc_policies *policies;
        struct guc_mmio_reg_state *reg_state;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        struct page *page;
        u32 size, i;
 
@@ -867,11 +867,11 @@ static void guc_create_ads(struct intel_guc *guc)
         * so its address won't change after we've told the GuC where
         * to find it.
         */
-       ring = &dev_priv->ring[RCS];
-       ads->golden_context_lrca = ring->status_page.gfx_addr;
+       engine = &dev_priv->ring[RCS];
+       ads->golden_context_lrca = engine->status_page.gfx_addr;
 
-       for_each_ring(ring, dev_priv, i)
-               ads->eng_state_size[ring->guc_id] = intel_lr_context_size(ring);
+       for_each_ring(engine, dev_priv, i)
+               ads->eng_state_size[engine->guc_id] = intel_lr_context_size(engine);
 
        /* GuC scheduling policies */
        policies = (void *)ads + sizeof(struct guc_ads);
@@ -883,12 +883,12 @@ static void guc_create_ads(struct intel_guc *guc)
        /* MMIO reg state */
        reg_state = (void *)policies + sizeof(struct guc_policies);
 
-       for_each_ring(ring, dev_priv, i) {
-               reg_state->mmio_white_list[ring->guc_id].mmio_start =
-                       ring->mmio_base + GUC_MMIO_WHITE_LIST_START;
+       for_each_ring(engine, dev_priv, i) {
+               reg_state->mmio_white_list[engine->guc_id].mmio_start =
+                       engine->mmio_base + GUC_MMIO_WHITE_LIST_START;
 
                /* Nothing to be saved or restored for now. */
-               reg_state->mmio_white_list[ring->guc_id].count = 0;
+               reg_state->mmio_white_list[engine->guc_id].count = 0;
        }
 
        ads->reg_state_addr = ads->scheduler_policies +
index 53e5104964b3ae98a66f6db5af47d1fd614c8504..f172de0a61bfb8abc3738484967d60c6cd55b482 100644 (file)
@@ -1079,11 +1079,11 @@ static u32 vlv_wa_c0_ei(struct drm_i915_private *dev_priv, u32 pm_iir)
 
 static bool any_waiters(struct drm_i915_private *dev_priv)
 {
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        int i;
 
-       for_each_ring(ring, dev_priv, i)
-               if (ring->irq_refcount)
+       for_each_ring(engine, dev_priv, i)
+               if (engine->irq_refcount)
                        return true;
 
        return false;
@@ -2449,7 +2449,7 @@ static irqreturn_t gen8_irq_handler(int irq, void *arg)
 static void i915_error_wake_up(struct drm_i915_private *dev_priv,
                               bool reset_completed)
 {
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        int i;
 
        /*
@@ -2460,8 +2460,8 @@ static void i915_error_wake_up(struct drm_i915_private *dev_priv,
         */
 
        /* Wake up __wait_seqno, potentially holding dev->struct_mutex. */
-       for_each_ring(ring, dev_priv, i)
-               wake_up_all(&ring->irq_queue);
+       for_each_ring(engine, dev_priv, i)
+               wake_up_all(&engine->irq_queue);
 
        /* Wake up intel_crtc_wait_for_pending_flips, holding crtc->mutex. */
        wake_up_all(&dev_priv->pending_flip_queue);
@@ -2956,11 +2956,11 @@ static int semaphore_passed(struct intel_engine_cs *ring)
 
 static void semaphore_clear_deadlocks(struct drm_i915_private *dev_priv)
 {
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        int i;
 
-       for_each_ring(ring, dev_priv, i)
-               ring->hangcheck.deadlock = 0;
+       for_each_ring(engine, dev_priv, i)
+               engine->hangcheck.deadlock = 0;
 }
 
 static bool subunits_stuck(struct intel_engine_cs *ring)
@@ -3071,7 +3071,7 @@ static void i915_hangcheck_elapsed(struct work_struct *work)
                container_of(work, typeof(*dev_priv),
                             gpu_error.hangcheck_work.work);
        struct drm_device *dev = dev_priv->dev;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        int i;
        int busy_count = 0, rings_hung = 0;
        bool stuck[I915_NUM_RINGS] = { 0 };
@@ -3096,33 +3096,33 @@ static void i915_hangcheck_elapsed(struct work_struct *work)
         */
        intel_uncore_arm_unclaimed_mmio_detection(dev_priv);
 
-       for_each_ring(ring, dev_priv, i) {
+       for_each_ring(engine, dev_priv, i) {
                u64 acthd;
                u32 seqno;
                bool busy = true;
 
                semaphore_clear_deadlocks(dev_priv);
 
-               seqno = ring->get_seqno(ring, false);
-               acthd = intel_ring_get_active_head(ring);
+               seqno = engine->get_seqno(engine, false);
+               acthd = intel_ring_get_active_head(engine);
 
-               if (ring->hangcheck.seqno == seqno) {
-                       if (ring_idle(ring, seqno)) {
-                               ring->hangcheck.action = HANGCHECK_IDLE;
+               if (engine->hangcheck.seqno == seqno) {
+                       if (ring_idle(engine, seqno)) {
+                               engine->hangcheck.action = HANGCHECK_IDLE;
 
-                               if (waitqueue_active(&ring->irq_queue)) {
+                               if (waitqueue_active(&engine->irq_queue)) {
                                        /* Issue a wake-up to catch stuck h/w. */
-                                       if (!test_and_set_bit(ring->id, &dev_priv->gpu_error.missed_irq_rings)) {
-                                               if (!(dev_priv->gpu_error.test_irq_rings & intel_ring_flag(ring)))
+                                       if (!test_and_set_bit(engine->id, &dev_priv->gpu_error.missed_irq_rings)) {
+                                               if (!(dev_priv->gpu_error.test_irq_rings & intel_ring_flag(engine)))
                                                        DRM_ERROR("Hangcheck timer elapsed... %s idle\n",
-                                                                 ring->name);
+                                                                 engine->name);
                                                else
                                                        DRM_INFO("Fake missed irq on %s\n",
-                                                                ring->name);
-                                               wake_up_all(&ring->irq_queue);
+                                                                engine->name);
+                                               wake_up_all(&engine->irq_queue);
                                        }
                                        /* Safeguard against driver failure */
-                                       ring->hangcheck.score += BUSY;
+                                       engine->hangcheck.score += BUSY;
                                } else
                                        busy = false;
                        } else {
@@ -3141,53 +3141,53 @@ static void i915_hangcheck_elapsed(struct work_struct *work)
                                 * being repeatedly kicked and so responsible
                                 * for stalling the machine.
                                 */
-                               ring->hangcheck.action = ring_stuck(ring,
-                                                                   acthd);
+                               engine->hangcheck.action = ring_stuck(engine,
+                                                                     acthd);
 
-                               switch (ring->hangcheck.action) {
+                               switch (engine->hangcheck.action) {
                                case HANGCHECK_IDLE:
                                case HANGCHECK_WAIT:
                                        break;
                                case HANGCHECK_ACTIVE:
-                                       ring->hangcheck.score += BUSY;
+                                       engine->hangcheck.score += BUSY;
                                        break;
                                case HANGCHECK_KICK:
-                                       ring->hangcheck.score += KICK;
+                                       engine->hangcheck.score += KICK;
                                        break;
                                case HANGCHECK_HUNG:
-                                       ring->hangcheck.score += HUNG;
+                                       engine->hangcheck.score += HUNG;
                                        stuck[i] = true;
                                        break;
                                }
                        }
                } else {
-                       ring->hangcheck.action = HANGCHECK_ACTIVE;
+                       engine->hangcheck.action = HANGCHECK_ACTIVE;
 
                        /* Gradually reduce the count so that we catch DoS
                         * attempts across multiple batches.
                         */
-                       if (ring->hangcheck.score > 0)
-                               ring->hangcheck.score -= ACTIVE_DECAY;
-                       if (ring->hangcheck.score < 0)
-                               ring->hangcheck.score = 0;
+                       if (engine->hangcheck.score > 0)
+                               engine->hangcheck.score -= ACTIVE_DECAY;
+                       if (engine->hangcheck.score < 0)
+                               engine->hangcheck.score = 0;
 
                        /* Clear head and subunit states on seqno movement */
-                       ring->hangcheck.acthd = 0;
+                       engine->hangcheck.acthd = 0;
 
-                       memset(ring->hangcheck.instdone, 0,
-                              sizeof(ring->hangcheck.instdone));
+                       memset(engine->hangcheck.instdone, 0,
+                              sizeof(engine->hangcheck.instdone));
                }
 
-               ring->hangcheck.seqno = seqno;
-               ring->hangcheck.acthd = acthd;
+               engine->hangcheck.seqno = seqno;
+               engine->hangcheck.acthd = acthd;
                busy_count += busy;
        }
 
-       for_each_ring(ring, dev_priv, i) {
-               if (ring->hangcheck.score >= HANGCHECK_SCORE_RING_HUNG) {
+       for_each_ring(engine, dev_priv, i) {
+               if (engine->hangcheck.score >= HANGCHECK_SCORE_RING_HUNG) {
                        DRM_INFO("%s on %s\n",
                                 stuck[i] ? "stuck" : "no progress",
-                                ring->name);
+                                engine->name);
                        rings_hung++;
                }
        }
index 4c04dab36305e0855c27998e889f1b70f940dcd3..e95f2b7ed96242a5d201425ac38a7e5e3103df27 100644 (file)
@@ -10984,7 +10984,7 @@ static int intel_gen2_queue_flip(struct drm_device *dev,
                                 struct drm_i915_gem_request *req,
                                 uint32_t flags)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        u32 flip_mask;
        int ret;
@@ -11000,13 +11000,13 @@ static int intel_gen2_queue_flip(struct drm_device *dev,
                flip_mask = MI_WAIT_FOR_PLANE_B_FLIP;
        else
                flip_mask = MI_WAIT_FOR_PLANE_A_FLIP;
-       intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask);
-       intel_ring_emit(ring, MI_NOOP);
-       intel_ring_emit(ring, MI_DISPLAY_FLIP |
+       intel_ring_emit(engine, MI_WAIT_FOR_EVENT | flip_mask);
+       intel_ring_emit(engine, MI_NOOP);
+       intel_ring_emit(engine, MI_DISPLAY_FLIP |
                        MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
-       intel_ring_emit(ring, fb->pitches[0]);
-       intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset);
-       intel_ring_emit(ring, 0); /* aux display base address, unused */
+       intel_ring_emit(engine, fb->pitches[0]);
+       intel_ring_emit(engine, intel_crtc->unpin_work->gtt_offset);
+       intel_ring_emit(engine, 0); /* aux display base address, unused */
 
        intel_mark_page_flip_active(intel_crtc->unpin_work);
        return 0;
@@ -11019,7 +11019,7 @@ static int intel_gen3_queue_flip(struct drm_device *dev,
                                 struct drm_i915_gem_request *req,
                                 uint32_t flags)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        u32 flip_mask;
        int ret;
@@ -11032,13 +11032,13 @@ static int intel_gen3_queue_flip(struct drm_device *dev,
                flip_mask = MI_WAIT_FOR_PLANE_B_FLIP;
        else
                flip_mask = MI_WAIT_FOR_PLANE_A_FLIP;
-       intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask);
-       intel_ring_emit(ring, MI_NOOP);
-       intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 |
+       intel_ring_emit(engine, MI_WAIT_FOR_EVENT | flip_mask);
+       intel_ring_emit(engine, MI_NOOP);
+       intel_ring_emit(engine, MI_DISPLAY_FLIP_I915 |
                        MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
-       intel_ring_emit(ring, fb->pitches[0]);
-       intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset);
-       intel_ring_emit(ring, MI_NOOP);
+       intel_ring_emit(engine, fb->pitches[0]);
+       intel_ring_emit(engine, intel_crtc->unpin_work->gtt_offset);
+       intel_ring_emit(engine, MI_NOOP);
 
        intel_mark_page_flip_active(intel_crtc->unpin_work);
        return 0;
@@ -11051,7 +11051,7 @@ static int intel_gen4_queue_flip(struct drm_device *dev,
                                 struct drm_i915_gem_request *req,
                                 uint32_t flags)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        uint32_t pf, pipesrc;
@@ -11065,10 +11065,10 @@ static int intel_gen4_queue_flip(struct drm_device *dev,
         * Display Registers (which do not change across a page-flip)
         * so we need only reprogram the base address.
         */
-       intel_ring_emit(ring, MI_DISPLAY_FLIP |
+       intel_ring_emit(engine, MI_DISPLAY_FLIP |
                        MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
-       intel_ring_emit(ring, fb->pitches[0]);
-       intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset |
+       intel_ring_emit(engine, fb->pitches[0]);
+       intel_ring_emit(engine, intel_crtc->unpin_work->gtt_offset |
                        obj->tiling_mode);
 
        /* XXX Enabling the panel-fitter across page-flip is so far
@@ -11077,7 +11077,7 @@ static int intel_gen4_queue_flip(struct drm_device *dev,
         */
        pf = 0;
        pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff;
-       intel_ring_emit(ring, pf | pipesrc);
+       intel_ring_emit(engine, pf | pipesrc);
 
        intel_mark_page_flip_active(intel_crtc->unpin_work);
        return 0;
@@ -11090,7 +11090,7 @@ static int intel_gen6_queue_flip(struct drm_device *dev,
                                 struct drm_i915_gem_request *req,
                                 uint32_t flags)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        uint32_t pf, pipesrc;
@@ -11100,10 +11100,10 @@ static int intel_gen6_queue_flip(struct drm_device *dev,
        if (ret)
                return ret;
 
-       intel_ring_emit(ring, MI_DISPLAY_FLIP |
+       intel_ring_emit(engine, MI_DISPLAY_FLIP |
                        MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
-       intel_ring_emit(ring, fb->pitches[0] | obj->tiling_mode);
-       intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset);
+       intel_ring_emit(engine, fb->pitches[0] | obj->tiling_mode);
+       intel_ring_emit(engine, intel_crtc->unpin_work->gtt_offset);
 
