2 * Copyright © 2008 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24 * Eric Anholt <eric@anholt.net>
25 * Keith Packard <keithp@keithp.com>
29 #include <linux/debugfs.h>
30 #include <linux/sort.h>
31 #include <linux/sched/mm.h>
32 #include "intel_drv.h"
33 #include "i915_guc_submission.h"
35 static inline struct drm_i915_private
*node_to_i915(struct drm_info_node
*node
)
37 return to_i915(node
->minor
->dev
);
40 static __always_inline
void seq_print_param(struct seq_file
*m
,
45 if (!__builtin_strcmp(type
, "bool"))
46 seq_printf(m
, "i915.%s=%s\n", name
, yesno(*(const bool *)x
));
47 else if (!__builtin_strcmp(type
, "int"))
48 seq_printf(m
, "i915.%s=%d\n", name
, *(const int *)x
);
49 else if (!__builtin_strcmp(type
, "unsigned int"))
50 seq_printf(m
, "i915.%s=%u\n", name
, *(const unsigned int *)x
);
51 else if (!__builtin_strcmp(type
, "char *"))
52 seq_printf(m
, "i915.%s=%s\n", name
, *(const char **)x
);
57 static int i915_capabilities(struct seq_file
*m
, void *data
)
59 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
60 const struct intel_device_info
*info
= INTEL_INFO(dev_priv
);
62 seq_printf(m
, "gen: %d\n", INTEL_GEN(dev_priv
));
63 seq_printf(m
, "platform: %s\n", intel_platform_name(info
->platform
));
64 seq_printf(m
, "pch: %d\n", INTEL_PCH_TYPE(dev_priv
));
66 #define PRINT_FLAG(x) seq_printf(m, #x ": %s\n", yesno(info->x))
67 DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG
);
70 kernel_param_lock(THIS_MODULE
);
71 #define PRINT_PARAM(T, x, ...) seq_print_param(m, #x, #T, &i915_modparams.x);
72 I915_PARAMS_FOR_EACH(PRINT_PARAM
);
74 kernel_param_unlock(THIS_MODULE
);
79 static char get_active_flag(struct drm_i915_gem_object
*obj
)
81 return i915_gem_object_is_active(obj
) ? '*' : ' ';
84 static char get_pin_flag(struct drm_i915_gem_object
*obj
)
86 return obj
->pin_global
? 'p' : ' ';
89 static char get_tiling_flag(struct drm_i915_gem_object
*obj
)
91 switch (i915_gem_object_get_tiling(obj
)) {
93 case I915_TILING_NONE
: return ' ';
94 case I915_TILING_X
: return 'X';
95 case I915_TILING_Y
: return 'Y';
99 static char get_global_flag(struct drm_i915_gem_object
*obj
)
101 return obj
->userfault_count
? 'g' : ' ';
104 static char get_pin_mapped_flag(struct drm_i915_gem_object
*obj
)
106 return obj
->mm
.mapping
? 'M' : ' ';
109 static u64
i915_gem_obj_total_ggtt_size(struct drm_i915_gem_object
*obj
)
112 struct i915_vma
*vma
;
114 list_for_each_entry(vma
, &obj
->vma_list
, obj_link
) {
115 if (i915_vma_is_ggtt(vma
) && drm_mm_node_allocated(&vma
->node
))
116 size
+= vma
->node
.size
;
123 stringify_page_sizes(unsigned int page_sizes
, char *buf
, size_t len
)
127 switch (page_sizes
) {
130 case I915_GTT_PAGE_SIZE_4K
:
132 case I915_GTT_PAGE_SIZE_64K
:
134 case I915_GTT_PAGE_SIZE_2M
:
140 if (page_sizes
& I915_GTT_PAGE_SIZE_2M
)
141 x
+= snprintf(buf
+ x
, len
- x
, "2M, ");
142 if (page_sizes
& I915_GTT_PAGE_SIZE_64K
)
143 x
+= snprintf(buf
+ x
, len
- x
, "64K, ");
144 if (page_sizes
& I915_GTT_PAGE_SIZE_4K
)
145 x
+= snprintf(buf
+ x
, len
- x
, "4K, ");
153 describe_obj(struct seq_file
*m
, struct drm_i915_gem_object
*obj
)
155 struct drm_i915_private
*dev_priv
= to_i915(obj
->base
.dev
);
156 struct intel_engine_cs
*engine
;
157 struct i915_vma
*vma
;
158 unsigned int frontbuffer_bits
;
161 lockdep_assert_held(&obj
->base
.dev
->struct_mutex
);
163 seq_printf(m
, "%pK: %c%c%c%c%c %8zdKiB %02x %02x %s%s%s",
165 get_active_flag(obj
),
167 get_tiling_flag(obj
),
168 get_global_flag(obj
),
169 get_pin_mapped_flag(obj
),
170 obj
->base
.size
/ 1024,
171 obj
->base
.read_domains
,
172 obj
->base
.write_domain
,
173 i915_cache_level_str(dev_priv
, obj
->cache_level
),
174 obj
->mm
.dirty
? " dirty" : "",
175 obj
->mm
.madv
== I915_MADV_DONTNEED
? " purgeable" : "");
177 seq_printf(m
, " (name: %d)", obj
->base
.name
);
178 list_for_each_entry(vma
, &obj
->vma_list
, obj_link
) {
179 if (i915_vma_is_pinned(vma
))
182 seq_printf(m
, " (pinned x %d)", pin_count
);
184 seq_printf(m
, " (global)");
185 list_for_each_entry(vma
, &obj
->vma_list
, obj_link
) {
186 if (!drm_mm_node_allocated(&vma
->node
))
189 seq_printf(m
, " (%sgtt offset: %08llx, size: %08llx, pages: %s",
190 i915_vma_is_ggtt(vma
) ? "g" : "pp",
191 vma
->node
.start
, vma
->node
.size
,
192 stringify_page_sizes(vma
->page_sizes
.gtt
, NULL
, 0));
193 if (i915_vma_is_ggtt(vma
)) {
194 switch (vma
->ggtt_view
.type
) {
195 case I915_GGTT_VIEW_NORMAL
:
196 seq_puts(m
, ", normal");
199 case I915_GGTT_VIEW_PARTIAL
:
200 seq_printf(m
, ", partial [%08llx+%x]",
201 vma
->ggtt_view
.partial
.offset
<< PAGE_SHIFT
,
202 vma
->ggtt_view
.partial
.size
<< PAGE_SHIFT
);
205 case I915_GGTT_VIEW_ROTATED
:
206 seq_printf(m
, ", rotated [(%ux%u, stride=%u, offset=%u), (%ux%u, stride=%u, offset=%u)]",
207 vma
->ggtt_view
.rotated
.plane
[0].width
,
208 vma
->ggtt_view
.rotated
.plane