        /* Contrary to the suggestions in the documentation,
         * "Enable Panel Fitter" does not seem to be required when page
@@ -11113,7 +11113,7 @@ static int intel_gen6_queue_flip(struct drm_device *dev,
         */
        pf = 0;
        pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff;
-       intel_ring_emit(ring, pf | pipesrc);
+       intel_ring_emit(engine, pf | pipesrc);
 
        intel_mark_page_flip_active(intel_crtc->unpin_work);
        return 0;
@@ -11126,7 +11126,7 @@ static int intel_gen7_queue_flip(struct drm_device *dev,
                                 struct drm_i915_gem_request *req,
                                 uint32_t flags)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        uint32_t plane_bit = 0;
        int len, ret;
@@ -11147,7 +11147,7 @@ static int intel_gen7_queue_flip(struct drm_device *dev,
        }
 
        len = 4;
-       if (ring->id == RCS) {
+       if (engine->id == RCS) {
                len += 6;
                /*
                 * On Gen 8, SRM is now taking an extra dword to accommodate
@@ -11185,30 +11185,30 @@ static int intel_gen7_queue_flip(struct drm_device *dev,
         * for the RCS also doesn't appear to drop events. Setting the DERRMR
         * to zero does lead to lockups within MI_DISPLAY_FLIP.
         */
-       if (ring->id == RCS) {
-               intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1));
-               intel_ring_emit_reg(ring, DERRMR);
-               intel_ring_emit(ring, ~(DERRMR_PIPEA_PRI_FLIP_DONE |
-                                       DERRMR_PIPEB_PRI_FLIP_DONE |
-                                       DERRMR_PIPEC_PRI_FLIP_DONE));
+       if (engine->id == RCS) {
+               intel_ring_emit(engine, MI_LOAD_REGISTER_IMM(1));
+               intel_ring_emit_reg(engine, DERRMR);
+               intel_ring_emit(engine, ~(DERRMR_PIPEA_PRI_FLIP_DONE |
+                                         DERRMR_PIPEB_PRI_FLIP_DONE |
+                                         DERRMR_PIPEC_PRI_FLIP_DONE));
                if (IS_GEN8(dev))
-                       intel_ring_emit(ring, MI_STORE_REGISTER_MEM_GEN8 |
+                       intel_ring_emit(engine, MI_STORE_REGISTER_MEM_GEN8 |
                                              MI_SRM_LRM_GLOBAL_GTT);
                else
-                       intel_ring_emit(ring, MI_STORE_REGISTER_MEM |
+                       intel_ring_emit(engine, MI_STORE_REGISTER_MEM |
                                              MI_SRM_LRM_GLOBAL_GTT);
-               intel_ring_emit_reg(ring, DERRMR);
-               intel_ring_emit(ring, ring->scratch.gtt_offset + 256);
+               intel_ring_emit_reg(engine, DERRMR);
+               intel_ring_emit(engine, engine->scratch.gtt_offset + 256);
                if (IS_GEN8(dev)) {
-                       intel_ring_emit(ring, 0);
-                       intel_ring_emit(ring, MI_NOOP);
+                       intel_ring_emit(engine, 0);
+                       intel_ring_emit(engine, MI_NOOP);
                }
        }
 
-       intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | plane_bit);
-       intel_ring_emit(ring, (fb->pitches[0] | obj->tiling_mode));
-       intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset);
-       intel_ring_emit(ring, (MI_NOOP));
+       intel_ring_emit(engine, MI_DISPLAY_FLIP_I915 | plane_bit);
+       intel_ring_emit(engine, (fb->pitches[0] | obj->tiling_mode));
+       intel_ring_emit(engine, intel_crtc->unpin_work->gtt_offset);
+       intel_ring_emit(engine, (MI_NOOP));
 
        intel_mark_page_flip_active(intel_crtc->unpin_work);
        return 0;
@@ -11488,7 +11488,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
        struct drm_plane *primary = crtc->primary;
        enum pipe pipe = intel_crtc->pipe;
        struct intel_unpin_work *work;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        bool mmio_flip;
        struct drm_i915_gem_request *request = NULL;
        int ret;
@@ -11575,21 +11575,21 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
                work->flip_count = I915_READ(PIPE_FLIPCOUNT_G4X(pipe)) + 1;
 
        if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) {
-               ring = &dev_priv->ring[BCS];
+               engine = &dev_priv->ring[BCS];
                if (obj->tiling_mode != intel_fb_obj(work->old_fb)->tiling_mode)
                        /* vlv: DISPLAY_FLIP fails to change tiling */
-                       ring = NULL;
+                       engine = NULL;
        } else if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) {
-               ring = &dev_priv->ring[BCS];
+               engine = &dev_priv->ring[BCS];
        } else if (INTEL_INFO(dev)->gen >= 7) {
-               ring = i915_gem_request_get_ring(obj->last_write_req);
-               if (ring == NULL || ring->id != RCS)
-                       ring = &dev_priv->ring[BCS];
+               engine = i915_gem_request_get_ring(obj->last_write_req);
+               if (engine == NULL || engine->id != RCS)
+                       engine = &dev_priv->ring[BCS];
        } else {
-               ring = &dev_priv->ring[RCS];
+               engine = &dev_priv->ring[RCS];
        }
 
-       mmio_flip = use_mmio_flip(ring, obj);
+       mmio_flip = use_mmio_flip(engine, obj);
 
        /* When using CS flips, we want to emit semaphores between rings.
         * However, when using mmio flips we will create a task to do the
@@ -11597,7 +11597,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
         * into the display plane and skip any waits.
         */
        if (!mmio_flip) {
-               ret = i915_gem_object_sync(obj, ring, &request);
+               ret = i915_gem_object_sync(obj, engine, &request);
                if (ret)
                        goto cleanup_pending;
        }
@@ -11619,7 +11619,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
                                        obj->last_write_req);
        } else {
                if (!request) {
-                       request = i915_gem_request_alloc(ring, NULL);
+                       request = i915_gem_request_alloc(engine, NULL);
                        if (IS_ERR(request)) {
                                ret = PTR_ERR(request);
                                goto cleanup_unpin;
index 82a3c03fbc0ea2948f6534648f7fc658857076df..fc2c5188b0959f9b9e6a8d2e20c53b7c5342c4a3 100644 (file)
@@ -81,14 +81,14 @@ const char *intel_guc_fw_status_repr(enum intel_guc_fw_status status)
 
 static void direct_interrupts_to_host(struct drm_i915_private *dev_priv)
 {
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        int i, irqs;
 
        /* tell all command streamers NOT to forward interrupts and vblank to GuC */
        irqs = _MASKED_FIELD(GFX_FORWARD_VBLANK_MASK, GFX_FORWARD_VBLANK_NEVER);
        irqs |= _MASKED_BIT_DISABLE(GFX_INTERRUPT_STEERING);
-       for_each_ring(ring, dev_priv, i)
-               I915_WRITE(RING_MODE_GEN7(ring), irqs);
+       for_each_ring(engine, dev_priv, i)
+               I915_WRITE(RING_MODE_GEN7(engine), irqs);
 
        /* route all GT interrupts to the host */
        I915_WRITE(GUC_BCS_RCS_IER, 0);
@@ -98,14 +98,14 @@ static void direct_interrupts_to_host(struct drm_i915_private *dev_priv)
 
 static void direct_interrupts_to_guc(struct drm_i915_private *dev_priv)
 {
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        int i, irqs;
 
        /* tell all command streamers to forward interrupts and vblank to GuC */
        irqs = _MASKED_FIELD(GFX_FORWARD_VBLANK_MASK, GFX_FORWARD_VBLANK_ALWAYS);
        irqs |= _MASKED_BIT_ENABLE(GFX_INTERRUPT_STEERING);
-       for_each_ring(ring, dev_priv, i)
-               I915_WRITE(RING_MODE_GEN7(ring), irqs);
+       for_each_ring(engine, dev_priv, i)
+               I915_WRITE(RING_MODE_GEN7(engine), irqs);
 
        /* route USER_INTERRUPT to Host, all others are sent to GuC. */
        irqs = GT_RENDER_USER_INTERRUPT << GEN8_RCS_IRQ_SHIFT |
index 6fcbf6bb0479506fcec30b3ed371b7e5235f2ddc..448c68e691943fd4be35b64be8aff94c1ed8cc17 100644 (file)
@@ -360,8 +360,8 @@ static void execlists_elsp_write(struct drm_i915_gem_request *rq0,
                                 struct drm_i915_gem_request *rq1)
 {
 
-       struct intel_engine_cs *ring = rq0->ring;
-       struct drm_device *dev = ring->dev;
+       struct intel_engine_cs *engine = rq0->ring;
+       struct drm_device *dev = engine->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        uint64_t desc[2];
 
@@ -376,15 +376,15 @@ static void execlists_elsp_write(struct drm_i915_gem_request *rq0,
        rq0->elsp_submitted++;
 
        /* You must always write both descriptors in the order below. */
-       I915_WRITE_FW(RING_ELSP(ring), upper_32_bits(desc[1]));
-       I915_WRITE_FW(RING_ELSP(ring), lower_32_bits(desc[1]));
+       I915_WRITE_FW(RING_ELSP(engine), upper_32_bits(desc[1]));
+       I915_WRITE_FW(RING_ELSP(engine), lower_32_bits(desc[1]));
 
-       I915_WRITE_FW(RING_ELSP(ring), upper_32_bits(desc[0]));
+       I915_WRITE_FW(RING_ELSP(engine), upper_32_bits(desc[0]));
        /* The context is automatically loaded after the following */
-       I915_WRITE_FW(RING_ELSP(ring), lower_32_bits(desc[0]));
+       I915_WRITE_FW(RING_ELSP(engine), lower_32_bits(desc[0]));
 
        /* ELSP is a wo register, use another nearby reg for posting */
-       POSTING_READ_FW(RING_EXECLIST_STATUS_LO(ring));
+       POSTING_READ_FW(RING_EXECLIST_STATUS_LO(engine));
 }
 
 static void
@@ -398,9 +398,9 @@ execlists_update_context_pdps(struct i915_hw_ppgtt *ppgtt, u32 *reg_state)
 
 static void execlists_update_context(struct drm_i915_gem_request *rq)
 {
-       struct intel_engine_cs *ring = rq->ring;
+       struct intel_engine_cs *engine = rq->ring;
        struct i915_hw_ppgtt *ppgtt = rq->ctx->ppgtt;
-       uint32_t *reg_state = rq->ctx->engine[ring->id].lrc_reg_state;
+       uint32_t *reg_state = rq->ctx->engine[engine->id].lrc_reg_state;
 
        reg_state[CTX_RING_TAIL+1] = rq->tail;
 
@@ -609,25 +609,25 @@ void intel_lrc_irq_handler(struct intel_engine_cs *ring)
 
 static void execlists_context_queue(struct drm_i915_gem_request *request)
 {
-       struct intel_engine_cs *ring = request->ring;
+       struct intel_engine_cs *engine = request->ring;
        struct drm_i915_gem_request *cursor;
        int num_elements = 0;
 
        if (request->ctx != request->i915->kernel_context)
-               intel_lr_context_pin(request->ctx, ring);
+               intel_lr_context_pin(request->ctx, engine);
 
        i915_gem_request_reference(request);
 
-       spin_lock_irq(&ring->execlist_lock);
+       spin_lock_irq(&engine->execlist_lock);
 
-       list_for_each_entry(cursor, &ring->execlist_queue, execlist_link)
+       list_for_each_entry(cursor, &engine->execlist_queue, execlist_link)
                if (++num_elements > 2)
                        break;
 
        if (num_elements > 2) {
                struct drm_i915_gem_request *tail_req;
 
-               tail_req = list_last_entry(&ring->execlist_queue,
+               tail_req = list_last_entry(&engine->execlist_queue,
                                           struct drm_i915_gem_request,
                                           execlist_link);
 
@@ -635,32 +635,32 @@ static void execlists_context_queue(struct drm_i915_gem_request *request)
                        WARN(tail_req->elsp_submitted != 0,
                                "More than 2 already-submitted reqs queued\n");
                        list_move_tail(&tail_req->execlist_link,
-                                      &ring->execlist_retired_req_list);
+                                      &engine->execlist_retired_req_list);
                }
        }
 
-       list_add_tail(&request->execlist_link, &ring->execlist_queue);
+       list_add_tail(&request->execlist_link, &engine->execlist_queue);
        if (num_elements == 0)
-               execlists_context_unqueue(ring);
+               execlists_context_unqueue(engine);
 
-       spin_unlock_irq(&ring->execlist_lock);
+       spin_unlock_irq(&engine->execlist_lock);
 }
 
 static int logical_ring_invalidate_all_caches(struct drm_i915_gem_request *req)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        uint32_t flush_domains;
        int ret;
 
        flush_domains = 0;
-       if (ring->gpu_caches_dirty)
+       if (engine->gpu_caches_dirty)
                flush_domains = I915_GEM_GPU_DOMAINS;
 
-       ret = ring->emit_flush(req, I915_GEM_GPU_DOMAINS, flush_domains);
+       ret = engine->emit_flush(req, I915_GEM_GPU_DOMAINS, flush_domains);
        if (ret)
                return ret;
 
-       ring->gpu_caches_dirty = false;
+       engine->gpu_caches_dirty = false;
        return 0;
 }
 
@@ -726,7 +726,7 @@ static int logical_ring_wait_for_space(struct drm_i915_gem_request *req,
                                       int bytes)
 {
        struct intel_ringbuffer *ringbuf = req->ringbuf;
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        struct drm_i915_gem_request *target;
        unsigned space;
        int ret;
@@ -737,7 +737,7 @@ static int logical_ring_wait_for_space(struct drm_i915_gem_request *req,
        /* The whole point of reserving space is to not wait! */
        WARN_ON(ringbuf->reserved_in_use);
 
-       list_for_each_entry(target, &ring->request_list, list) {
+       list_for_each_entry(target, &engine->request_list, list) {
                /*
                 * The request queue is per-engine, so can contain requests
                 * from multiple ringbuffers. Here, we must ignore any that
@@ -753,7 +753,7 @@ static int logical_ring_wait_for_space(struct drm_i915_gem_request *req,
                        break;
        }
 
-       if (WARN_ON(&target->list == &ring->request_list))
+       if (WARN_ON(&target->list == &engine->request_list))
                return -ENOSPC;
 
        ret = i915_wait_request(target);
@@ -947,9 +947,9 @@ int intel_execlists_submission(struct i915_execbuffer_params *params,
                               struct list_head *vmas)
 {
        struct drm_device       *dev = params->dev;
-       struct intel_engine_cs  *ring = params->ring;
+       struct intel_engine_cs *engine = params->ring;
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_ringbuffer *ringbuf = params->ctx->engine[ring->id].ringbuf;
+       struct intel_ringbuffer *ringbuf = params->ctx->engine[engine->id].ringbuf;
        u64 exec_start;
        int instp_mode;
        u32 instp_mask;
@@ -961,7 +961,7 @@ int intel_execlists_submission(struct i915_execbuffer_params *params,
        case I915_EXEC_CONSTANTS_REL_GENERAL:
        case I915_EXEC_CONSTANTS_ABSOLUTE:
        case I915_EXEC_CONSTANTS_REL_SURFACE:
-               if (instp_mode != 0 && ring != &dev_priv->ring[RCS]) {
+               if (instp_mode != 0 && engine != &dev_priv->ring[RCS]) {
                        DRM_DEBUG("non-0 rel constants mode on non-RCS\n");
                        return -EINVAL;
                }
@@ -990,7 +990,7 @@ int intel_execlists_submission(struct i915_execbuffer_params *params,
        if (ret)
                return ret;
 
-       if (ring == &dev_priv->ring[RCS] &&
+       if (engine == &dev_priv->ring[RCS] &&
            instp_mode != dev_priv->relative_constants_mode) {
                ret = intel_logical_ring_begin(params->request, 4);
                if (ret)
@@ -1008,7 +1008,7 @@ int intel_execlists_submission(struct i915_execbuffer_params *params,
        exec_start = params->batch_obj_vm_offset +
                     args->batch_start_offset;
 
-       ret = ring->emit_bb_start(params->request, exec_start, params->dispatch_flags);
+       ret = engine->emit_bb_start(params->request, exec_start, params->dispatch_flags);
        if (ret)
                return ret;
 
@@ -1071,17 +1071,17 @@ void intel_logical_ring_stop(struct intel_engine_cs *ring)
 
 int logical_ring_flush_all_caches(struct drm_i915_gem_request *req)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        int ret;
 
-       if (!ring->gpu_caches_dirty)
+       if (!engine->gpu_caches_dirty)
                return 0;
 