[0].height
,
209 vma
->ggtt_view
.rotated
.plane
[0].stride
,
210 vma
->ggtt_view
.rotated
.plane
[0].offset
,
211 vma
->ggtt_view
.rotated
.plane
[1].width
,
212 vma
->ggtt_view
.rotated
.plane
[1].height
,
213 vma
->ggtt_view
.rotated
.plane
[1].stride
,
214 vma
->ggtt_view
.rotated
.plane
[1].offset
);
218 MISSING_CASE(vma
->ggtt_view
.type
);
223 seq_printf(m
, " , fence: %d%s",
225 i915_gem_active_isset(&vma
->last_fence
) ? "*" : "");
229 seq_printf(m
, " (stolen: %08llx)", obj
->stolen
->start
);
231 engine
= i915_gem_object_last_write_engine(obj
);
233 seq_printf(m
, " (%s)", engine
->name
);
235 frontbuffer_bits
= atomic_read(&obj
->frontbuffer_bits
);
236 if (frontbuffer_bits
)
237 seq_printf(m
, " (frontbuffer: 0x%03x)", frontbuffer_bits
);
240 static int obj_rank_by_stolen(const void *A
, const void *B
)
242 const struct drm_i915_gem_object
*a
=
243 *(const struct drm_i915_gem_object
**)A
;
244 const struct drm_i915_gem_object
*b
=
245 *(const struct drm_i915_gem_object
**)B
;
247 if (a
->stolen
->start
< b
->stolen
->start
)
249 if (a
->stolen
->start
> b
->stolen
->start
)
254 static int i915_gem_stolen_list_info(struct seq_file
*m
, void *data
)
256 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
257 struct drm_device
*dev
= &dev_priv
->drm
;
258 struct drm_i915_gem_object
**objects
;
259 struct drm_i915_gem_object
*obj
;
260 u64 total_obj_size
, total_gtt_size
;
261 unsigned long total
, count
, n
;
264 total
= READ_ONCE(dev_priv
->mm
.object_count
);
265 objects
= kvmalloc_array(total
, sizeof(*objects
), GFP_KERNEL
);
269 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
273 total_obj_size
= total_gtt_size
= count
= 0;
275 spin_lock(&dev_priv
->mm
.obj_lock
);
276 list_for_each_entry(obj
, &dev_priv
->mm
.bound_list
, mm
.link
) {
280 if (obj
->stolen
== NULL
)
283 objects
[count
++] = obj
;
284 total_obj_size
+= obj
->base
.size
;
285 total_gtt_size
+= i915_gem_obj_total_ggtt_size(obj
);
288 list_for_each_entry(obj
, &dev_priv
->mm
.unbound_list
, mm
.link
) {
292 if (obj
->stolen
== NULL
)
295 objects
[count
++] = obj
;
296 total_obj_size
+= obj
->base
.size
;
298 spin_unlock(&dev_priv
->mm
.obj_lock
);
300 sort(objects
, count
, sizeof(*objects
), obj_rank_by_stolen
, NULL
);
302 seq_puts(m
, "Stolen:\n");
303 for (n
= 0; n
< count
; n
++) {
305 describe_obj(m
, objects
[n
]);
308 seq_printf(m
, "Total %lu objects, %llu bytes, %llu GTT size\n",
309 count
, total_obj_size
, total_gtt_size
);
311 mutex_unlock(&dev
->struct_mutex
);
318 struct drm_i915_file_private
*file_priv
;
322 u64 active
, inactive
;
325 static int per_file_stats(int id
, void *ptr
, void *data
)
327 struct drm_i915_gem_object
*obj
= ptr
;
328 struct file_stats
*stats
= data
;
329 struct i915_vma
*vma
;
331 lockdep_assert_held(&obj
->base
.dev
->struct_mutex
);
334 stats
->total
+= obj
->base
.size
;
335 if (!obj
->bind_count
)
336 stats
->unbound
+= obj
->base
.size
;
337 if (obj
->base
.name
|| obj
->base
.dma_buf
)
338 stats
->shared
+= obj
->base
.size
;
340 list_for_each_entry(vma
, &obj
->vma_list
, obj_link
) {
341 if (!drm_mm_node_allocated(&vma
->node
))
344 if (i915_vma_is_ggtt(vma
)) {
345 stats
->global
+= vma
->node
.size
;
347 struct i915_hw_ppgtt
*ppgtt
= i915_vm_to_ppgtt(vma
->vm
);
349 if (ppgtt
->base
.file
!= stats
->file_priv
)
353 if (i915_vma_is_active(vma
))
354 stats
->active
+= vma
->node
.size
;
356 stats
->inactive
+= vma
->node
.size
;
362 #define print_file_stats(m, name, stats) do { \
364 seq_printf(m, "%s: %lu objects, %llu bytes (%llu active, %llu inactive, %llu global, %llu shared, %llu unbound)\n", \
375 static void print_batch_pool_stats(struct seq_file
*m
,
376 struct drm_i915_private
*dev_priv
)
378 struct drm_i915_gem_object
*obj
;
379 struct file_stats stats
;
380 struct intel_engine_cs
*engine
;
381 enum intel_engine_id id
;
384 memset(&stats
, 0, sizeof(stats
));
386 for_each_engine(engine
, dev_priv
, id
) {
387 for (j
= 0; j
< ARRAY_SIZE(engine
->batch_pool
.cache_list
); j
++) {
388 list_for_each_entry(obj
,
389 &engine
->batch_pool
.cache_list
[j
],
391 per_file_stats(0, obj
, &stats
);
395 print_file_stats(m
, "[k]batch pool", stats
);
398 static int per_file_ctx_stats(int id
, void *ptr
, void *data
)
400 struct i915_gem_context
*ctx
= ptr
;
403 for (n
= 0; n
< ARRAY_SIZE(ctx
->engine
); n
++) {
404 if (ctx
->engine
[n
].state
)
405 per_file_stats(0, ctx
->engine
[n
].state
->obj
, data
);
406 if (ctx
->engine
[n
].ring
)
407 per_file_stats(0, ctx
->engine
[n
].ring
->vma
->obj
, data
);
413 static void print_context_stats(struct seq_file
*m
,
414 struct drm_i915_private
*dev_priv
)
416 struct drm_device
*dev
= &dev_priv
->drm
;
417 struct file_stats stats
;
418 struct drm_file
*file
;
420 memset(&stats
, 0, sizeof(stats
));
422 mutex_lock(&dev
->struct_mutex
);
423 if (dev_priv
->kernel_context
)
424 per_file_ctx_stats(0, dev_priv
->kernel_context
, &stats
);
426 list_for_each_entry(file
, &dev
->filelist
, lhead
) {
427 struct drm_i915_file_private
*fpriv
= file
->driver_priv
;
428 idr_for_each(&fpriv
->context_idr
, per_file_ctx_stats
, &stats
);
430 mutex_unlock(&dev
->struct_mutex
);
432 print_file_stats(m
, "[k]contexts", stats
);
435 static int i915_gem_object_info(struct seq_file
*m
, void *data
)
437 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
438 struct drm_device
*dev
= &dev_priv
->drm
;
439 struct i915_ggtt
*ggtt
= &dev_priv
->ggtt
;
440 u32 count
, mapped_count
, purgeable_count
, dpy_count
, huge_count
;
441 u64 size
, mapped_size
, purgeable_size
, dpy_size
, huge_size
;
442 struct drm_i915_gem_object
*obj
;
443 unsigned int page_sizes
= 0;
444 struct drm_file
*file
;
448 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
452 seq_printf(m
, "%u objects, %llu bytes\n",
453 dev_priv
->mm
.object_count
,
454 dev_priv
->mm
.object_memory
);
457 mapped_size
= mapped_count
= 0;
458 purgeable_size
= purgeable_count
= 0;
459 huge_size
= huge_count
= 0;
461 spin_lock(&dev_priv
->mm
.obj_lock
);
462 list_for_each_entry(obj
, &dev_priv
->mm
.unbound_list
, mm
.link
) {
463 size
+= obj
->base
.size
;
466 if (obj
->mm
.madv
== I915_MADV_DONTNEED
) {
467 purgeable_size
+= obj
->base
.size
;
471 if (obj
->mm
.mapping
) {
473 mapped_size
+= obj
->base
.size
;
476 if (obj
->mm
.page_sizes
.sg
> I915_GTT_PAGE_SIZE
) {
478 huge_size
+= obj
->base
.size
;
479 page_sizes
|= obj
->mm
.page_sizes
.sg
;
482 seq_printf(m
, "%u unbound objects, %llu bytes\n", count
, size
);
484 size
= count
= dpy_size
= dpy_count
= 0;
485 list_for_each_entry(obj
, &dev_priv
->mm
.bound_list
, mm
.link
) {
486 size
+= obj
->base
.size
;
489 if (obj
->pin_global
) {
490 dpy_size
+= obj
->base
.size
;
494 if (obj
->mm
.madv
== I915_MADV_DONTNEED
) {
495 purgeable_size
+= obj
->base
.size
;
499 if (obj
->mm
.mapping
) {
501 mapped_size
+= obj
->base
.size
;
504 if (obj
->mm
.page_sizes
.sg
> I915_GTT_PAGE_SIZE
) {
506 huge_size
+= obj
->base
.size
;
507 page_sizes
|= obj
->mm
.page_sizes
.sg
;
510 spin_unlock(&dev_priv
->mm
.obj_lock
);
512 seq_printf(m
, "%u bound objects, %llu bytes\n",
514 seq_printf(m
, "%u purgeable objects, %llu bytes\n",
515 purgeable_count
, purgeable_size
);
516 seq_printf(m
, "%u mapped objects, %llu bytes\n",
517 mapped_count
, mapped_size
);
518 seq_printf(m
, "%u huge-paged objects (%s) %llu bytes\n",
520 stringify_page_sizes(page_sizes
, buf
, sizeof(buf
)),
522 seq_printf(m
, "%u display objects (globally pinned), %llu bytes\n",
523 dpy_count
, dpy_size
);
525 seq_printf(m
, "%llu [%llu] gtt total\n",
526 ggtt
->base
.total
, ggtt
->mappable_end
);
527 seq_printf(m
, "Supported page sizes: %s\n",
528 stringify_page_sizes(INTEL_INFO(dev_priv
)->page_sizes
,
532 print_batch_pool_stats(m
, dev_priv
);
533 mutex_unlock(&dev
->struct_mutex
);
535 mutex_lock(&dev
->filelist_mutex
);
536 print_context_stats(m
, dev_priv
);
537 list_for_each_entry_reverse(file
, &dev
->filelist
, lhead
) {
538 struct file_stats stats
;
539 struct drm_i915_file_private
*file_priv
= file
->driver_priv
;
540 struct drm_i915_gem_request
*request
;
541 struct task_struct
*task
;
543 mutex_lock(&dev
->struct_mutex
);
545 memset(&stats
, 0, sizeof(stats
));
546 stats
.file_priv
= file
->driver_priv
;
547 spin_lock(&file
->table_lock
);
548 idr_for_each(&file
->object_idr
, per_file_stats
, &stats
);
549 spin_unlock(&file
->table_lock
);
551 * Although we have a valid reference on file->pid, that does
552 * not guarantee that the task_struct who called get_pid() is
553 * still alive (e.g. get_pid(current) => fork() => exit()).
554 * Therefore, we need to protect this ->comm access using RCU.
556 request
= list_first_entry_or_null(&file_priv
->mm
.request_list
,
557 struct drm_i915_gem_request
,
560 task
= pid_task(request
&& request
->ctx
->pid
?
561 request
->ctx
->pid
: file
->pid
,
563 print_file_stats(m
, task
? task
->comm
: "<unknown>", stats
);
566 mutex_unlock(&dev
->struct_mutex
);
568 mutex_unlock(&dev
->filelist_mutex
);
573 static int i915_gem_gtt_info(struct seq_file
*m
, void *data
)
575 struct drm_info_node
*node
= m
->private;
576 struct drm_i915_private
*dev_priv
= node_to_i915(node
);
577 struct drm_device
*dev
= &dev_priv
->drm
;
578 struct drm_i915_gem_object
**objects
;
579 struct drm_i915_gem_object
*obj
;
580 u64 total_obj_size
, total_gtt_size
;
581 unsigned long nobject
, n
;
584 nobject
= READ_ONCE(dev_priv
->mm
.object_count
);
585 objects
= kvmalloc_array(nobject
, sizeof(*objects
), GFP_KERNEL
);
589 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
594 spin_lock(&dev_priv
->mm
.obj_lock
);
595 list_for_each_entry(obj
, &dev_priv
->mm
.bound_list
, mm
.link
) {
596 objects
[count
++] = obj
;
597 if (count
== nobject
)
600 spin_unlock(&dev_priv
->mm
.obj_lock
);
602 total_obj_size
= total_gtt_size