-       ret = ring->emit_flush(req, 0, I915_GEM_GPU_DOMAINS);
+       ret = engine->emit_flush(req, 0, I915_GEM_GPU_DOMAINS);
        if (ret)
                return ret;
 
-       ring->gpu_caches_dirty = false;
+       engine->gpu_caches_dirty = false;
        return 0;
 }
 
@@ -1172,16 +1172,16 @@ void intel_lr_context_unpin(struct intel_context *ctx,
 static int intel_logical_ring_workarounds_emit(struct drm_i915_gem_request *req)
 {
        int ret, i;
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        struct intel_ringbuffer *ringbuf = req->ringbuf;
-       struct drm_device *dev = ring->dev;
+       struct drm_device *dev = engine->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct i915_workarounds *w = &dev_priv->workarounds;
 
        if (w->count == 0)
                return 0;
 
-       ring->gpu_caches_dirty = true;
+       engine->gpu_caches_dirty = true;
        ret = logical_ring_flush_all_caches(req);
        if (ret)
                return ret;
@@ -1199,7 +1199,7 @@ static int intel_logical_ring_workarounds_emit(struct drm_i915_gem_request *req)
 
        intel_logical_ring_advance(ringbuf);
 
-       ring->gpu_caches_dirty = true;
+       engine->gpu_caches_dirty = true;
        ret = logical_ring_flush_all_caches(req);
        if (ret)
                return ret;
@@ -1643,7 +1643,7 @@ static int gen9_init_render_ring(struct intel_engine_cs *ring)
 static int intel_logical_ring_emit_pdps(struct drm_i915_gem_request *req)
 {
        struct i915_hw_ppgtt *ppgtt = req->ctx->ppgtt;
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        struct intel_ringbuffer *ringbuf = req->ringbuf;
        const int num_lri_cmds = GEN8_LEGACY_PDPES * 2;
        int i, ret;
@@ -1656,9 +1656,11 @@ static int intel_logical_ring_emit_pdps(struct drm_i915_gem_request *req)
        for (i = GEN8_LEGACY_PDPES - 1; i >= 0; i--) {
                const dma_addr_t pd_daddr = i915_page_dir_dma_addr(ppgtt, i);
 
-               intel_logical_ring_emit_reg(ringbuf, GEN8_RING_PDP_UDW(ring, i));
+               intel_logical_ring_emit_reg(ringbuf,
+                                           GEN8_RING_PDP_UDW(engine, i));
                intel_logical_ring_emit(ringbuf, upper_32_bits(pd_daddr));
-               intel_logical_ring_emit_reg(ringbuf, GEN8_RING_PDP_LDW(ring, i));
+               intel_logical_ring_emit_reg(ringbuf,
+                                           GEN8_RING_PDP_LDW(engine, i));
                intel_logical_ring_emit(ringbuf, lower_32_bits(pd_daddr));
        }
 
@@ -1748,8 +1750,8 @@ static int gen8_emit_flush(struct drm_i915_gem_request *request,
                           u32 unused)
 {
        struct intel_ringbuffer *ringbuf = request->ringbuf;
-       struct intel_engine_cs *ring = ringbuf->ring;
-       struct drm_device *dev = ring->dev;
+       struct intel_engine_cs *engine = ringbuf->ring;
+       struct drm_device *dev = engine->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        uint32_t cmd;
        int ret;
@@ -1769,7 +1771,7 @@ static int gen8_emit_flush(struct drm_i915_gem_request *request,
 
        if (invalidate_domains & I915_GEM_GPU_DOMAINS) {
                cmd |= MI_INVALIDATE_TLB;
-               if (ring == &dev_priv->ring[VCS])
+               if (engine == &dev_priv->ring[VCS])
                        cmd |= MI_INVALIDATE_BSD;
        }
 
@@ -1789,8 +1791,8 @@ static int gen8_emit_flush_render(struct drm_i915_gem_request *request,
                                  u32 flush_domains)
 {
        struct intel_ringbuffer *ringbuf = request->ringbuf;
-       struct intel_engine_cs *ring = ringbuf->ring;
-       u32 scratch_addr = ring->scratch.gtt_offset + 2 * CACHELINE_BYTES;
+       struct intel_engine_cs *engine = ringbuf->ring;
+       u32 scratch_addr = engine->scratch.gtt_offset + 2 * CACHELINE_BYTES;
        bool vf_flush_wa = false;
        u32 flags = 0;
        int ret;
@@ -1818,7 +1820,7 @@ static int gen8_emit_flush_render(struct drm_i915_gem_request *request,
                 * On GEN9: before VF_CACHE_INVALIDATE we need to emit a NULL
                 * pipe control.
                 */
-               if (IS_GEN9(ring->dev))
+               if (IS_GEN9(engine->dev))
                        vf_flush_wa = true;
        }
 
@@ -2109,38 +2111,38 @@ error:
 static int logical_render_ring_init(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring = &dev_priv->ring[RCS];
+       struct intel_engine_cs *engine = &dev_priv->ring[RCS];
        int ret;
 
-       ring->name = "render ring";
-       ring->id = RCS;
-       ring->exec_id = I915_EXEC_RENDER;
-       ring->guc_id = GUC_RENDER_ENGINE;
-       ring->mmio_base = RENDER_RING_BASE;
+       engine->name = "render ring";
+       engine->id = RCS;
+       engine->exec_id = I915_EXEC_RENDER;
+       engine->guc_id = GUC_RENDER_ENGINE;
+       engine->mmio_base = RENDER_RING_BASE;
 
-       logical_ring_default_irqs(ring, GEN8_RCS_IRQ_SHIFT);
+       logical_ring_default_irqs(engine, GEN8_RCS_IRQ_SHIFT);
        if (HAS_L3_DPF(dev))
-               ring->irq_keep_mask |= GT_RENDER_L3_PARITY_ERROR_INTERRUPT;
+               engine->irq_keep_mask |= GT_RENDER_L3_PARITY_ERROR_INTERRUPT;
 
-       logical_ring_default_vfuncs(dev, ring);
+       logical_ring_default_vfuncs(dev, engine);
 
        /* Override some for render ring. */
        if (INTEL_INFO(dev)->gen >= 9)
-               ring->init_hw = gen9_init_render_ring;
+               engine->init_hw = gen9_init_render_ring;
        else
-               ring->init_hw = gen8_init_render_ring;
-       ring->init_context = gen8_init_rcs_context;
-       ring->cleanup = intel_fini_pipe_control;
-       ring->emit_flush = gen8_emit_flush_render;
-       ring->emit_request = gen8_emit_request_render;
+               engine->init_hw = gen8_init_render_ring;
+       engine->init_context = gen8_init_rcs_context;
+       engine->cleanup = intel_fini_pipe_control;
+       engine->emit_flush = gen8_emit_flush_render;
+       engine->emit_request = gen8_emit_request_render;
 
-       ring->dev = dev;
+       engine->dev = dev;
 
-       ret = intel_init_pipe_control(ring);
+       ret = intel_init_pipe_control(engine);
        if (ret)
                return ret;
 
-       ret = intel_init_workaround_bb(ring);
+       ret = intel_init_workaround_bb(engine);
        if (ret) {
                /*
                 * We continue even if we fail to initialize WA batch
@@ -2151,9 +2153,9 @@ static int logical_render_ring_init(struct drm_device *dev)
                          ret);
        }
 
-       ret = logical_ring_init(dev, ring);
+       ret = logical_ring_init(dev, engine);
        if (ret) {
-               lrc_destroy_wa_ctx_obj(ring);
+               lrc_destroy_wa_ctx_obj(engine);
        }
 
        return ret;
@@ -2162,69 +2164,69 @@ static int logical_render_ring_init(struct drm_device *dev)
 static int logical_bsd_ring_init(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring = &dev_priv->ring[VCS];
+       struct intel_engine_cs *engine = &dev_priv->ring[VCS];
 
-       ring->name = "bsd ring";
-       ring->id = VCS;
-       ring->exec_id = I915_EXEC_BSD;
-       ring->guc_id = GUC_VIDEO_ENGINE;
-       ring->mmio_base = GEN6_BSD_RING_BASE;
+       engine->name = "bsd ring";
+       engine->id = VCS;
+       engine->exec_id = I915_EXEC_BSD;
+       engine->guc_id = GUC_VIDEO_ENGINE;
+       engine->mmio_base = GEN6_BSD_RING_BASE;
 
-       logical_ring_default_irqs(ring, GEN8_VCS1_IRQ_SHIFT);
-       logical_ring_default_vfuncs(dev, ring);
+       logical_ring_default_irqs(engine, GEN8_VCS1_IRQ_SHIFT);
+       logical_ring_default_vfuncs(dev, engine);
 
-       return logical_ring_init(dev, ring);
+       return logical_ring_init(dev, engine);
 }
 
 static int logical_bsd2_ring_init(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring = &dev_priv->ring[VCS2];
+       struct intel_engine_cs *engine = &dev_priv->ring[VCS2];
 
-       ring->name = "bsd2 ring";
-       ring->id = VCS2;
-       ring->exec_id = I915_EXEC_BSD;
-       ring->guc_id = GUC_VIDEO_ENGINE2;
-       ring->mmio_base = GEN8_BSD2_RING_BASE;
+       engine->name = "bsd2 ring";
+       engine->id = VCS2;
+       engine->exec_id = I915_EXEC_BSD;
+       engine->guc_id = GUC_VIDEO_ENGINE2;
+       engine->mmio_base = GEN8_BSD2_RING_BASE;
 
-       logical_ring_default_irqs(ring, GEN8_VCS2_IRQ_SHIFT);
-       logical_ring_default_vfuncs(dev, ring);
+       logical_ring_default_irqs(engine, GEN8_VCS2_IRQ_SHIFT);
+       logical_ring_default_vfuncs(dev, engine);
 
-       return logical_ring_init(dev, ring);
+       return logical_ring_init(dev, engine);
 }
 
 static int logical_blt_ring_init(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring = &dev_priv->ring[BCS];
+       struct intel_engine_cs *engine = &dev_priv->ring[BCS];
 
-       ring->name = "blitter ring";
-       ring->id = BCS;
-       ring->exec_id = I915_EXEC_BLT;
-       ring->guc_id = GUC_BLITTER_ENGINE;
-       ring->mmio_base = BLT_RING_BASE;
+       engine->name = "blitter ring";
+       engine->id = BCS;
+       engine->exec_id = I915_EXEC_BLT;
+       engine->guc_id = GUC_BLITTER_ENGINE;
+       engine->mmio_base = BLT_RING_BASE;
 
-       logical_ring_default_irqs(ring, GEN8_BCS_IRQ_SHIFT);
-       logical_ring_default_vfuncs(dev, ring);
+       logical_ring_default_irqs(engine, GEN8_BCS_IRQ_SHIFT);
+       logical_ring_default_vfuncs(dev, engine);
 
-       return logical_ring_init(dev, ring);
+       return logical_ring_init(dev, engine);
 }
 
 static int logical_vebox_ring_init(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring = &dev_priv->ring[VECS];
+       struct intel_engine_cs *engine = &dev_priv->ring[VECS];
 
-       ring->name = "video enhancement ring";
-       ring->id = VECS;
-       ring->exec_id = I915_EXEC_VEBOX;
-       ring->guc_id = GUC_VIDEOENHANCE_ENGINE;
-       ring->mmio_base = VEBOX_RING_BASE;
+       engine->name = "video enhancement ring";
+       engine->id = VECS;
+       engine->exec_id = I915_EXEC_VEBOX;
+       engine->guc_id = GUC_VIDEOENHANCE_ENGINE;
+       engine->mmio_base = VEBOX_RING_BASE;
 
-       logical_ring_default_irqs(ring, GEN8_VECS_IRQ_SHIFT);
-       logical_ring_default_vfuncs(dev, ring);
+       logical_ring_default_irqs(engine, GEN8_VECS_IRQ_SHIFT);
+       logical_ring_default_vfuncs(dev, engine);
 
-       return logical_ring_init(dev, ring);
+       return logical_ring_init(dev, engine);
 }
 
 /**
@@ -2639,14 +2641,14 @@ void intel_lr_context_reset(struct drm_device *dev,
                        struct intel_context *ctx)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        int i;
 
-       for_each_ring(ring, dev_priv, i) {
+       for_each_ring(engine, dev_priv, i) {
                struct drm_i915_gem_object *ctx_obj =
-                               ctx->engine[ring->id].state;
+                               ctx->engine[engine->id].state;
                struct intel_ringbuffer *ringbuf =
-                               ctx->engine[ring->id].ringbuf;
+                               ctx->engine[engine->id].ringbuf;
                uint32_t *reg_state;
                struct page *page;
 
index fed7bea19cc94c41bf34352b6fb9b1a7b4c9f398..d55925987ebf0c4c33dab0e9a91c66929ee91f8b 100644 (file)
@@ -324,11 +324,11 @@ int intel_rcs_context_init_mocs(struct drm_i915_gem_request *req)
 
        if (get_mocs_settings(req->ring->dev, &t)) {
                struct drm_i915_private *dev_priv = req->i915;
-               struct intel_engine_cs *ring;
+               struct intel_engine_cs *engine;
                enum intel_ring_id ring_id;
 
                /* Program the control registers */
-               for_each_ring(ring, dev_priv, ring_id) {
+               for_each_ring(engine, dev_priv, ring_id) {
                        ret = emit_mocs_control_table(req, &t, ring_id);
                        if (ret)
                                return ret;
index 9168413fe204402d4476d2b873be39368b099e4d..13b27632636e3c024d83e9a28ada21f80c32fd68 100644 (file)
@@ -233,14 +233,14 @@ static int intel_overlay_on(struct intel_overlay *overlay)
 {
        struct drm_device *dev = overlay->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring = &dev_priv->ring[RCS];
+       struct intel_engine_cs *engine = &dev_priv->ring[RCS];
        struct drm_i915_gem_request *req;
        int ret;
 
        WARN_ON(overlay->active);
        WARN_ON(IS_I830(dev) && !(dev_priv->quirks & QUIRK_PIPEA_FORCE));
 
-       req = i915_gem_request_alloc(ring, NULL);
+       req = i915_gem_request_alloc(engine, NULL);
        if (IS_ERR(req))
                return PTR_ERR(req);
 
@@ -252,11 +252,11 @@ static int intel_overlay_on(struct intel_overlay *overlay)
 
        overlay->active = true;
 
-       intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_ON);
-       intel_ring_emit(ring, overlay->flip_addr | OFC_UPDATE);
-       intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
-       intel_ring_emit(ring, MI_NOOP);
-       intel_ring_advance(ring);
+       intel_ring_emit(engine, MI_OVERLAY_FLIP | MI_OVERLAY_ON);
+       intel_ring_emit(engine, overlay->flip_addr | OFC_UPDATE);
+       intel_ring_emit(engine, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
+       intel_ring_emit(engine, MI_NOOP);
+       intel_ring_advance(engine);
 
        return intel_overlay_do_wait_request(overlay, req, NULL);
 }
@@ -267,7 +267,7 @@ static int intel_overlay_continue(struct intel_overlay *overlay,
 {
        struct drm_device *dev = overlay->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring = &dev_priv->ring[RCS];
+       struct intel_engine_cs *engine = &dev_priv->ring[RCS];
        struct drm_i915_gem_request *req;
        u32 flip_addr = overlay->flip_addr;
        u32 tmp;
@@ -283,7 +283,7 @@ static int intel_overlay_continue(struct intel_overlay *overlay,
        if (tmp & (1 << 17))
                DRM_DEBUG("overlay underrun, DOVSTA: %x\n", tmp);
 