= 0;
603 for (n
= 0; n
< count
; n
++) {
607 describe_obj(m
, obj
);
609 total_obj_size
+= obj
->base
.size
;
610 total_gtt_size
+= i915_gem_obj_total_ggtt_size(obj
);
613 mutex_unlock(&dev
->struct_mutex
);
615 seq_printf(m
, "Total %d objects, %llu bytes, %llu GTT size\n",
616 count
, total_obj_size
, total_gtt_size
);
622 static int i915_gem_batch_pool_info(struct seq_file
*m
, void *data
)
624 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
625 struct drm_device
*dev
= &dev_priv
->drm
;
626 struct drm_i915_gem_object
*obj
;
627 struct intel_engine_cs
*engine
;
628 enum intel_engine_id id
;
632 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
636 for_each_engine(engine
, dev_priv
, id
) {
637 for (j
= 0; j
< ARRAY_SIZE(engine
->batch_pool
.cache_list
); j
++) {
641 list_for_each_entry(obj
,
642 &engine
->batch_pool
.cache_list
[j
],
645 seq_printf(m
, "%s cache[%d]: %d objects\n",
646 engine
->name
, j
, count
);
648 list_for_each_entry(obj
,
649 &engine
->batch_pool
.cache_list
[j
],
652 describe_obj(m
, obj
);
660 seq_printf(m
, "total: %d\n", total
);
662 mutex_unlock(&dev
->struct_mutex
);
667 static void i915_ring_seqno_info(struct seq_file
*m
,
668 struct intel_engine_cs
*engine
)
670 struct intel_breadcrumbs
*b
= &engine
->breadcrumbs
;
673 seq_printf(m
, "Current sequence (%s): %x\n",
674 engine
->name
, intel_engine_get_seqno(engine
));
676 spin_lock_irq(&b
->rb_lock
);
677 for (rb
= rb_first(&b
->waiters
); rb
; rb
= rb_next(rb
)) {
678 struct intel_wait
*w
= rb_entry(rb
, typeof(*w
), node
);
680 seq_printf(m
, "Waiting (%s): %s [%d] on %x\n",
681 engine
->name
, w
->tsk
->comm
, w
->tsk
->pid
, w
->seqno
);
683 spin_unlock_irq(&b
->rb_lock
);
686 static int i915_gem_seqno_info(struct seq_file
*m
, void *data
)
688 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
689 struct intel_engine_cs
*engine
;
690 enum intel_engine_id id
;
692 for_each_engine(engine
, dev_priv
, id
)
693 i915_ring_seqno_info(m
, engine
);
699 static int i915_interrupt_info(struct seq_file
*m
, void *data
)
701 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
702 struct intel_engine_cs
*engine
;
703 enum intel_engine_id id
;
706 intel_runtime_pm_get(dev_priv
);
708 if (IS_CHERRYVIEW(dev_priv
)) {
709 seq_printf(m
, "Master Interrupt Control:\t%08x\n",
710 I915_READ(GEN8_MASTER_IRQ
));
712 seq_printf(m
, "Display IER:\t%08x\n",
714 seq_printf(m
, "Display IIR:\t%08x\n",
716 seq_printf(m
, "Display IIR_RW:\t%08x\n",
717 I915_READ(VLV_IIR_RW
));
718 seq_printf(m
, "Display IMR:\t%08x\n",
720 for_each_pipe(dev_priv
, pipe
) {
721 enum intel_display_power_domain power_domain
;
723 power_domain
= POWER_DOMAIN_PIPE(pipe
);
724 if (!intel_display_power_get_if_enabled(dev_priv
,
726 seq_printf(m
, "Pipe %c power disabled\n",
731 seq_printf(m
, "Pipe %c stat:\t%08x\n",
733 I915_READ(PIPESTAT(pipe
)));
735 intel_display_power_put(dev_priv
, power_domain
);
738 intel_display_power_get(dev_priv
, POWER_DOMAIN_INIT
);
739 seq_printf(m
, "Port hotplug:\t%08x\n",
740 I915_READ(PORT_HOTPLUG_EN
));
741 seq_printf(m
, "DPFLIPSTAT:\t%08x\n",
742 I915_READ(VLV_DPFLIPSTAT
));
743 seq_printf(m
, "DPINVGTT:\t%08x\n",
744 I915_READ(DPINVGTT
));
745 intel_display_power_put(dev_priv
, POWER_DOMAIN_INIT
);
747 for (i
= 0; i
< 4; i
++) {
748 seq_printf(m
, "GT Interrupt IMR %d:\t%08x\n",
749 i
, I915_READ(GEN8_GT_IMR(i
)));
750 seq_printf(m
, "GT Interrupt IIR %d:\t%08x\n",
751 i
, I915_READ(GEN8_GT_IIR(i
)));
752 seq_printf(m
, "GT Interrupt IER %d:\t%08x\n",
753 i
, I915_READ(GEN8_GT_IER(i
)));
756 seq_printf(m
, "PCU interrupt mask:\t%08x\n",
757 I915_READ(GEN8_PCU_IMR
));
758 seq_printf(m
, "PCU interrupt identity:\t%08x\n",
759 I915_READ(GEN8_PCU_IIR
));
760 seq_printf(m
, "PCU interrupt enable:\t%08x\n",
761 I915_READ(GEN8_PCU_IER
));
762 } else if (INTEL_GEN(dev_priv
) >= 8) {
763 seq_printf(m
, "Master Interrupt Control:\t%08x\n",
764 I915_READ(GEN8_MASTER_IRQ
));
766 for (i
= 0; i
< 4; i
++) {
767 seq_printf(m
, "GT Interrupt IMR %d:\t%08x\n",
768 i
, I915_READ(GEN8_GT_IMR(i
)));
769 seq_printf(m
, "GT Interrupt IIR %d:\t%08x\n",
770 i
, I915_READ(GEN8_GT_IIR(i
)));
771 seq_printf(m
, "GT Interrupt IER %d:\t%08x\n",
772 i
, I915_READ(GEN8_GT_IER(i
)));
775 for_each_pipe(dev_priv
, pipe
) {
776 enum intel_display_power_domain power_domain
;
778 power_domain
= POWER_DOMAIN_PIPE(pipe
);
779 if (!intel_display_power_get_if_enabled(dev_priv
,
781 seq_printf(m
, "Pipe %c power disabled\n",
785 seq_printf(m
, "Pipe %c IMR:\t%08x\n",
787 I915_READ(GEN8_DE_PIPE_IMR(pipe
)));
788 seq_printf(m
, "Pipe %c IIR:\t%08x\n",
790 I915_READ(GEN8_DE_PIPE_IIR(pipe
)));
791 seq_printf(m
, "Pipe %c IER:\t%08x\n",
793 I915_READ(GEN8_DE_PIPE_IER(pipe
)));
795 intel_display_power_put(dev_priv
, power_domain
);
798 seq_printf(m
, "Display Engine port interrupt mask:\t%08x\n",
799 I915_READ(GEN8_DE_PORT_IMR
));