-       req = i915_gem_request_alloc(ring, NULL);
+       req = i915_gem_request_alloc(engine, NULL);
        if (IS_ERR(req))
                return PTR_ERR(req);
 
@@ -293,9 +293,9 @@ static int intel_overlay_continue(struct intel_overlay *overlay,
                return ret;
        }
 
-       intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
-       intel_ring_emit(ring, flip_addr);
-       intel_ring_advance(ring);
+       intel_ring_emit(engine, MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
+       intel_ring_emit(engine, flip_addr);
+       intel_ring_advance(engine);
 
        WARN_ON(overlay->last_flip_req);
        i915_gem_request_assign(&overlay->last_flip_req, req);
@@ -336,7 +336,7 @@ static int intel_overlay_off(struct intel_overlay *overlay)
 {
        struct drm_device *dev = overlay->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring = &dev_priv->ring[RCS];
+       struct intel_engine_cs *engine = &dev_priv->ring[RCS];
        struct drm_i915_gem_request *req;
        u32 flip_addr = overlay->flip_addr;
        int ret;
@@ -349,7 +349,7 @@ static int intel_overlay_off(struct intel_overlay *overlay)
         * of the hw. Do it in both cases */
        flip_addr |= OFC_UPDATE;
 
-       req = i915_gem_request_alloc(ring, NULL);
+       req = i915_gem_request_alloc(engine, NULL);
        if (IS_ERR(req))
                return PTR_ERR(req);
 
@@ -360,22 +360,23 @@ static int intel_overlay_off(struct intel_overlay *overlay)
        }
 
        /* wait for overlay to go idle */
-       intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
-       intel_ring_emit(ring, flip_addr);
-       intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
+       intel_ring_emit(engine, MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
+       intel_ring_emit(engine, flip_addr);
+       intel_ring_emit(engine, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
        /* turn overlay off */
        if (IS_I830(dev)) {
                /* Workaround: Don't disable the overlay fully, since otherwise
                 * it dies on the next OVERLAY_ON cmd. */
-               intel_ring_emit(ring, MI_NOOP);
-               intel_ring_emit(ring, MI_NOOP);
-               intel_ring_emit(ring, MI_NOOP);
+               intel_ring_emit(engine, MI_NOOP);
+               intel_ring_emit(engine, MI_NOOP);
+               intel_ring_emit(engine, MI_NOOP);
        } else {
-               intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_OFF);
-               intel_ring_emit(ring, flip_addr);
-               intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
+               intel_ring_emit(engine, MI_OVERLAY_FLIP | MI_OVERLAY_OFF);
+               intel_ring_emit(engine, flip_addr);
+               intel_ring_emit(engine,
+                               MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
        }
-       intel_ring_advance(ring);
+       intel_ring_advance(engine);
 
        return intel_overlay_do_wait_request(overlay, req, intel_overlay_off_tail);
 }
@@ -408,7 +409,7 @@ static int intel_overlay_release_old_vid(struct intel_overlay *overlay)
 {
        struct drm_device *dev = overlay->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring = &dev_priv->ring[RCS];
+       struct intel_engine_cs *engine = &dev_priv->ring[RCS];
        int ret;
 
        WARN_ON(!mutex_is_locked(&dev->struct_mutex));
@@ -423,7 +424,7 @@ static int intel_overlay_release_old_vid(struct intel_overlay *overlay)
                /* synchronous slowpath */
                struct drm_i915_gem_request *req;
 
-               req = i915_gem_request_alloc(ring, NULL);
+               req = i915_gem_request_alloc(engine, NULL);
                if (IS_ERR(req))
                        return PTR_ERR(req);
 
@@ -433,9 +434,10 @@ static int intel_overlay_release_old_vid(struct intel_overlay *overlay)
                        return ret;
                }
 
-               intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
-               intel_ring_emit(ring, MI_NOOP);
-               intel_ring_advance(ring);
+               intel_ring_emit(engine,
+                               MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
+               intel_ring_emit(engine, MI_NOOP);
+               intel_ring_advance(engine);
 
                ret = intel_overlay_do_wait_request(overlay, req,
                                                    intel_overlay_release_old_vid_tail);
index d7aef17bf0f90f859563f987a9e473246e659cd2..c54a7df7c2c90e5d6be642fdda1db7771420dfc1 100644 (file)
@@ -4815,7 +4815,7 @@ static void gen9_enable_rps(struct drm_device *dev)
 static void gen9_enable_rc6(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        uint32_t rc6_mask = 0;
        int unused;
 
@@ -4838,8 +4838,8 @@ static void gen9_enable_rc6(struct drm_device *dev)
                I915_WRITE(GEN6_RC6_WAKE_RATE_LIMIT, 54 << 16);
        I915_WRITE(GEN6_RC_EVALUATION_INTERVAL, 125000); /* 12500 * 1280ns */
        I915_WRITE(GEN6_RC_IDLE_HYSTERSIS, 25); /* 25 * 1280ns */
-       for_each_ring(ring, dev_priv, unused)
-               I915_WRITE(RING_MAX_IDLE(ring->mmio_base), 10);
+       for_each_ring(engine, dev_priv, unused)
+               I915_WRITE(RING_MAX_IDLE(engine->mmio_base), 10);
 
        if (HAS_GUC_UCODE(dev))
                I915_WRITE(GUC_MAX_IDLE_COUNT, 0xA);
@@ -4885,7 +4885,7 @@ static void gen9_enable_rc6(struct drm_device *dev)
 static void gen8_enable_rps(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        uint32_t rc6_mask = 0;
        int unused;
 
@@ -4906,8 +4906,8 @@ static void gen8_enable_rps(struct drm_device *dev)
        I915_WRITE(GEN6_RC6_WAKE_RATE_LIMIT, 40 << 16);
        I915_WRITE(GEN6_RC_EVALUATION_INTERVAL, 125000); /* 12500 * 1280ns */
        I915_WRITE(GEN6_RC_IDLE_HYSTERSIS, 25); /* 25 * 1280ns */
-       for_each_ring(ring, dev_priv, unused)
-               I915_WRITE(RING_MAX_IDLE(ring->mmio_base), 10);
+       for_each_ring(engine, dev_priv, unused)
+               I915_WRITE(RING_MAX_IDLE(engine->mmio_base), 10);
        I915_WRITE(GEN6_RC_SLEEP, 0);
        if (IS_BROADWELL(dev))
                I915_WRITE(GEN6_RC6_THRESHOLD, 625); /* 800us/1.28 for TO */
@@ -4967,7 +4967,7 @@ static void gen8_enable_rps(struct drm_device *dev)
 static void gen6_enable_rps(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        u32 rc6vids, pcu_mbox = 0, rc6_mask = 0;
        u32 gtfifodbg;
        int rc6_mode;
@@ -5003,8 +5003,8 @@ static void gen6_enable_rps(struct drm_device *dev)
        I915_WRITE(GEN6_RC_EVALUATION_INTERVAL, 125000);
        I915_WRITE(GEN6_RC_IDLE_HYSTERSIS, 25);
 
-       for_each_ring(ring, dev_priv, i)
-               I915_WRITE(RING_MAX_IDLE(ring->mmio_base), 10);
+       for_each_ring(engine, dev_priv, i)
+               I915_WRITE(RING_MAX_IDLE(engine->mmio_base), 10);
 
        I915_WRITE(GEN6_RC_SLEEP, 0);
        I915_WRITE(GEN6_RC1e_THRESHOLD, 1000);
@@ -5495,7 +5495,7 @@ static void valleyview_cleanup_gt_powersave(struct drm_device *dev)
 static void cherryview_enable_rps(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        u32 gtfifodbg, val, rc6_mode = 0, pcbr;
        int i;
 
@@ -5522,8 +5522,8 @@ static void cherryview_enable_rps(struct drm_device *dev)
        I915_WRITE(GEN6_RC_EVALUATION_INTERVAL, 125000); /* 12500 * 1280ns */
        I915_WRITE(GEN6_RC_IDLE_HYSTERSIS, 25); /* 25 * 1280ns */
 
-       for_each_ring(ring, dev_priv, i)
-               I915_WRITE(RING_MAX_IDLE(ring->mmio_base), 10);
+       for_each_ring(engine, dev_priv, i)
+               I915_WRITE(RING_MAX_IDLE(engine->mmio_base), 10);
        I915_WRITE(GEN6_RC_SLEEP, 0);
 
        /* TO threshold set to 500 us ( 0x186 * 1.28 us) */
@@ -5593,7 +5593,7 @@ static void cherryview_enable_rps(struct drm_device *dev)
 static void valleyview_enable_rps(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        u32 gtfifodbg, val, rc6_mode = 0;
        int i;
 
@@ -5633,8 +5633,8 @@ static void valleyview_enable_rps(struct drm_device *dev)
        I915_WRITE(GEN6_RC_EVALUATION_INTERVAL, 125000);
        I915_WRITE(GEN6_RC_IDLE_HYSTERSIS, 25);
 
-       for_each_ring(ring, dev_priv, i)
-               I915_WRITE(RING_MAX_IDLE(ring->mmio_base), 10);
+       for_each_ring(engine, dev_priv, i)
+               I915_WRITE(RING_MAX_IDLE(engine->mmio_base), 10);
 
        I915_WRITE(GEN6_RC6_THRESHOLD, 0x557);
 
@@ -6010,7 +6010,7 @@ EXPORT_SYMBOL_GPL(i915_gpu_lower);
 bool i915_gpu_busy(void)
 {
        struct drm_i915_private *dev_priv;
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        bool ret = false;
        int i;
 
@@ -6019,8 +6019,8 @@ bool i915_gpu_busy(void)
                goto out_unlock;
        dev_priv = i915_mch_dev;
 
-       for_each_ring(ring, dev_priv, i)
-               ret |= !list_empty(&ring->request_list);
+       for_each_ring(engine, dev_priv, i)
+               ret |= !list_empty(&engine->request_list);
 
 out_unlock:
        spin_unlock_irq(&mchdev_lock);
index 45ce45a5e122046047b2fadc75f5f6f89f34c379..688773aaa5e502e3b9fff6fb809020acb351b7de 100644 (file)
@@ -79,7 +79,7 @@ gen2_render_ring_flush(struct drm_i915_gem_request *req,
                       u32      invalidate_domains,
                       u32      flush_domains)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        u32 cmd;
        int ret;
 
@@ -94,9 +94,9 @@ gen2_render_ring_flush(struct drm_i915_gem_request *req,
        if (ret)
                return ret;
 
-       intel_ring_emit(ring, cmd);
-       intel_ring_emit(ring, MI_NOOP);
-       intel_ring_advance(ring);
+       intel_ring_emit(engine, cmd);
+       intel_ring_emit(engine, MI_NOOP);
+       intel_ring_advance(engine);
 
        return 0;
 }
@@ -106,8 +106,8 @@ gen4_render_ring_flush(struct drm_i915_gem_request *req,
                       u32      invalidate_domains,
                       u32      flush_domains)
 {
-       struct intel_engine_cs *ring = req->ring;
-       struct drm_device *dev = ring->dev;
+       struct intel_engine_cs *engine = req->ring;
+       struct drm_device *dev = engine->dev;
        u32 cmd;
        int ret;
 
@@ -153,9 +153,9 @@ gen4_render_ring_flush(struct drm_i915_gem_request *req,
        if (ret)
                return ret;
 
-       intel_ring_emit(ring, cmd);
-       intel_ring_emit(ring, MI_NOOP);
-       intel_ring_advance(ring);
+       intel_ring_emit(engine, cmd);
+       intel_ring_emit(engine, MI_NOOP);
+       intel_ring_advance(engine);
 
        return 0;
 }
@@ -200,34 +200,34 @@ gen4_render_ring_flush(struct drm_i915_gem_request *req,
 static int
 intel_emit_post_sync_nonzero_flush(struct drm_i915_gem_request *req)
 {
-       struct intel_engine_cs *ring = req->ring;
-       u32 scratch_addr = ring->scratch.gtt_offset + 2 * CACHELINE_BYTES;
+       struct intel_engine_cs *engine = req->ring;
+       u32 scratch_addr = engine->scratch.gtt_offset + 2 * CACHELINE_BYTES;
        int ret;
 
        ret = intel_ring_begin(req, 6);
        if (ret)
                return ret;
 
-       intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(5));
-       intel_ring_emit(ring, PIPE_CONTROL_CS_STALL |
+       intel_ring_emit(engine, GFX_OP_PIPE_CONTROL(5));
+       intel_ring_emit(engine, PIPE_CONTROL_CS_STALL |
                        PIPE_CONTROL_STALL_AT_SCOREBOARD);
-       intel_ring_emit(ring, scratch_addr | PIPE_CONTROL_GLOBAL_GTT); /* address */
-       intel_ring_emit(ring, 0); /* low dword */
-       intel_ring_emit(ring, 0); /* high dword */
-       intel_ring_emit(ring, MI_NOOP);
-       intel_ring_advance(ring);
+       intel_ring_emit(engine, scratch_addr | PIPE_CONTROL_GLOBAL_GTT); /* address */
+       intel_ring_emit(engine, 0); /* low dword */
+       intel_ring_emit(engine, 0); /* high dword */
+       intel_ring_emit(engine, MI_NOOP);
+       intel_ring_advance(engine);
 
        ret = intel_ring_begin(req, 6);
        if (ret)
                return ret;
 
-       intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(5));
-       intel_ring_emit(ring, PIPE_CONTROL_QW_WRITE);
-       intel_ring_emit(ring, scratch_addr | PIPE_CONTROL_GLOBAL_GTT); /* address */
-       intel_ring_emit(ring, 0);
-       intel_ring_emit(ring, 0);
-       intel_ring_emit(ring, MI_NOOP);
-       intel_ring_advance(ring);
+       intel_ring_emit(engine, GFX_OP_PIPE_CONTROL(5));
+       intel_ring_emit(engine, PIPE_CONTROL_QW_WRITE);
+       intel_ring_emit(engine, scratch_addr | PIPE_CONTROL_GLOBAL_GTT); /* address */
+       intel_ring_emit(engine, 0);
+       intel_ring_emit(engine, 0);
+       intel_ring_emit(engine, MI_NOOP);
+       intel_ring_advance(engine);
 
        return 0;
 }
@@ -236,9 +236,9 @@ static int
 gen6_render_ring_flush(struct drm_i915_gem_request *req,
                       u32 invalidate_domains, u32 flush_domains)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        u32 flags = 0;
-       u32 scratch_addr = ring->scratch.gtt_offset + 2 * CACHELINE_BYTES;
+       u32 scratch_addr = engine->scratch.gtt_offset + 2 * CACHELINE_BYTES;
        int ret;
 
        /* Force SNB workarounds for PIPE_CONTROL flushes */
@@ -276,11 +276,11 @@ gen6_render_ring_flush(struct drm_i915_gem_request *req,
        if (ret)
                return ret;
 