800 seq_printf(m
, "Display Engine port interrupt identity:\t%08x\n",
801 I915_READ(GEN8_DE_PORT_IIR
));
802 seq_printf(m
, "Display Engine port interrupt enable:\t%08x\n",
803 I915_READ(GEN8_DE_PORT_IER
));
805 seq_printf(m
, "Display Engine misc interrupt mask:\t%08x\n",
806 I915_READ(GEN8_DE_MISC_IMR
));
807 seq_printf(m
, "Display Engine misc interrupt identity:\t%08x\n",
808 I915_READ(GEN8_DE_MISC_IIR
));
809 seq_printf(m
, "Display Engine misc interrupt enable:\t%08x\n",
810 I915_READ(GEN8_DE_MISC_IER
));
812 seq_printf(m
, "PCU interrupt mask:\t%08x\n",
813 I915_READ(GEN8_PCU_IMR
));
814 seq_printf(m
, "PCU interrupt identity:\t%08x\n",
815 I915_READ(GEN8_PCU_IIR
));
816 seq_printf(m
, "PCU interrupt enable:\t%08x\n",
817 I915_READ(GEN8_PCU_IER
));
818 } else if (IS_VALLEYVIEW(dev_priv
)) {
819 seq_printf(m
, "Display IER:\t%08x\n",
821 seq_printf(m
, "Display IIR:\t%08x\n",
823 seq_printf(m
, "Display IIR_RW:\t%08x\n",
824 I915_READ(VLV_IIR_RW
));
825 seq_printf(m
, "Display IMR:\t%08x\n",
827 for_each_pipe(dev_priv
, pipe
) {
828 enum intel_display_power_domain power_domain
;
830 power_domain
= POWER_DOMAIN_PIPE(pipe
);
831 if (!intel_display_power_get_if_enabled(dev_priv
,
833 seq_printf(m
, "Pipe %c power disabled\n",
838 seq_printf(m
, "Pipe %c stat:\t%08x\n",
840 I915_READ(PIPESTAT(pipe
)));
841 intel_display_power_put(dev_priv
, power_domain
);
844 seq_printf(m
, "Master IER:\t%08x\n",
845 I915_READ(VLV_MASTER_IER
));
847 seq_printf(m
, "Render IER:\t%08x\n",
849 seq_printf(m
, "Render IIR:\t%08x\n",
851 seq_printf(m
, "Render IMR:\t%08x\n",
854 seq_printf(m
, "PM IER:\t\t%08x\n",
855 I915_READ(GEN6_PMIER
));
856 seq_printf(m
, "PM IIR:\t\t%08x\n",
857 I915_READ(GEN6_PMIIR
));
858 seq_printf(m
, "PM IMR:\t\t%08x\n",
859 I915_READ(GEN6_PMIMR
));
861 seq_printf(m
, "Port hotplug:\t%08x\n",
862 I915_READ(PORT_HOTPLUG_EN
));
863 seq_printf(m
, "DPFLIPSTAT:\t%08x\n",
864 I915_READ(VLV_DPFLIPSTAT
));
865 seq_printf(m
, "DPINVGTT:\t%08x\n",
866 I915_READ(DPINVGTT
));
868 } else if (!HAS_PCH_SPLIT(dev_priv
)) {
869 seq_printf(m
, "Interrupt enable: %08x\n",
871 seq_printf(m
, "Interrupt identity: %08x\n",
873 seq_printf(m
, "Interrupt mask: %08x\n",
875 for_each_pipe(dev_priv
, pipe
)
876 seq_printf(m
, "Pipe %c stat: %08x\n",
878 I915_READ(PIPESTAT(pipe
)));
880 seq_printf(m
, "North Display Interrupt enable: %08x\n",
882 seq_printf(m
, "North Display Interrupt identity: %08x\n",
884 seq_printf(m
, "North Display Interrupt mask: %08x\n",
886 seq_printf(m
, "South Display Interrupt enable: %08x\n",
888 seq_printf(m
, "South Display Interrupt identity: %08x\n",
890 seq_printf(m
, "South Display Interrupt mask: %08x\n",
892 seq_printf(m
, "Graphics Interrupt enable: %08x\n",
894 seq_printf(m
, "Graphics Interrupt identity: %08x\n",
896 seq_printf(m
, "Graphics Interrupt mask: %08x\n",
899 for_each_engine(engine
, dev_priv
, id
) {
900 if (INTEL_GEN(dev_priv
) >= 6) {
902 "Graphics Interrupt mask (%s): %08x\n",
903 engine
->name
, I915_READ_IMR(engine
));
905 i915_ring_seqno_info(m
, engine
);
907 intel_runtime_pm_put(dev_priv
);
912 static int i915_gem_fence_regs_info(struct seq_file
*m
, void *data
)
914 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
915 struct drm_device
*dev
= &dev_priv
->drm
;
918 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
922 seq_printf(m
, "Total fences = %d\n", dev_priv
->num_fence_regs
);
923 for (i
= 0; i
< dev_priv
->num_fence_regs
; i
++) {
924 struct i915_vma
*vma
= dev_priv
->fence_regs
[i
].vma
;
926 seq_printf(m
, "Fence %d, pin count = %d, object = ",
927 i
, dev_priv
->fence_regs
[i
].pin_count
);
929 seq_puts(m
, "unused");
931 describe_obj(m
, vma
->obj
);
935 mutex_unlock(&dev
->struct_mutex
);
939 #if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR)
940 static ssize_t
gpu_state_read(struct file
*file
, char __user
*ubuf
,
941 size_t count
, loff_t
*pos
)
943 struct i915_gpu_state
*error
= file
->private_data
;
944 struct drm_i915_error_state_buf str
;
951 ret
= i915_error_state_buf_init(&str
, error
->i915
, count
, *pos
);
955 ret
= i915_error_state_to_str(&str
, error
);
960 ret
= simple_read_from_buffer(ubuf
, count
, &tmp
, str
.buf
, str
.bytes
);
964 *pos
= str
.start
+ ret
;
966 i915_error_state_buf_release(&str
);
970 static int gpu_state_release(struct inode
*inode
, struct file
*file
)
972 i915_gpu_state_put(file
->private_data
);
976 static int i915_gpu_info_open(struct inode
*inode
, struct file
*file
)
978 struct drm_i915_private
*i915
= inode
->i_private
;
979 struct i915_gpu_state
*gpu
;
981 intel_runtime_pm_get(i915
);
982 gpu
= i915_capture_gpu_state(i915
);
983 intel_runtime_pm_put(i915
);
987 file
->private_data
= gpu
;
991 static const struct file_operations i915_gpu_info_fops
= {
992 .owner
= THIS_MODULE
,
993 .open
= i915_gpu_info_open
,
994 .read
= gpu_state_read
,
995 .llseek
= default_llseek