-       intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(4));
-       intel_ring_emit(ring, flags);
-       intel_ring_emit(ring, scratch_addr | PIPE_CONTROL_GLOBAL_GTT);
-       intel_ring_emit(ring, 0);
-       intel_ring_advance(ring);
+       intel_ring_emit(engine, GFX_OP_PIPE_CONTROL(4));
+       intel_ring_emit(engine, flags);
+       intel_ring_emit(engine, scratch_addr | PIPE_CONTROL_GLOBAL_GTT);
+       intel_ring_emit(engine, 0);
+       intel_ring_advance(engine);
 
        return 0;
 }
@@ -288,19 +288,19 @@ gen6_render_ring_flush(struct drm_i915_gem_request *req,
 static int
 gen7_render_ring_cs_stall_wa(struct drm_i915_gem_request *req)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        int ret;
 
        ret = intel_ring_begin(req, 4);
        if (ret)
                return ret;
 
-       intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(4));
-       intel_ring_emit(ring, PIPE_CONTROL_CS_STALL |
+       intel_ring_emit(engine, GFX_OP_PIPE_CONTROL(4));
+       intel_ring_emit(engine, PIPE_CONTROL_CS_STALL |
                              PIPE_CONTROL_STALL_AT_SCOREBOARD);
-       intel_ring_emit(ring, 0);
-       intel_ring_emit(ring, 0);
-       intel_ring_advance(ring);
+       intel_ring_emit(engine, 0);
+       intel_ring_emit(engine, 0);
+       intel_ring_advance(engine);
 
        return 0;
 }
@@ -309,9 +309,9 @@ static int
 gen7_render_ring_flush(struct drm_i915_gem_request *req,
                       u32 invalidate_domains, u32 flush_domains)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        u32 flags = 0;
-       u32 scratch_addr = ring->scratch.gtt_offset + 2 * CACHELINE_BYTES;
+       u32 scratch_addr = engine->scratch.gtt_offset + 2 * CACHELINE_BYTES;
        int ret;
 
        /*
@@ -360,11 +360,11 @@ gen7_render_ring_flush(struct drm_i915_gem_request *req,
        if (ret)
                return ret;
 
-       intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(4));
-       intel_ring_emit(ring, flags);
-       intel_ring_emit(ring, scratch_addr);
-       intel_ring_emit(ring, 0);
-       intel_ring_advance(ring);
+       intel_ring_emit(engine, GFX_OP_PIPE_CONTROL(4));
+       intel_ring_emit(engine, flags);
+       intel_ring_emit(engine, scratch_addr);
+       intel_ring_emit(engine, 0);
+       intel_ring_advance(engine);
 
        return 0;
 }
@@ -373,20 +373,20 @@ static int
 gen8_emit_pipe_control(struct drm_i915_gem_request *req,
                       u32 flags, u32 scratch_addr)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        int ret;
 
        ret = intel_ring_begin(req, 6);
        if (ret)
                return ret;
 
-       intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(6));
-       intel_ring_emit(ring, flags);
-       intel_ring_emit(ring, scratch_addr);
-       intel_ring_emit(ring, 0);
-       intel_ring_emit(ring, 0);
-       intel_ring_emit(ring, 0);
-       intel_ring_advance(ring);
+       intel_ring_emit(engine, GFX_OP_PIPE_CONTROL(6));
+       intel_ring_emit(engine, flags);
+       intel_ring_emit(engine, scratch_addr);
+       intel_ring_emit(engine, 0);
+       intel_ring_emit(engine, 0);
+       intel_ring_emit(engine, 0);
+       intel_ring_advance(engine);
 
        return 0;
 }
@@ -700,15 +700,15 @@ err:
 static int intel_ring_workarounds_emit(struct drm_i915_gem_request *req)
 {
        int ret, i;
-       struct intel_engine_cs *ring = req->ring;
-       struct drm_device *dev = ring->dev;
+       struct intel_engine_cs *engine = req->ring;
+       struct drm_device *dev = engine->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct i915_workarounds *w = &dev_priv->workarounds;
 
        if (w->count == 0)
                return 0;
 
-       ring->gpu_caches_dirty = true;
+       engine->gpu_caches_dirty = true;
        ret = intel_ring_flush_all_caches(req);
        if (ret)
                return ret;
@@ -717,16 +717,16 @@ static int intel_ring_workarounds_emit(struct drm_i915_gem_request *req)
        if (ret)
                return ret;
 
-       intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(w->count));
+       intel_ring_emit(engine, MI_LOAD_REGISTER_IMM(w->count));
        for (i = 0; i < w->count; i++) {
-               intel_ring_emit_reg(ring, w->reg[i].addr);
-               intel_ring_emit(ring, w->reg[i].value);
+               intel_ring_emit_reg(engine, w->reg[i].addr);
+               intel_ring_emit(engine, w->reg[i].value);
        }
-       intel_ring_emit(ring, MI_NOOP);
+       intel_ring_emit(engine, MI_NOOP);
 
-       intel_ring_advance(ring);
+       intel_ring_advance(engine);
 
-       ring->gpu_caches_dirty = true;
+       engine->gpu_caches_dirty = true;
        ret = intel_ring_flush_all_caches(req);
        if (ret)
                return ret;
@@ -1388,22 +1388,23 @@ static int gen6_signal(struct drm_i915_gem_request *signaller_req,
 static int
 gen6_add_request(struct drm_i915_gem_request *req)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        int ret;
 
-       if (ring->semaphore.signal)
-               ret = ring->semaphore.signal(req, 4);
+       if (engine->semaphore.signal)
+               ret = engine->semaphore.signal(req, 4);
        else
                ret = intel_ring_begin(req, 4);
 
        if (ret)
                return ret;
 
-       intel_ring_emit(ring, MI_STORE_DWORD_INDEX);
-       intel_ring_emit(ring, I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
-       intel_ring_emit(ring, i915_gem_request_get_seqno(req));
-       intel_ring_emit(ring, MI_USER_INTERRUPT);
-       __intel_ring_advance(ring);
+       intel_ring_emit(engine, MI_STORE_DWORD_INDEX);
+       intel_ring_emit(engine,
+                       I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
+       intel_ring_emit(engine, i915_gem_request_get_seqno(req));
+       intel_ring_emit(engine, MI_USER_INTERRUPT);
+       __intel_ring_advance(engine);
 
        return 0;
 }
@@ -1502,8 +1503,8 @@ do {                                                                      \
 static int
 pc_render_add_request(struct drm_i915_gem_request *req)
 {
-       struct intel_engine_cs *ring = req->ring;
-       u32 scratch_addr = ring->scratch.gtt_offset + 2 * CACHELINE_BYTES;
+       struct intel_engine_cs *engine = req->ring;
+       u32 scratch_addr = engine->scratch.gtt_offset + 2 * CACHELINE_BYTES;
        int ret;
 
        /* For Ironlake, MI_USER_INTERRUPT was deprecated and apparently
@@ -1518,32 +1519,36 @@ pc_render_add_request(struct drm_i915_gem_request *req)
        if (ret)
                return ret;
 
-       intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(4) | PIPE_CONTROL_QW_WRITE |
+       intel_ring_emit(engine,
+                       GFX_OP_PIPE_CONTROL(4) | PIPE_CONTROL_QW_WRITE |
                        PIPE_CONTROL_WRITE_FLUSH |
                        PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE);
-       intel_ring_emit(ring, ring->scratch.gtt_offset | PIPE_CONTROL_GLOBAL_GTT);
-       intel_ring_emit(ring, i915_gem_request_get_seqno(req));
-       intel_ring_emit(ring, 0);
-       PIPE_CONTROL_FLUSH(ring, scratch_addr);
+       intel_ring_emit(engine,
+                       engine->scratch.gtt_offset | PIPE_CONTROL_GLOBAL_GTT);
+       intel_ring_emit(engine, i915_gem_request_get_seqno(req));
+       intel_ring_emit(engine, 0);
+       PIPE_CONTROL_FLUSH(engine, scratch_addr);
        scratch_addr += 2 * CACHELINE_BYTES; /* write to separate cachelines */
-       PIPE_CONTROL_FLUSH(ring, scratch_addr);
+       PIPE_CONTROL_FLUSH(engine, scratch_addr);
        scratch_addr += 2 * CACHELINE_BYTES;
-       PIPE_CONTROL_FLUSH(ring, scratch_addr);
+       PIPE_CONTROL_FLUSH(engine, scratch_addr);
        scratch_addr += 2 * CACHELINE_BYTES;
-       PIPE_CONTROL_FLUSH(ring, scratch_addr);
+       PIPE_CONTROL_FLUSH(engine, scratch_addr);
        scratch_addr += 2 * CACHELINE_BYTES;
-       PIPE_CONTROL_FLUSH(ring, scratch_addr);
+       PIPE_CONTROL_FLUSH(engine, scratch_addr);
        scratch_addr += 2 * CACHELINE_BYTES;
-       PIPE_CONTROL_FLUSH(ring, scratch_addr);
+       PIPE_CONTROL_FLUSH(engine, scratch_addr);
 
-       intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(4) | PIPE_CONTROL_QW_WRITE |
+       intel_ring_emit(engine,
+                       GFX_OP_PIPE_CONTROL(4) | PIPE_CONTROL_QW_WRITE |
                        PIPE_CONTROL_WRITE_FLUSH |
                        PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE |
                        PIPE_CONTROL_NOTIFY);
-       intel_ring_emit(ring, ring->scratch.gtt_offset | PIPE_CONTROL_GLOBAL_GTT);
-       intel_ring_emit(ring, i915_gem_request_get_seqno(req));
-       intel_ring_emit(ring, 0);
-       __intel_ring_advance(ring);
+       intel_ring_emit(engine,
+                       engine->scratch.gtt_offset | PIPE_CONTROL_GLOBAL_GTT);
+       intel_ring_emit(engine, i915_gem_request_get_seqno(req));
+       intel_ring_emit(engine, 0);
+       __intel_ring_advance(engine);
 
        return 0;
 }
@@ -1696,34 +1701,35 @@ bsd_ring_flush(struct drm_i915_gem_request *req,
               u32     invalidate_domains,
               u32     flush_domains)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        int ret;
 
        ret = intel_ring_begin(req, 2);
        if (ret)
                return ret;
 
-       intel_ring_emit(ring, MI_FLUSH);
-       intel_ring_emit(ring, MI_NOOP);
-       intel_ring_advance(ring);
+       intel_ring_emit(engine, MI_FLUSH);
+       intel_ring_emit(engine, MI_NOOP);
+       intel_ring_advance(engine);
        return 0;
 }
 
 static int
 i9xx_add_request(struct drm_i915_gem_request *req)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        int ret;
 
        ret = intel_ring_begin(req, 4);
        if (ret)
                return ret;
 
-       intel_ring_emit(ring, MI_STORE_DWORD_INDEX);
-       intel_ring_emit(ring, I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
-       intel_ring_emit(ring, i915_gem_request_get_seqno(req));
-       intel_ring_emit(ring, MI_USER_INTERRUPT);
-       __intel_ring_advance(ring);
+       intel_ring_emit(engine, MI_STORE_DWORD_INDEX);
+       intel_ring_emit(engine,
+                       I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
+       intel_ring_emit(engine, i915_gem_request_get_seqno(req));
+       intel_ring_emit(engine, MI_USER_INTERRUPT);
+       __intel_ring_advance(engine);
 
        return 0;
 }
@@ -1857,20 +1863,20 @@ i965_dispatch_execbuffer(struct drm_i915_gem_request *req,
                         u64 offset, u32 length,
                         unsigned dispatch_flags)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        int ret;
 
        ret = intel_ring_begin(req, 2);
        if (ret)
                return ret;
 
-       intel_ring_emit(ring,
+       intel_ring_emit(engine,
                        MI_BATCH_BUFFER_START |
                        MI_BATCH_GTT |
                        (dispatch_flags & I915_DISPATCH_SECURE ?
                         0 : MI_BATCH_NON_SECURE_I965));
-       intel_ring_emit(ring, offset);
-       intel_ring_advance(ring);
+       intel_ring_emit(engine, offset);
+       intel_ring_advance(engine);
 
        return 0;
 }
@@ -1884,8 +1890,8 @@ i830_dispatch_execbuffer(struct drm_i915_gem_request *req,
                         u64 offset, u32 len,
                         unsigned dispatch_flags)
 {
-       struct intel_engine_cs *ring = req->ring;
-       u32 cs_offset = ring->scratch.gtt_offset;
+       struct intel_engine_cs *engine = req->ring;
+       u32 cs_offset = engine->scratch.gtt_offset;
        int ret;
 
        ret = intel_ring_begin(req, 6);
@@ -1893,13 +1899,13 @@ i830_dispatch_execbuffer(struct drm_i915_gem_request *req,
                return ret;
 
        /* Evict the invalid PTE TLBs */
-       intel_ring_emit(ring, COLOR_BLT_CMD | BLT_WRITE_RGBA);
-       intel_ring_emit(ring, BLT_DEPTH_32 | BLT_ROP_COLOR_COPY | 4096);
-       intel_ring_emit(ring, I830_TLB_ENTRIES << 16 | 4); /* load each page */
-       intel_ring_emit(ring, cs_offset);
-       intel_ring_emit(ring, 0xdeadbeef);
-       intel_ring_emit(ring, MI_NOOP);
-       intel_ring_advance(ring);
+       intel_ring_emit(engine, COLOR_BLT_CMD | BLT_WRITE_RGBA);
+       intel_ring_emit(engine, BLT_DEPTH_32 | BLT_ROP_COLOR_COPY | 4096);
+       intel_ring_emit(engine, I830_TLB_ENTRIES << 16 | 4); /* load each page */
+       intel_ring_emit(engine, cs_offset);
+       intel_ring_emit(engine, 0xdeadbeef);
+       intel_ring_emit(engine, MI_NOOP);
+       intel_ring_advance(engine);
 
        if ((dispatch_flags & I915_DISPATCH_PINNED) == 0) {
                if (len > I830_BATCH_LIMIT)
@@ -1913,16 +1919,17 @@ i830_dispatch_execbuffer(struct drm_i915_gem_request *req,
                 * stable batch scratch bo area (so that the CS never
                 * stumbles over its tlb invalidation bug) ...
                 */
-               intel_ring_emit(ring, SRC_COPY_BLT_CMD | BLT_WRITE_RGBA);
-               intel_ring_emit(ring, BLT_DEPTH_32 | BLT_ROP_SRC_COPY | 4096);
-               intel_ring_emit(ring, DIV_ROUND_UP(len, 4096) << 16 | 4096);
-               intel_ring_emit(ring, cs_offset);
-               intel_ring_emit(ring, 4096);
-               intel_ring_emit(ring, offset);
-
-               intel_ring_emit(ring, MI_FLUSH);
-               intel_ring_emit(ring, MI_NOOP);
-               intel_ring_advance(ring);
+               intel_ring_emit(engine, SRC_COPY_BLT_CMD | BLT_WRITE_RGBA);
+               intel_ring_emit(engine,
+                               BLT_DEPTH_32 | BLT_ROP_SRC_COPY | 4096);
+               intel_ring_emit(engine, DIV_ROUND_UP(len, 4096) << 16 | 4096);
+               intel_ring_emit(engine, cs_offset);
+               intel_ring_emit(engine, 4096);
+               intel_ring_emit(engine, offset);
+
+               intel_ring_emit(engine, MI_FLUSH);
+               intel_ring_emit(engine, MI_NOOP);
+               intel_ring_advance(engine);
 
                /* ... and execute it. */
                offset = cs_offset;
@@ -1932,10 +1939,10 @@ i830_dispatch_execbuffer(struct drm_i915_gem_request *req,
        if (ret)
                return ret;
 
-       intel_ring_emit(ring, MI_BATCH_BUFFER_START | MI_BATCH_GTT);
-       intel_ring_emit(ring, offset | (dispatch_flags & I915_DISPATCH_SECURE ?
-                                       0 : MI_BATCH_NON_SECURE));
-       intel_ring_advance(ring);
+       intel_ring_emit(engine, MI_BATCH_BUFFER_START | MI_BATCH_GTT);
+       intel_ring_emit(engine, offset | (dispatch_flags & I915_DISPATCH_SECURE ?
+                                         0 : MI_BATCH_NON_SECURE));
+       intel_ring_advance(engine);
 
        return 0;
 }
@@ -1945,17 +1952,17 @@ i915_dispatch_execbuffer(struct drm_i915_gem_request *req,
                         u64 offset, u32 len,
                         unsigned dispatch_flags)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        int ret;
 
        ret = intel_ring_begin(req, 2);
        if (ret)
                return ret;
 
-       intel_ring_emit(ring, MI_BATCH_BUFFER_START | MI_BATCH_GTT);
-       intel_ring_emit(ring, offset | (dispatch_flags & I915_DISPATCH_SECURE ?
-                                       0 : MI_BATCH_NON_SECURE));
-       intel_ring_advance(ring);
+       intel_ring_emit(engine, MI_BATCH_BUFFER_START | MI_BATCH_GTT);
+       intel_ring_emit(engine, offset | (dispatch_flags & I915_DISPATCH_SECURE ?
+                                         0 : MI_BATCH_NON_SECURE));
+       intel_ring_advance(engine);
 
        return 0;
 }
@@ -2480,32 +2487,32 @@ static int __intel_ring_prepare(struct intel_engine_cs *ring, int bytes)
 int intel_ring_begin(struct drm_i915_gem_request *req,
                     int num_dwords)
 {
-       struct intel_engine_cs *ring;
+       struct intel_engine_cs *engine;
        struct drm_i915_private *dev_priv;
        int ret;
 
        WARN_ON(req == NULL);
-       ring = req->ring;
-       dev_priv = ring->dev->dev_private;
+       engine = req->ring;
+       dev_priv = engine->dev->dev_private;
 
        ret = i915_gem_check_wedge(&dev_priv->gpu_error,
                                   dev_priv->mm.interruptible);
        if (ret)
                return ret;
 
-       ret = __intel_ring_prepare(ring, num_dwords * sizeof(uint32_t));
+       ret = __intel_ring_prepare(engine, num_dwords * sizeof(uint32_t));
        if (ret)
                return ret;
 
-       ring->buffer->space -= num_dwords * sizeof(uint32_t);
+       engine->buffer->space -= num_dwords * sizeof(uint32_t);
        return 0;
 }
 
 /* Align the ring tail to a cacheline boundary */
 int intel_ring_cacheline_align(struct drm_i915_gem_request *req)
 {
-       struct intel_engine_cs *ring = req->ring;
-       int num_dwords = (ring->buffer->tail & (CACHELINE_BYTES - 1)) / sizeof(uint32_t);
+       struct intel_engine_cs *engine = req->ring;
+       int num_dwords = (engine->buffer->tail & (CACHELINE_BYTES - 1)) / sizeof(uint32_t);
        int ret;
 
        if (num_dwords == 0)
@@ -2517,9 +2524,9 @@ int intel_ring_cacheline_align(struct drm_i915_gem_request *req)
                return ret;
 
        while (num_dwords--)
-               intel_ring_emit(ring, MI_NOOP);
+               intel_ring_emit(engine, MI_NOOP);
 
-       intel_ring_advance(ring);
+       intel_ring_advance(engine);
 
        return 0;
 }
@@ -2576,7 +2583,7 @@ static void gen6_bsd_ring_write_tail(struct intel_engine_cs *ring,
 static int gen6_bsd_ring_flush(struct drm_i915_gem_request *req,
                               u32 invalidate, u32 flush)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        uint32_t cmd;
        int ret;
 
@@ -2585,7 +2592,7 @@ static int gen6_bsd_ring_flush(struct drm_i915_gem_request *req,
                return ret;
 
        cmd = MI_FLUSH_DW;
-       if (INTEL_INFO(ring->dev)->gen >= 8)
+       if (INTEL_INFO(engine->dev)->gen >= 8)
                cmd += 1;
 
        /* We always require a command barrier so that subsequent
@@ -2604,16 +2611,17 @@ static int gen6_bsd_ring_flush(struct drm_i915_gem_request *req,
        if (invalidate & I915_GEM_GPU_DOMAINS)
                cmd |= MI_INVALIDATE_TLB | MI_INVALIDATE_BSD;
 
-       intel_ring_emit(ring, cmd);
-       intel_ring_emit(ring, I915_GEM_HWS_SCRATCH_ADDR | MI_FLUSH_DW_USE_GTT);
-       if (INTEL_INFO(ring->dev)->gen >= 8) {
-               intel_ring_emit(ring, 0); /* upper addr */
-               intel_ring_emit(ring, 0); /* value */
+       intel_ring_emit(engine, cmd);
+       intel_ring_emit(engine,
+                       I915_GEM_HWS_SCRATCH_ADDR | MI_FLUSH_DW_USE_GTT);
+       if (INTEL_INFO(engine->dev)->gen >= 8) {
+               intel_ring_emit(engine, 0); /* upper addr */
+               intel_ring_emit(engine, 0); /* value */
        } else  {
-               intel_ring_emit(ring, 0);
-               intel_ring_emit(ring, MI_NOOP);
+               intel_ring_emit(engine, 0);
+               intel_ring_emit(engine, MI_NOOP);
        }
-       intel_ring_advance(ring);
+       intel_ring_advance(engine);
        return 0;
 }
 
@@ -2622,8 +2630,8 @@ gen8_ring_dispatch_execbuffer(struct drm_i915_gem_request *req,
                              u64 offset, u32 len,
                              unsigned dispatch_flags)
 {
-       struct intel_engine_cs *ring = req->ring;
-       bool ppgtt = USES_PPGTT(ring->dev) &&
+       struct intel_engine_cs *engine = req->ring;
+       bool ppgtt = USES_PPGTT(engine->dev) &&
                        !(dispatch_flags & I915_DISPATCH_SECURE);
        int ret;
 
@@ -2632,13 +2640,13 @@ gen8_ring_dispatch_execbuffer(struct drm_i915_gem_request *req,
                return ret;
 
        /* FIXME(BDW): Address space and security selectors. */
-       intel_ring_emit(ring, MI_BATCH_BUFFER_START_GEN8 | (ppgtt<<8) |
+       intel_ring_emit(engine, MI_BATCH_BUFFER_START_GEN8 | (ppgtt<<8) |
                        (dispatch_flags & I915_DISPATCH_RS ?
                         MI_BATCH_RESOURCE_STREAMER : 0));
-       intel_ring_emit(ring, lower_32_bits(offset));
-       intel_ring_emit(ring, upper_32_bits(offset));
-       intel_ring_emit(ring, MI_NOOP);
-       intel_ring_advance(ring);
+       intel_ring_emit(engine, lower_32_bits(offset));
+       intel_ring_emit(engine, upper_32_bits(offset));
+       intel_ring_emit(engine, MI_NOOP);
+       intel_ring_advance(engine);
 
        return 0;
 }
@@ -2648,22 +2656,22 @@ hsw_ring_dispatch_execbuffer(struct drm_i915_gem_request *req,
                             u64 offset, u32 len,
                             unsigned dispatch_flags)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        int ret;
 
        ret = intel_ring_begin(req, 2);
        if (ret)
                return ret;
 
-       intel_ring_emit(ring,
+       intel_ring_emit(engine,
                        MI_BATCH_BUFFER_START |
                        (dispatch_flags & I915_DISPATCH_SECURE ?
                         0 : MI_BATCH_PPGTT_HSW | MI_BATCH_NON_SECURE_HSW) |
                        (dispatch_flags & I915_DISPATCH_RS ?
                         MI_BATCH_RESOURCE_STREAMER : 0));
        /* bit0-7 is the length on GEN6+ */
-       intel_ring_emit(ring, offset);
-       intel_ring_advance(ring);
+       intel_ring_emit(engine, offset);
+       intel_ring_advance(engine);
 
        return 0;
 }
@@ -2673,20 +2681,20 @@ gen6_ring_dispatch_execbuffer(struct drm_i915_gem_request *req,
                              u64 offset, u32 len,
                              unsigned dispatch_flags)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        int ret;
 
        ret = intel_ring_begin(req, 2);
        if (ret)
                return ret;
 
-       intel_ring_emit(ring,
+       intel_ring_emit(engine,
                        MI_BATCH_BUFFER_START |
                        (dispatch_flags & I915_DISPATCH_SECURE ?
                         0 : MI_BATCH_NON_SECURE_I965));
        /* bit0-7 is the length on GEN6+ */
-       intel_ring_emit(ring, offset);
-       intel_ring_advance(ring);
+       intel_ring_emit(engine, offset);
+       intel_ring_advance(engine);
 
        return 0;
 }
@@ -2696,8 +2704,8 @@ gen6_ring_dispatch_execbuffer(struct drm_i915_gem_request *req,
 static int gen6_ring_flush(struct drm_i915_gem_request *req,
                           u32 invalidate, u32 flush)
 {
-       struct intel_engine_cs *ring = req->ring;
-       struct drm_device *dev = ring->dev;
+       struct intel_engine_cs *engine = req->ring;
+       struct drm_device *dev = engine->dev;
        uint32_t cmd;
        int ret;
 
@@ -2724,16 +2732,17 @@ static int gen6_ring_flush(struct drm_i915_gem_request *req,
         */
        if (invalidate & I915_GEM_DOMAIN_RENDER)
                cmd |= MI_INVALIDATE_TLB;
-       intel_ring_emit(ring, cmd);
-       intel_ring_emit(ring, I915_GEM_HWS_SCRATCH_ADDR | MI_FLUSH_DW_USE_GTT);
+       intel_ring_emit(engine, cmd);
+       intel_ring_emit(engine,
+                       I915_GEM_HWS_SCRATCH_ADDR | MI_FLUSH_DW_USE_GTT);
        if (INTEL_INFO(dev)->gen >= 8) {
-               intel_ring_emit(ring, 0); /* upper addr */
-               intel_ring_emit(ring, 0); /* value */
+               intel_ring_emit(engine, 0); /* upper addr */
+               intel_ring_emit(engine, 0); /* value */
        } else  {
-               intel_ring_emit(ring, 0);
-               intel_ring_emit(ring, MI_NOOP);
+               intel_ring_emit(engine, 0);
+               intel_ring_emit(engine, MI_NOOP);
        }
-       intel_ring_advance(ring);
+       intel_ring_advance(engine);
 
        return 0;
 }
@@ -2741,14 +2750,14 @@ static int gen6_ring_flush(struct drm_i915_gem_request *req,
 int intel_init_render_ring_buffer(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring = &dev_priv->ring[RCS];
+       struct intel_engine_cs *engine = &dev_priv->ring[RCS];
        struct drm_i915_gem_object *obj;
        int ret;
 
-       ring->name = "render ring";
-       ring->id = RCS;
-       ring->exec_id = I915_EXEC_RENDER;
-       ring->mmio_base = RENDER_RING_BASE;
+       engine->name = "render ring";
+       engine->id = RCS;
+       engine->exec_id = I915_EXEC_RENDER;
+       engine->mmio_base = RENDER_RING_BASE;
 
        if (INTEL_INFO(dev)->gen >= 8) {
                if (i915_semaphore_is_enabled(dev)) {
@@ -2768,34 +2777,34 @@ int intel_init_render_ring_buffer(struct drm_device *dev)
                        }
                }
 