,
996 .release
= gpu_state_release
,
1000 i915_error_state_write(struct file
*filp
,
1001 const char __user
*ubuf
,
1005 struct i915_gpu_state
*error
= filp
->private_data
;
1010 DRM_DEBUG_DRIVER("Resetting error state\n");
1011 i915_reset_error_state(error
->i915
);
1016 static int i915_error_state_open(struct inode
*inode
, struct file
*file
)
1018 file
->private_data
= i915_first_error_state(inode
->i_private
);
1022 static const struct file_operations i915_error_state_fops
= {
1023 .owner
= THIS_MODULE
,
1024 .open
= i915_error_state_open
,
1025 .read
= gpu_state_read
,
1026 .write
= i915_error_state_write
,
1027 .llseek
= default_llseek
,
1028 .release
= gpu_state_release
,
1033 i915_next_seqno_set(void *data
, u64 val
)
1035 struct drm_i915_private
*dev_priv
= data
;
1036 struct drm_device
*dev
= &dev_priv
->drm
;
1039 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1043 ret
= i915_gem_set_global_seqno(dev
, val
);
1044 mutex_unlock(&dev
->struct_mutex
);
1049 DEFINE_SIMPLE_ATTRIBUTE(i915_next_seqno_fops
,
1050 NULL
, i915_next_seqno_set
,
1053 static int i915_frequency_info(struct seq_file
*m
, void *unused
)
1055 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
1056 struct intel_rps
*rps
= &dev_priv
->gt_pm
.rps
;
1059 intel_runtime_pm_get(dev_priv
);
1061 if (IS_GEN5(dev_priv
)) {
1062 u16 rgvswctl
= I915_READ16(MEMSWCTL
);
1063 u16 rgvstat
= I915_READ16(MEMSTAT_ILK
);
1065 seq_printf(m
, "Requested P-state: %d\n", (rgvswctl
>> 8) & 0xf);
1066 seq_printf(m
, "Requested VID: %d\n", rgvswctl
& 0x3f);
1067 seq_printf(m
, "Current VID: %d\n", (rgvstat
& MEMSTAT_VID_MASK
) >>
1069 seq_printf(m
, "Current P-state: %d\n",
1070 (rgvstat
& MEMSTAT_PSTATE_MASK
) >> MEMSTAT_PSTATE_SHIFT
);
1071 } else if (IS_VALLEYVIEW(dev_priv
) || IS_CHERRYVIEW(dev_priv
)) {
1072 u32 rpmodectl
, freq_sts
;
1074 mutex_lock(&dev_priv
->pcu_lock
);
1076 rpmodectl
= I915_READ(GEN6_RP_CONTROL
);
1077 seq_printf(m
, "Video Turbo Mode: %s\n",
1078 yesno(rpmodectl
& GEN6_RP_MEDIA_TURBO
));
1079 seq_printf(m
, "HW control enabled: %s\n",
1080 yesno(rpmodectl
& GEN6_RP_ENABLE
));
1081 seq_printf(m
, "SW control enabled: %s\n",
1082 yesno((rpmodectl
& GEN6_RP_MEDIA_MODE_MASK
) ==
1083 GEN6_RP_MEDIA_SW_MODE
));
1085 freq_sts
= vlv_punit_read(dev_priv
, PUNIT_REG_GPU_FREQ_STS
);
1086 seq_printf(m
, "PUNIT_REG_GPU_FREQ_STS: 0x%08x\n", freq_sts
);
1087 seq_printf(m
, "DDR freq: %d MHz\n", dev_priv
->mem_freq
);
1089 seq_printf(m
, "actual GPU freq: %d MHz\n",
1090 intel_gpu_freq(dev_priv
, (freq_sts
>> 8) & 0xff));
1092 seq_printf(m
, "current GPU freq: %d MHz\n",
1093 intel_gpu_freq(dev_priv
, rps
->cur_freq
));
1095 seq_printf(m
, "max GPU freq: %d MHz\n",
1096 intel_gpu_freq(dev_priv
, rps
->max_freq
));
1098 seq_printf(m
, "min GPU freq: %d MHz\n",
1099 intel_gpu_freq(dev_priv
, rps
->min_freq
));
1101 seq_printf(m
, "idle GPU freq: %d MHz\n",
1102 intel_gpu_freq(dev_priv
, rps
->idle_freq
));
1105 "efficient (RPe) frequency: %d MHz\n",
1106 intel_gpu_freq(dev_priv
, rps
->efficient_freq
));
1107 mutex_unlock(&dev_priv
->pcu_lock
);
1108 } else if (INTEL_GEN(dev_priv
) >= 6) {
1109 u32 rp_state_limits
;
1112 u32 rpmodectl
, rpinclimit
, rpdeclimit
;
1113 u32 rpstat
, cagf
, reqf
;
1114 u32 rpupei
, rpcurup
, rpprevup
;
1115 u32 rpdownei
, rpcurdown
, rpprevdown
;
1116 u32 pm_ier
, pm_imr
, pm_isr
, pm_iir
, pm_mask
;
1119 rp_state_limits
= I915_READ(GEN6_RP_STATE_LIMITS
);
1120 if (IS_GEN9_LP(dev_priv
)) {
1121 rp_state_cap
= I915_READ(BXT_RP_STATE_CAP
);
1122 gt_perf_status
= I915_READ(BXT_GT_PERF_STATUS
);
1124 rp_state_cap
= I915_READ(GEN6_RP_STATE_CAP
);
1125 gt_perf_status
= I915_READ(GEN6_GT_PERF_STATUS
);
1128 /* RPSTAT1 is in the GT power well */
1129 intel_uncore_forcewake_get(dev_priv
, FORCEWAKE_ALL
);
1131 reqf
= I915_READ(GEN6_RPNSWREQ
);
1132 if (INTEL_GEN(dev_priv
) >= 9)
1135 reqf
&= ~GEN6_TURBO_DISABLE
;
1136 if (IS_HASWELL(dev_priv
) || IS_BROADWELL(dev_priv
))
1141 reqf
= intel_gpu_freq(dev_priv
, reqf
);
1143 rpmodectl
= I915_READ(GEN6_RP_CONTROL
);
1144 rpinclimit
= I915_READ(GEN6_RP_UP_THRESHOLD
);
1145 rpdeclimit
= I915_READ(GEN6_RP_DOWN_THRESHOLD
);
1147 rpstat
= I915_READ(GEN6_RPSTAT1
);
1148 rpupei
= I915_READ(GEN6_RP_CUR_UP_EI
) & GEN6_CURICONT_MASK
;
1149 rpcurup
= I915_READ(GEN6_RP_CUR_UP
) & GEN6_CURBSYTAVG_MASK
;
1150 rpprevup
= I915_READ(GEN6_RP_PREV_UP
) & GEN6_CURBSYTAVG_MASK
;
1151 rpdownei
= I915_READ(GEN6_RP_CUR_DOWN_EI
) & GEN6_CURIAVG_MASK
;
1152 rpcurdown
= I915_READ(GEN6_RP_CUR_DOWN
) & GEN6_CURBSYTAVG_MASK
;
1153 rpprevdown
= I915_READ(GEN6_RP_PREV_DOWN
) & GEN6_CURBSYTAVG_MASK
;
1154 if (INTEL_GEN(dev_priv
) >= 9)
1155 cagf
= (rpstat
& GEN9_CAGF_MASK
) >> GEN9_CAGF_SHIFT
;
1156 else if (IS_HASWELL(dev_priv
) || IS_BROADWELL(dev_priv
))
1157 cagf
= (rpstat
& HSW_CAGF_MASK
) >> HSW_CAGF_SHIFT
;
1159 cagf
= (rpstat
& GEN6_CAGF_MASK
) >> GEN6_CAGF_SHIFT