-               ring->init_context = intel_rcs_ctx_init;
-               ring->add_request = gen6_add_request;
-               ring->flush = gen8_render_ring_flush;
-               ring->irq_get = gen8_ring_get_irq;
-               ring->irq_put = gen8_ring_put_irq;
-               ring->irq_enable_mask = GT_RENDER_USER_INTERRUPT;
-               ring->get_seqno = gen6_ring_get_seqno;
-               ring->set_seqno = ring_set_seqno;
+               engine->init_context = intel_rcs_ctx_init;
+               engine->add_request = gen6_add_request;
+               engine->flush = gen8_render_ring_flush;
+               engine->irq_get = gen8_ring_get_irq;
+               engine->irq_put = gen8_ring_put_irq;
+               engine->irq_enable_mask = GT_RENDER_USER_INTERRUPT;
+               engine->get_seqno = gen6_ring_get_seqno;
+               engine->set_seqno = ring_set_seqno;
                if (i915_semaphore_is_enabled(dev)) {
                        WARN_ON(!dev_priv->semaphore_obj);
-                       ring->semaphore.sync_to = gen8_ring_sync;
-                       ring->semaphore.signal = gen8_rcs_signal;
-                       GEN8_RING_SEMAPHORE_INIT;
+                       engine->semaphore.sync_to = gen8_ring_sync;
+                       engine->semaphore.signal = gen8_rcs_signal;
+                       GEN8_RING_SEMAPHORE_INIT(engine);
                }
        } else if (INTEL_INFO(dev)->gen >= 6) {
-               ring->init_context = intel_rcs_ctx_init;
-               ring->add_request = gen6_add_request;
-               ring->flush = gen7_render_ring_flush;
+               engine->init_context = intel_rcs_ctx_init;
+               engine->add_request = gen6_add_request;
+               engine->flush = gen7_render_ring_flush;
                if (INTEL_INFO(dev)->gen == 6)
-                       ring->flush = gen6_render_ring_flush;
-               ring->irq_get = gen6_ring_get_irq;
-               ring->irq_put = gen6_ring_put_irq;
-               ring->irq_enable_mask = GT_RENDER_USER_INTERRUPT;
-               ring->get_seqno = gen6_ring_get_seqno;
-               ring->set_seqno = ring_set_seqno;
+                       engine->flush = gen6_render_ring_flush;
+               engine->irq_get = gen6_ring_get_irq;
+               engine->irq_put = gen6_ring_put_irq;
+               engine->irq_enable_mask = GT_RENDER_USER_INTERRUPT;
+               engine->get_seqno = gen6_ring_get_seqno;
+               engine->set_seqno = ring_set_seqno;
                if (i915_semaphore_is_enabled(dev)) {
-                       ring->semaphore.sync_to = gen6_ring_sync;
-                       ring->semaphore.signal = gen6_signal;
+                       engine->semaphore.sync_to = gen6_ring_sync;
+                       engine->semaphore.signal = gen6_signal;
                        /*
                         * The current semaphore is only applied on pre-gen8
                         * platform.  And there is no VCS2 ring on the pre-gen8
@@ -2803,59 +2812,59 @@ int intel_init_render_ring_buffer(struct drm_device *dev)
                         * initialized as INVALID.  Gen8 will initialize the
                         * sema between VCS2 and RCS later.
                         */
-                       ring->semaphore.mbox.wait[RCS] = MI_SEMAPHORE_SYNC_INVALID;
-                       ring->semaphore.mbox.wait[VCS] = MI_SEMAPHORE_SYNC_RV;
-                       ring->semaphore.mbox.wait[BCS] = MI_SEMAPHORE_SYNC_RB;
-                       ring->semaphore.mbox.wait[VECS] = MI_SEMAPHORE_SYNC_RVE;
-                       ring->semaphore.mbox.wait[VCS2] = MI_SEMAPHORE_SYNC_INVALID;
-                       ring->semaphore.mbox.signal[RCS] = GEN6_NOSYNC;
-                       ring->semaphore.mbox.signal[VCS] = GEN6_VRSYNC;
-                       ring->semaphore.mbox.signal[BCS] = GEN6_BRSYNC;
-                       ring->semaphore.mbox.signal[VECS] = GEN6_VERSYNC;
-                       ring->semaphore.mbox.signal[VCS2] = GEN6_NOSYNC;
+                       engine->semaphore.mbox.wait[RCS] = MI_SEMAPHORE_SYNC_INVALID;
+                       engine->semaphore.mbox.wait[VCS] = MI_SEMAPHORE_SYNC_RV;
+                       engine->semaphore.mbox.wait[BCS] = MI_SEMAPHORE_SYNC_RB;
+                       engine->semaphore.mbox.wait[VECS] = MI_SEMAPHORE_SYNC_RVE;
+                       engine->semaphore.mbox.wait[VCS2] = MI_SEMAPHORE_SYNC_INVALID;
+                       engine->semaphore.mbox.signal[RCS] = GEN6_NOSYNC;
+                       engine->semaphore.mbox.signal[VCS] = GEN6_VRSYNC;
+                       engine->semaphore.mbox.signal[BCS] = GEN6_BRSYNC;
+                       engine->semaphore.mbox.signal[VECS] = GEN6_VERSYNC;
+                       engine->semaphore.mbox.signal[VCS2] = GEN6_NOSYNC;
                }
        } else if (IS_GEN5(dev)) {
-               ring->add_request = pc_render_add_request;
-               ring->flush = gen4_render_ring_flush;
-               ring->get_seqno = pc_render_get_seqno;
-               ring->set_seqno = pc_render_set_seqno;
-               ring->irq_get = gen5_ring_get_irq;
-               ring->irq_put = gen5_ring_put_irq;
-               ring->irq_enable_mask = GT_RENDER_USER_INTERRUPT |
+               engine->add_request = pc_render_add_request;
+               engine->flush = gen4_render_ring_flush;
+               engine->get_seqno = pc_render_get_seqno;
+               engine->set_seqno = pc_render_set_seqno;
+               engine->irq_get = gen5_ring_get_irq;
+               engine->irq_put = gen5_ring_put_irq;
+               engine->irq_enable_mask = GT_RENDER_USER_INTERRUPT |
                                        GT_RENDER_PIPECTL_NOTIFY_INTERRUPT;
        } else {
-               ring->add_request = i9xx_add_request;
+               engine->add_request = i9xx_add_request;
                if (INTEL_INFO(dev)->gen < 4)
-                       ring->flush = gen2_render_ring_flush;
+                       engine->flush = gen2_render_ring_flush;
                else
-                       ring->flush = gen4_render_ring_flush;
-               ring->get_seqno = ring_get_seqno;
-               ring->set_seqno = ring_set_seqno;
+                       engine->flush = gen4_render_ring_flush;
+               engine->get_seqno = ring_get_seqno;
+               engine->set_seqno = ring_set_seqno;
                if (IS_GEN2(dev)) {
-                       ring->irq_get = i8xx_ring_get_irq;
-                       ring->irq_put = i8xx_ring_put_irq;
+                       engine->irq_get = i8xx_ring_get_irq;
+                       engine->irq_put = i8xx_ring_put_irq;
                } else {
-                       ring->irq_get = i9xx_ring_get_irq;
-                       ring->irq_put = i9xx_ring_put_irq;
+                       engine->irq_get = i9xx_ring_get_irq;
+                       engine->irq_put = i9xx_ring_put_irq;
                }
-               ring->irq_enable_mask = I915_USER_INTERRUPT;
+               engine->irq_enable_mask = I915_USER_INTERRUPT;
        }
-       ring->write_tail = ring_write_tail;
+       engine->write_tail = ring_write_tail;
 
        if (IS_HASWELL(dev))
-               ring->dispatch_execbuffer = hsw_ring_dispatch_execbuffer;
+               engine->dispatch_execbuffer = hsw_ring_dispatch_execbuffer;
        else if (IS_GEN8(dev))
-               ring->dispatch_execbuffer = gen8_ring_dispatch_execbuffer;
+               engine->dispatch_execbuffer = gen8_ring_dispatch_execbuffer;
        else if (INTEL_INFO(dev)->gen >= 6)
-               ring->dispatch_execbuffer = gen6_ring_dispatch_execbuffer;
+               engine->dispatch_execbuffer = gen6_ring_dispatch_execbuffer;
        else if (INTEL_INFO(dev)->gen >= 4)
-               ring->dispatch_execbuffer = i965_dispatch_execbuffer;
+               engine->dispatch_execbuffer = i965_dispatch_execbuffer;
        else if (IS_I830(dev) || IS_845G(dev))
-               ring->dispatch_execbuffer = i830_dispatch_execbuffer;
+               engine->dispatch_execbuffer = i830_dispatch_execbuffer;
        else
-               ring->dispatch_execbuffer = i915_dispatch_execbuffer;
-       ring->init_hw = init_render_ring;
-       ring->cleanup = render_ring_cleanup;
+               engine->dispatch_execbuffer = i915_dispatch_execbuffer;
+       engine->init_hw = init_render_ring;
+       engine->cleanup = render_ring_cleanup;
 
        /* Workaround batchbuffer to combat CS tlb bug. */
        if (HAS_BROKEN_CS_TLB(dev)) {
@@ -2872,16 +2881,16 @@ int intel_init_render_ring_buffer(struct drm_device *dev)
                        return ret;
                }
 
-               ring->scratch.obj = obj;
-               ring->scratch.gtt_offset = i915_gem_obj_ggtt_offset(obj);
+               engine->scratch.obj = obj;
+               engine->scratch.gtt_offset = i915_gem_obj_ggtt_offset(obj);
        }
 
-       ret = intel_init_ring_buffer(dev, ring);
+       ret = intel_init_ring_buffer(dev, engine);
        if (ret)
                return ret;
 
        if (INTEL_INFO(dev)->gen >= 5) {
-               ret = intel_init_pipe_control(ring);
+               ret = intel_init_pipe_control(engine);
                if (ret)
                        return ret;
        }
@@ -2892,75 +2901,75 @@ int intel_init_render_ring_buffer(struct drm_device *dev)
 int intel_init_bsd_ring_buffer(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring = &dev_priv->ring[VCS];
+       struct intel_engine_cs *engine = &dev_priv->ring[VCS];
 
-       ring->name = "bsd ring";
-       ring->id = VCS;
-       ring->exec_id = I915_EXEC_BSD;
+       engine->name = "bsd ring";
+       engine->id = VCS;
+       engine->exec_id = I915_EXEC_BSD;
 
-       ring->write_tail = ring_write_tail;
+       engine->write_tail = ring_write_tail;
        if (INTEL_INFO(dev)->gen >= 6) {
-               ring->mmio_base = GEN6_BSD_RING_BASE;
+               engine->mmio_base = GEN6_BSD_RING_BASE;
                /* gen6 bsd needs a special wa for tail updates */
                if (IS_GEN6(dev))
-                       ring->write_tail = gen6_bsd_ring_write_tail;
-               ring->flush = gen6_bsd_ring_flush;
-               ring->add_request = gen6_add_request;
-               ring->get_seqno = gen6_ring_get_seqno;
-               ring->set_seqno = ring_set_seqno;
+                       engine->write_tail = gen6_bsd_ring_write_tail;
+               engine->flush = gen6_bsd_ring_flush;
+               engine->add_request = gen6_add_request;
+               engine->get_seqno = gen6_ring_get_seqno;
+               engine->set_seqno = ring_set_seqno;
                if (INTEL_INFO(dev)->gen >= 8) {
-                       ring->irq_enable_mask =
+                       engine->irq_enable_mask =
                                GT_RENDER_USER_INTERRUPT << GEN8_VCS1_IRQ_SHIFT;
-                       ring->irq_get = gen8_ring_get_irq;
-                       ring->irq_put = gen8_ring_put_irq;
-                       ring->dispatch_execbuffer =
+                       engine->irq_get = gen8_ring_get_irq;
+                       engine->irq_put = gen8_ring_put_irq;
+                       engine->dispatch_execbuffer =
                                gen8_ring_dispatch_execbuffer;
                        if (i915_semaphore_is_enabled(dev)) {
-                               ring->semaphore.sync_to = gen8_ring_sync;
-                               ring->semaphore.signal = gen8_xcs_signal;
-                               GEN8_RING_SEMAPHORE_INIT;
+                               engine->semaphore.sync_to = gen8_ring_sync;
+                               engine->semaphore.signal = gen8_xcs_signal;
+                               GEN8_RING_SEMAPHORE_INIT(engine);
                        }
                } else {
-                       ring->irq_enable_mask = GT_BSD_USER_INTERRUPT;
-                       ring->irq_get = gen6_ring_get_irq;
-                       ring->irq_put = gen6_ring_put_irq;
-                       ring->dispatch_execbuffer =
+                       engine->irq_enable_mask = GT_BSD_USER_INTERRUPT;
+                       engine->irq_get = gen6_ring_get_irq;
+                       engine->irq_put = gen6_ring_put_irq;
+                       engine->dispatch_execbuffer =
                                gen6_ring_dispatch_execbuffer;
                        if (i915_semaphore_is_enabled(dev)) {
-                               ring->semaphore.sync_to = gen6_ring_sync;
-                               ring->semaphore.signal = gen6_signal;
-                               ring->semaphore.mbox.wait[RCS] = MI_SEMAPHORE_SYNC_VR;
-                               ring->semaphore.mbox.wait[VCS] = MI_SEMAPHORE_SYNC_INVALID;
-                               ring->semaphore.mbox.wait[BCS] = MI_SEMAPHORE_SYNC_VB;
-                               ring->semaphore.mbox.wait[VECS] = MI_SEMAPHORE_SYNC_VVE;
-                               ring->semaphore.mbox.wait[VCS2] = MI_SEMAPHORE_SYNC_INVALID;
-                               ring->semaphore.mbox.signal[RCS] = GEN6_RVSYNC;
-                               ring->semaphore.mbox.signal[VCS] = GEN6_NOSYNC;
-                               ring->semaphore.mbox.signal[BCS] = GEN6_BVSYNC;
-                               ring->semaphore.mbox.signal[VECS] = GEN6_VEVSYNC;
-                               ring->semaphore.mbox.signal[VCS2] = GEN6_NOSYNC;
+                               engine->semaphore.sync_to = gen6_ring_sync;
+                               engine->semaphore.signal = gen6_signal;
+                               engine->semaphore.mbox.wait[RCS] = MI_SEMAPHORE_SYNC_VR;
+                               engine->semaphore.mbox.wait[VCS] = MI_SEMAPHORE_SYNC_INVALID;
+                               engine->semaphore.mbox.wait[BCS] = MI_SEMAPHORE_SYNC_VB;
+                               engine->semaphore.mbox.wait[VECS] = MI_SEMAPHORE_SYNC_VVE;
+                               engine->semaphore.mbox.wait[VCS2] = MI_SEMAPHORE_SYNC_INVALID;
+                               engine->semaphore.mbox.signal[RCS] = GEN6_RVSYNC;
+                               engine->semaphore.mbox.signal[VCS] = GEN6_NOSYNC;
+                               engine->semaphore.mbox.signal[BCS] = GEN6_BVSYNC;
+                               engine->semaphore.mbox.signal[VECS] = GEN6_VEVSYNC;
+                               engine->semaphore.mbox.signal[VCS2] = GEN6_NOSYNC;
                        }
                }
        } else {
-               ring->mmio_base = BSD_RING_BASE;
-               ring->flush = bsd_ring_flush;
-               ring->add_request = i9xx_add_request;
-               ring->get_seqno = ring_get_seqno;
-               ring->set_seqno = ring_set_seqno;
+               engine->mmio_base = BSD_RING_BASE;
+               engine->flush = bsd_ring_flush;
+               engine->add_request = i9xx_add_request;
+               engine->get_seqno = ring_get_seqno;
+               engine->set_seqno = ring_set_seqno;
                if (IS_GEN5(dev)) {
-                       ring->irq_enable_mask = ILK_BSD_USER_INTERRUPT;
-                       ring->irq_get = gen5_ring_get_irq;
-                       ring->irq_put = gen5_ring_put_irq;
+                       engine->irq_enable_mask = ILK_BSD_USER_INTERRUPT;
+                       engine->irq_get = gen5_ring_get_irq;
+                       engine->irq_put = gen5_ring_put_irq;
                } else {
-                       ring->irq_enable_mask = I915_BSD_USER_INTERRUPT;
-                       ring->irq_get = i9xx_ring_get_irq;
-                       ring->irq_put = i9xx_ring_put_irq;
+                       engine->irq_enable_mask = I915_BSD_USER_INTERRUPT;
+                       engine->irq_get = i9xx_ring_get_irq;
+                       engine->irq_put = i9xx_ring_put_irq;
                }
-               ring->dispatch_execbuffer = i965_dispatch_execbuffer;
+               engine->dispatch_execbuffer = i965_dispatch_execbuffer;
        }
-       ring->init_hw = init_ring_common;
+       engine->init_hw = init_ring_common;
 
-       return intel_init_ring_buffer(dev, ring);
+       return intel_init_ring_buffer(dev, engine);
 }
 
 /**
@@ -2969,68 +2978,68 @@ int intel_init_bsd_ring_buffer(struct drm_device *dev)
 int intel_init_bsd2_ring_buffer(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring = &dev_priv->ring[VCS2];
-
-       ring->name = "bsd2 ring";
-       ring->id = VCS2;
-       ring->exec_id = I915_EXEC_BSD;
-
-       ring->write_tail = ring_write_tail;
-       ring->mmio_base = GEN8_BSD2_RING_BASE;
-       ring->flush = gen6_bsd_ring_flush;
-       ring->add_request = gen6_add_request;
-       ring->get_seqno = gen6_ring_get_seqno;
-       ring->set_seqno = ring_set_seqno;
-       ring->irq_enable_mask =
+       struct intel_engine_cs *engine = &dev_priv->ring[VCS2];
+
+       engine->name = "bsd2 ring";
+       engine->id = VCS2;
+       engine->exec_id = I915_EXEC_BSD;
+
+       engine->write_tail = ring_write_tail;
+       engine->mmio_base = GEN8_BSD2_RING_BASE;
+       engine->flush = gen6_bsd_ring_flush;
+       engine->add_request = gen6_add_request;
+       engine->get_seqno = gen6_ring_get_seqno;
+       engine->set_seqno = ring_set_seqno;
+       engine->irq_enable_mask =
                        GT_RENDER_USER_INTERRUPT << GEN8_VCS2_IRQ_SHIFT;
-       ring->irq_get = gen8_ring_get_irq;
-       ring->irq_put = gen8_ring_put_irq;
-       ring->dispatch_execbuffer =
+       engine->irq_get = gen8_ring_get_irq;
+       engine->irq_put = gen8_ring_put_irq;
+       engine->dispatch_execbuffer =
                        gen8_ring_dispatch_execbuffer;
        if (i915_semaphore_is_enabled(dev)) {
-               ring->semaphore.sync_to = gen8_ring_sync;
-               ring->semaphore.signal = gen8_xcs_signal;
-               GEN8_RING_SEMAPHORE_INIT;
+               engine->semaphore.sync_to = gen8_ring_sync;
+               engine->semaphore.signal = gen8_xcs_signal;
+               GEN8_RING_SEMAPHORE_INIT(engine);
        }
-       ring->init_hw = init_ring_common;
+       engine->init_hw = init_ring_common;
 
-       return intel_init_ring_buffer(dev, ring);
+       return intel_init_ring_buffer(dev, engine);
 }
 
 int intel_init_blt_ring_buffer(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring = &dev_priv->ring[BCS];
-
-       ring->name = "blitter ring";
-       ring->id = BCS;
-       ring->exec_id = I915_EXEC_BLT;
-
-       ring->mmio_base = BLT_RING_BASE;
-       ring->write_tail = ring_write_tail;
-       ring->flush = gen6_ring_flush;
-       ring->add_request = gen6_add_request;
-       ring->get_seqno = gen6_ring_get_seqno;
-       ring->set_seqno = ring_set_seqno;
+       struct intel_engine_cs *engine = &dev_priv->ring[BCS];
+
+       engine->name = "blitter ring";
+       engine->id = BCS;
+       engine->exec_id = I915_EXEC_BLT;
+
+       engine->mmio_base = BLT_RING_BASE;
+       engine->write_tail = ring_write_tail;
+       engine->flush = gen6_ring_flush;
+       engine->add_request = gen6_add_request;
+       engine->get_seqno = gen6_ring_get_seqno;
+       engine->set_seqno = ring_set_seqno;
        if (INTEL_INFO(dev)->gen >= 8) {
-               ring->irq_enable_mask =
+               engine->irq_enable_mask =
                        GT_RENDER_USER_INTERRUPT << GEN8_BCS_IRQ_SHIFT;
-               ring->irq_get = gen8_ring_get_irq;
-               ring->irq_put = gen8_ring_put_irq;
-               ring->dispatch_execbuffer = gen8_ring_dispatch_execbuffer;
+               engine->irq_get = gen8_ring_get_irq;
+               engine->irq_put = gen8_ring_put_irq;
+               engine->dispatch_execbuffer = gen8_ring_dispatch_execbuffer;
                if (i915_semaphore_is_enabled(dev)) {
-                       ring->semaphore.sync_to = gen8_ring_sync;
-                       ring->semaphore.signal = gen8_xcs_signal;
-                       GEN8_RING_SEMAPHORE_INIT;
+                       engine->semaphore.sync_to = gen8_ring_sync;
+                       engine->semaphore.signal = gen8_xcs_signal;
+                       GEN8_RING_SEMAPHORE_INIT(engine);
                }
        } else {
-               ring->irq_enable_mask = GT_BLT_USER_INTERRUPT;
-               ring->irq_get = gen6_ring_get_irq;
-               ring->irq_put = gen6_ring_put_irq;
-               ring->dispatch_execbuffer = gen6_ring_dispatch_execbuffer;
+               engine->irq_enable_mask = GT_BLT_USER_INTERRUPT;
+               engine->irq_get = gen6_ring_get_irq;
+               engine->irq_put = gen6_ring_put_irq;
+               engine->dispatch_execbuffer = gen6_ring_dispatch_execbuffer;
                if (i915_semaphore_is_enabled(dev)) {
-                       ring->semaphore.signal = gen6_signal;
-                       ring->semaphore.sync_to = gen6_ring_sync;
+                       engine->semaphore.signal = gen6_signal;
+                       engine->semaphore.sync_to = gen6_ring_sync;
                        /*
                         * The current semaphore is only applied on pre-gen8
                         * platform.  And there is no VCS2 ring on the pre-gen8
@@ -3038,112 +3047,112 @@ int intel_init_blt_ring_buffer(struct drm_device *dev)
                         * initialized as INVALID.  Gen8 will initialize the
                         * sema between BCS and VCS2 later.
                         */
-                       ring->semaphore.mbox.wait[RCS] = MI_SEMAPHORE_SYNC_BR;
-                       ring->semaphore.mbox.wait[VCS] = MI_SEMAPHORE_SYNC_BV;
-                       ring->semaphore.mbox.wait[BCS] = MI_SEMAPHORE_SYNC_INVALID;
-                       ring->semaphore.mbox.wait[VECS] = MI_SEMAPHORE_SYNC_BVE;
-                       ring->semaphore.mbox.wait[VCS2] = MI_SEMAPHORE_SYNC_INVALID;
-                       ring->semaphore.mbox.signal[RCS] = GEN6_RBSYNC;
-                       ring->semaphore.mbox.signal[VCS] = GEN6_VBSYNC;
-                       ring->semaphore.mbox.signal[BCS] = GEN6_NOSYNC;
-                       ring->semaphore.mbox.signal[VECS] = GEN6_VEBSYNC;
-                       ring->semaphore.mbox.signal[VCS2] = GEN6_NOSYNC;
+                       engine->semaphore.mbox.wait[RCS] = MI_SEMAPHORE_SYNC_BR;
+                       engine->semaphore.mbox.wait[VCS] = MI_SEMAPHORE_SYNC_BV;
+                       engine->semaphore.mbox.wait[BCS] = MI_SEMAPHORE_SYNC_INVALID;
+                       engine->semaphore.mbox.wait[VECS] = MI_SEMAPHORE_SYNC_BVE;
+                       engine->semaphore.mbox.wait[VCS2] = MI_SEMAPHORE_SYNC_INVALID;
+                       engine->semaphore.mbox.signal[RCS] = GEN6_RBSYNC;
+                       engine->semaphore.mbox.signal[VCS] = GEN6_VBSYNC;
+                       engine->semaphore.mbox.signal[BCS] = GEN6_NOSYNC;
+                       engine->semaphore.mbox.signal[VECS] = GEN6_VEBSYNC;
+                       engine->semaphore.mbox.signal[VCS2] = GEN6_NOSYNC;
                }
        }
-       ring->init_hw = init_ring_common;
+       engine->init_hw = init_ring_common;
 
-       return intel_init_ring_buffer(dev, ring);
+       return intel_init_ring_buffer(dev, engine);
 }
 
 int intel_init_vebox_ring_buffer(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_engine_cs *ring = &dev_priv->ring[VECS];
+       struct intel_engine_cs *engine = &dev_priv->ring[VECS];
 
-       ring->name = "video enhancement ring";
-       ring->id = VECS;
-       ring->exec_id = I915_EXEC_VEBOX;
+       engine->name = "video enhancement ring";
+       engine->id = VECS;
+       engine->exec_id = I915_EXEC_VEBOX;
 
-       ring->mmio_base = VEBOX_RING_BASE;
-       ring->write_tail = ring_write_tail;
-       ring->flush = gen6_ring_flush;
-       ring->add_request = gen6_add_request;
-       ring->get_seqno = gen6_ring_get_seqno;
-       ring->set_seqno = ring_set_seqno;
+       engine->mmio_base = VEBOX_RING_BASE;
+       engine->write_tail = ring_write_tail;
+       engine->flush = gen6_ring_flush;
+       engine->add_request = gen6_add_request;
+       engine->get_seqno = gen6_ring_get_seqno;
+       engine->set_seqno = ring_set_seqno;
 
        if (INTEL_INFO(dev)->gen >= 8) {
-               ring->irq_enable_mask =
+               engine->irq_enable_mask =
                        GT_RENDER_USER_INTERRUPT << GEN8_VECS_IRQ_SHIFT;
-               ring->irq_get = gen8_ring_get_irq;
-               ring->irq_put = gen8_ring_put_irq;
-               ring->dispatch_execbuffer = gen8_ring_dispatch_execbuffer;
+               engine->irq_get = gen8_ring_get_irq;
+               engine->irq_put = gen8_ring_put_irq;
+               engine->dispatch_execbuffer = gen8_ring_dispatch_execbuffer;
                if (i915_semaphore_is_enabled(dev)) {
-                       ring->semaphore.sync_to = gen8_ring_sync;
-                       ring->semaphore.signal = gen8_xcs_signal;
-                       GEN8_RING_SEMAPHORE_INIT;
+                       engine->semaphore.sync_to = gen8_ring_sync;
+                       engine->semaphore.signal = gen8_xcs_signal;
+                       GEN8_RING_SEMAPHORE_INIT(engine);
                }
        } else {
-               ring->irq_enable_mask = PM_VEBOX_USER_INTERRUPT;
-               ring->irq_get = hsw_vebox_get_irq;
-               ring->irq_put = hsw_vebox_put_irq;
-               ring->dispatch_execbuffer = gen6_ring_dispatch_execbuffer;
+               engine->irq_enable_mask = PM_VEBOX_USER_INTERRUPT;
+               engine->irq_get = hsw_vebox_get_irq;
+               engine->irq_put = hsw_vebox_put_irq;
+               engine->dispatch_execbuffer = gen6_ring_dispatch_execbuffer;
                if (i915_semaphore_is_enabled(dev)) {
-                       ring->semaphore.sync_to = gen6_ring_sync;
-                       ring->semaphore.signal = gen6_signal;
-                       ring->semaphore.mbox.wait[RCS] = MI_SEMAPHORE_SYNC_VER;
-                       ring->semaphore.mbox.wait[VCS] = MI_SEMAPHORE_SYNC_VEV;
-                       ring->semaphore.mbox.wait[BCS] = MI_SEMAPHORE_SYNC_VEB;
-                       ring->semaphore.mbox.wait[VECS] = MI_SEMAPHORE_SYNC_INVALID;
-                       ring->semaphore.mbox.wait[VCS2] = MI_SEMAPHORE_SYNC_INVALID;
-                       ring->semaphore.mbox.signal[RCS] = GEN6_RVESYNC;
-                       ring->semaphore.mbox.signal[VCS] = GEN6_VVESYNC;
-                       ring->semaphore.mbox.signal[BCS] = GEN6_BVESYNC;
-                       ring->semaphore.mbox.signal[VECS] = GEN6_NOSYNC;
-                       ring->semaphore.mbox.signal[VCS2] = GEN6_NOSYNC;
+                       engine->semaphore.sync_to = gen6_ring_sync;
+                       engine->semaphore.signal = gen6_signal;
+                       engine->semaphore.mbox.wait[RCS] = MI_SEMAPHORE_SYNC_VER;
+                       engine->semaphore.mbox.wait[VCS] = MI_SEMAPHORE_SYNC_VEV;
+                       engine->semaphore.mbox.wait[BCS] = MI_SEMAPHORE_SYNC_VEB;
+                       engine->semaphore.mbox.wait[VECS] = MI_SEMAPHORE_SYNC_INVALID;
+                       engine->semaphore.mbox.wait[VCS2] = MI_SEMAPHORE_SYNC_INVALID;
+                       engine->semaphore.mbox.signal[RCS] = GEN6_RVESYNC;
+                       engine->semaphore.mbox.signal[VCS] = GEN6_VVESYNC;
+                       engine->semaphore.mbox.signal[BCS] = GEN6_BVESYNC;
+                       engine->semaphore.mbox.signal[VECS] = GEN6_NOSYNC;
+                       engine->semaphore.mbox.signal[VCS2] = GEN6_NOSYNC;
                }
        }
-       ring->init_hw = init_ring_common;
+       engine->init_hw = init_ring_common;
 
-       return intel_init_ring_buffer(dev, ring);
+       return intel_init_ring_buffer(dev, engine);
 }
 
 int
 intel_ring_flush_all_caches(struct drm_i915_gem_request *req)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        int ret;
 
-       if (!ring->gpu_caches_dirty)
+       if (!engine->gpu_caches_dirty)
                return 0;
 
-       ret = ring->flush(req, 0, I915_GEM_GPU_DOMAINS);
+       ret = engine->flush(req, 0, I915_GEM_GPU_DOMAINS);
        if (ret)
                return ret;
 
        trace_i915_gem_ring_flush(req, 0, I915_GEM_GPU_DOMAINS);
 
-       ring->gpu_caches_dirty = false;
+       engine->gpu_caches_dirty = false;
        return 0;
 }
 
 int
 intel_ring_invalidate_all_caches(struct drm_i915_gem_request *req)
 {
-       struct intel_engine_cs *ring = req->ring;
+       struct intel_engine_cs *engine = req->ring;
        uint32_t flush_domains;
        int ret;
 
        flush_domains = 0;
-       if (ring->gpu_caches_dirty)
+       if (engine->gpu_caches_dirty)
                flush_domains = I915_GEM_GPU_DOMAINS;
 
-       ret = ring->flush(req, I915_GEM_GPU_DOMAINS, flush_domains);
+       ret = engine->flush(req, I915_GEM_GPU_DOMAINS, flush_domains);
        if (ret)
                return ret;
 
        trace_i915_gem_ring_flush(req, I915_GEM_GPU_DOMAINS, flush_domains);
 
-       ring->gpu_caches_dirty = false;
+       engine->gpu_caches_dirty = false;
        return 0;
 }
 
index 4b1439deb7fe76180865acb15ac49a4c04d768db..24efb57dcd7d862458582d024136c3e28a199e89 100644 (file)
@@ -63,16 +63,16 @@ struct  intel_hw_status_page {
        ((from) * I915_NUM_RINGS * i915_semaphore_seqno_size) + \
        (i915_semaphore_seqno_size * (__ring)->id))
 
-#define GEN8_RING_SEMAPHORE_INIT do { \
+#define GEN8_RING_SEMAPHORE_INIT(e) do { \
        if (!dev_priv->semaphore_obj) { \
                break; \
        } \
-       ring->semaphore.signal_ggtt[RCS] = GEN8_SIGNAL_OFFSET(ring, RCS); \
-       ring->semaphore.signal_ggtt[VCS] = GEN8_SIGNAL_OFFSET(ring, VCS); \
-       ring->semaphore.signal_ggtt[BCS] = GEN8_SIGNAL_OFFSET(ring, BCS); \
-       ring->semaphore.signal_ggtt[VECS] = GEN8_SIGNAL_OFFSET(ring, VECS); \
-       ring->semaphore.signal_ggtt[VCS2] = GEN8_SIGNAL_OFFSET(ring, VCS2); \
-       ring->semaphore.signal_ggtt[ring->id] = MI_SEMAPHORE_SYNC_INVALID; \
+       (e)->semaphore.signal_ggtt[RCS] = GEN8_SIGNAL_OFFSET((e), RCS); \
+       (e)->semaphore.signal_ggtt[VCS] = GEN8_SIGNAL_OFFSET((e), VCS); \
+       (e)->semaphore.signal_ggtt[BCS] = GEN8_SIGNAL_OFFSET((e), BCS); \
+       (e)->semaphore.signal_ggtt[VECS] = GEN8_SIGNAL_OFFSET((e), VECS); \
+       (e)->semaphore.signal_ggtt[VCS2] = GEN8_SIGNAL_OFFSET((e), VCS2); \
+       (e)->semaphore.signal_ggtt[(e)->id] = MI_SEMAPHORE_SYNC_INVALID; \
        } while(0)
 
 enum intel_ring_hangcheck_action {