;
1160 cagf
= intel_gpu_freq(dev_priv
, cagf
);
1162 intel_uncore_forcewake_put(dev_priv
, FORCEWAKE_ALL
);
1164 if (IS_GEN6(dev_priv
) || IS_GEN7(dev_priv
)) {
1165 pm_ier
= I915_READ(GEN6_PMIER
);
1166 pm_imr
= I915_READ(GEN6_PMIMR
);
1167 pm_isr
= I915_READ(GEN6_PMISR
);
1168 pm_iir
= I915_READ(GEN6_PMIIR
);
1169 pm_mask
= I915_READ(GEN6_PMINTRMSK
);
1171 pm_ier
= I915_READ(GEN8_GT_IER(2));
1172 pm_imr
= I915_READ(GEN8_GT_IMR(2));
1173 pm_isr
= I915_READ(GEN8_GT_ISR(2));
1174 pm_iir
= I915_READ(GEN8_GT_IIR(2));
1175 pm_mask
= I915_READ(GEN6_PMINTRMSK
);
1177 seq_printf(m
, "Video Turbo Mode: %s\n",
1178 yesno(rpmodectl
& GEN6_RP_MEDIA_TURBO
));
1179 seq_printf(m
, "HW control enabled: %s\n",
1180 yesno(rpmodectl
& GEN6_RP_ENABLE
));
1181 seq_printf(m
, "SW control enabled: %s\n",
1182 yesno((rpmodectl
& GEN6_RP_MEDIA_MODE_MASK
) ==
1183 GEN6_RP_MEDIA_SW_MODE
));
1184 seq_printf(m
, "PM IER=0x%08x IMR=0x%08x ISR=0x%08x IIR=0x%08x, MASK=0x%08x\n",
1185 pm_ier
, pm_imr
, pm_isr
, pm_iir
, pm_mask
);
1186 seq_printf(m
, "pm_intrmsk_mbz: 0x%08x\n",
1187 rps
->pm_intrmsk_mbz
);
1188 seq_printf(m
, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status
);
1189 seq_printf(m
, "Render p-state ratio: %d\n",
1190 (gt_perf_status
& (INTEL_GEN(dev_priv
) >= 9 ? 0x1ff00 : 0xff00)) >> 8);
1191 seq_printf(m
, "Render p-state VID: %d\n",
1192 gt_perf_status
& 0xff);
1193 seq_printf(m
, "Render p-state limit: %d\n",
1194 rp_state_limits
& 0xff);
1195 seq_printf(m
, "RPSTAT1: 0x%08x\n", rpstat
);
1196 seq_printf(m
, "RPMODECTL: 0x%08x\n", rpmodectl
);
1197 seq_printf(m
, "RPINCLIMIT: 0x%08x\n", rpinclimit
);
1198 seq_printf(m
, "RPDECLIMIT: 0x%08x\n", rpdeclimit
);
1199 seq_printf(m
, "RPNSWREQ: %dMHz\n", reqf
);
1200 seq_printf(m
, "CAGF: %dMHz\n", cagf
);
1201 seq_printf(m
, "RP CUR UP EI: %d (%dus)\n",
1202 rpupei
, GT_PM_INTERVAL_TO_US(dev_priv
, rpupei
));
1203 seq_printf(m
, "RP CUR UP: %d (%dus)\n",
1204 rpcurup
, GT_PM_INTERVAL_TO_US(dev_priv
, rpcurup
));
1205 seq_printf(m
, "RP PREV UP: %d (%dus)\n",
1206 rpprevup
, GT_PM_INTERVAL_TO_US(dev_priv
, rpprevup
));
1207 seq_printf(m
, "Up threshold: %d%%\n", rps
->up_threshold
);
1209 seq_printf(m
, "RP CUR DOWN EI: %d (%dus)\n",
1210 rpdownei
, GT_PM_INTERVAL_TO_US(dev_priv
, rpdownei
));
1211 seq_printf(m
, "RP CUR DOWN: %d (%dus)\n",
1212 rpcurdown
, GT_PM_INTERVAL_TO_US(dev_priv
, rpcurdown
));
1213 seq_printf(m
, "RP PREV DOWN: %d (%dus)\n",
1214 rpprevdown
, GT_PM_INTERVAL_TO_US(dev_priv
, rpprevdown
));
1215 seq_printf(m
, "Down threshold: %d%%\n", rps
->down_threshold
);
1217 max_freq
= (IS_GEN9_LP(dev_priv
) ? rp_state_cap
>> 0 :
1218 rp_state_cap
>> 16) & 0xff;
1219 max_freq
*= (IS_GEN9_BC(dev_priv
) ||
1220 IS_CANNONLAKE(dev_priv
) ? GEN9_FREQ_SCALER
: 1);
1221 seq_printf(m
, "Lowest (RPN) frequency: %dMHz\n",
1222 intel_gpu_freq(dev_priv
, max_freq
));
1224 max_freq
= (rp_state_cap
& 0xff00) >> 8;
1225 max_freq
*= (IS_GEN9_BC(dev_priv
) ||
1226 IS_CANNONLAKE(dev_priv
) ? GEN9_FREQ_SCALER
: 1);
1227 seq_printf(m
, "Nominal (RP1) frequency: %dMHz\n",
1228 intel_gpu_freq(dev_priv
, max_freq
));
1230 max_freq
= (IS_GEN9_LP(dev_priv
) ? rp_state_cap
>> 16 :
1231 rp_state_cap
>> 0) & 0xff;
1232 max_freq
*= (IS_GEN9_BC(dev_priv
) ||
1233 IS_CANNONLAKE(dev_priv
) ? GEN9_FREQ_SCALER
: 1);
1234 seq_printf(m
, "Max non-overclocked (RP0) frequency: %dMHz\n",
1235 intel_gpu_freq(dev_priv
, max_freq
));
1236 seq_printf(m
, "Max overclocked frequency: %dMHz\n",
1237 intel_gpu_freq(dev_priv
, rps
->max_freq
));
1239 seq_printf(m
, "Current freq: %d MHz\n",
1240 intel_gpu_freq(dev_priv
, rps
->cur_freq
));
1241 seq_printf(m
, "Actual freq: %d MHz\n", cagf
);
1242 seq_printf(m
, "Idle freq: %d MHz\n",
1243 intel_gpu_freq(dev_priv
, rps
->idle_freq
));
1244 seq_printf(m
, "Min freq: %d MHz\n",
1245 intel_gpu_freq(dev_priv
, rps
->min_freq
));
1246 seq_printf(m
, "Boost freq: %d MHz\n",
1247 intel_gpu_freq(dev_priv
, rps
->boost_freq
));
1248 seq_printf(m
, "Max freq: %d MHz\n",
1249 intel_gpu_freq(dev_priv
, rps
->max_freq
));
1251 "efficient (RPe) frequency: %d MHz\n",
1252 intel_gpu_freq(dev_priv
, rps
->efficient_freq
));
1254 seq_puts(m
, "no P-state info available\n");
1257 seq_printf(m
, "Current CD clock frequency: %d kHz\n", dev_priv
->cdclk
.hw
.cdclk
);
1258 seq_printf(m
, "Max CD clock frequency: %d kHz\n", dev_priv
->max_cdclk_freq
);
1259 seq_printf(m
, "Max pixel clock frequency: %d kHz\n", dev_priv
->max_dotclk_freq
);
1261 intel_runtime_pm_put(dev_priv
);
1265 static void i915_instdone_info(struct drm_i915_private
*dev_priv
,
1267 struct intel_instdone
*instdone
)
1272 seq_printf(m
, "\t\tINSTDONE: 0x%08x\n",
1273 instdone
->instdone
);
1275 if (INTEL_GEN(dev_priv
) <= 3)
1278 seq_printf(m
, "\t\tSC_INSTDONE: 0x%08x\n",
1279 instdone
->slice_common
);
1281 if (INTEL_GEN(dev_priv
) <= 6)
1284 for_each_instdone_slice_subslice(dev_priv
, slice
, subslice
)
1285 seq_printf(m
, "\t\tSAMPLER_INSTDONE[%d][%d]: 0x%08x\n",
1286 slice
, subslice
, instdone
->sampler
[slice
][subslice
]);
1288 for_each_instdone_slice_subslice(dev_priv
, slice
, subslice
)
1289 seq_printf(m
, "\t\tROW_INSTDONE[%d][%d]: 0x%08x\n",
1290 slice
, subslice
, instdone
->row
[slice
][subslice
]);
1293 static int i915_hangcheck_info(struct seq_file
*m
, void *unused
)
1295 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
1296 struct intel_engine_cs
*engine
;
1297 u64 acthd
[I915_NUM_ENGINES
];
1298 u32 seqno
[I915_NUM_ENGINES
];
1299 struct intel_instdone instdone
;
1300 enum intel_engine_id id
;
1302 if (test_bit(I915_WEDGED
, &dev_priv
->gpu_error
.flags
))
1303 seq_puts(m
, "Wedged\n");
1304 if (test_bit(I915_RESET_BACKOFF
, &dev_priv
->gpu_error
.flags
))
1305 seq_puts(m
, "Reset in progress: struct_mutex backoff\n");
1306 if (test_bit(I915_RESET_HANDOFF
, &dev_priv
->gpu_error
.flags
))
1307 seq_puts(m
, "Reset in progress: reset handoff to waiter\n");
1308 if (waitqueue_active(&dev_priv
->gpu_error
.wait_queue
))
1309 seq_puts(m
, "Waiter holding struct mutex\n");
1310 if (waitqueue_active(&dev_priv
->gpu_error
.reset_queue
))
1311 seq_puts(m
, "struct_mutex blocked for reset\n");
1313 if (!i915_modparams
.enable_hangcheck
) {
1314 seq_puts(m
, "Hangcheck disabled\n");
1318 intel_runtime_pm_get(dev_priv
);
1320 for_each_engine(engine
, dev_priv
, id
) {
1321 acthd
[id
] = intel_engine_get_active_head(engine
);
1322 seqno
[id
] = intel_engine_get_seqno(engine
);
1325 intel_engine_get_instdone(dev_priv
->engine
[RCS
], &instdone
);
1327 intel_runtime_pm_put(dev_priv
);
1329 if (timer_pending(&dev_priv
->gpu_error
.hangcheck_work
.timer
))
1330 seq_printf(m
, "Hangcheck active, timer fires in %dms\n",
1331 jiffies_to_msecs(dev_priv
->gpu_error
.hangcheck_work
.timer
.expires
-
1333 else if (delayed_work_pending(&dev_priv
->gpu_error
.hangcheck_work
))
1334 seq_puts(m
, "Hangcheck active, work pending\n");
1336 seq_puts(m
, "Hangcheck inactive\n");
1338 seq_printf(m
, "GT active? %s\n", yesno(dev_priv
->gt
.awake
));
1340 for_each_engine(engine
, dev_priv
, id
) {
1341 struct intel_breadcrumbs
*b
= &engine
->breadcrumbs
;
1344 seq_printf(m
, "%s:\n", engine
->name
);
1345 seq_printf(m
, "\tseqno = %x [current %x, last %x], inflight %d\n",
1346 engine
->hangcheck
.seqno
, seqno
[id
],
1347 intel_engine_last_submit(engine
),
1348 engine
->timeline
->inflight_seqnos
);
1349 seq_printf(m
, "\twaiters? %s, fake irq active? %s, stalled? %s\n",
1350 yesno(intel_engine_has_waiter(engine
)),
1351 yesno(test_bit(engine
->id
,
1352 &dev_priv
->gpu_error
.missed_irq_rings
)),
1353 yesno(engine
->hangcheck
.stalled
));
1355 spin_lock_irq(&b
->rb_lock
);
1356 for (rb
= rb_first(&b
->waiters
); rb
; rb
= rb_next(rb
)) {
1357 struct intel_wait
*w
= rb_entry(rb
, typeof(*w
), node
);
1359 seq_printf(m
, "\t%s [%d] waiting for %x\n",
1360 w
->tsk
->comm
, w
->tsk
->pid
, w
->seqno
);
1362 spin_unlock_irq(&b
->rb_lock
);
1364 seq_printf(m
, "\tACTHD = 0x%08llx [current 0x%08llx]\n",
1365 (long long)engine
->hangcheck
.acthd
,
1366 (long long)acthd
[id
]);
1367 seq_printf(m
, "\taction = %s(%d) %d ms ago\n",
1368 hangcheck_action_to_str(engine
->hangcheck
.action
),
1369 engine
->hangcheck
.action
,
1370 jiffies_to_msecs(jiffies
-
1371 engine
->hangcheck
.action_timestamp
));
1373 if (engine
->id
== RCS
) {
1374 seq_puts(m
, "\tinstdone read =\n");
1376 i915_instdone_info(dev_priv
, m
, &instdone
);
1378 seq_puts(m
, "\tinstdone accu =\n");
1380 i915_instdone_info(dev_priv
, m
,
1381 &engine
->hangcheck
.instdone
);
1388 static int i915_reset_info(struct seq_file
*m
, void *unused
)
1390 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
1391 struct i915_gpu_error
*error
= &dev_priv
->gpu_error
;
1392 struct intel_engine_cs
*engine
;
1393 enum intel_engine_id id
;
1395 seq_printf(m
, "full gpu reset = %u\n", i915_reset_count(error
));
1397 for_each_engine(engine
, dev_priv
, id
) {
1398 seq_printf(m
, "%s = %u\n", engine
->name
,
1399 i915_reset_engine_count(error
, engine
));
1405 static int ironlake_drpc_info(struct seq_file
*m
)
1407 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
1408 u32 rgvmodectl
, rstdbyctl
;
1411 rgvmodectl
= I915_READ(MEMMODECTL
);
1412 rstdbyctl
= I915_READ(RSTDBYCTL
);
1413 crstandvid
= I915_READ16(CRSTANDVID
);
1415 seq_printf(m
, "HD boost: %s\n", yesno(rgvmodectl
& MEMMODE_BOOST_EN
));
1416 seq_printf(m
, "Boost freq: %d\n",
1417 (rgvmodectl
& MEMMODE_BOOST_FREQ_MASK
) >>
1418 MEMMODE_BOOST_FREQ_SHIFT
);
1419 seq_printf(m
, "HW control enabled: %s\n",
1420 yesno(rgvmodectl
& MEMMODE_HWIDLE_EN
));
1421 seq_printf(m
, "SW control enabled: %s\n",
1422 yesno(rgvmodectl
& MEMMODE_SWMODE_EN
));
1423 seq_printf(m
, "Gated voltage change: %s\n",
1424 yesno(rgvmodectl
& MEMMODE_RCLK_GATE
));
1425 seq_printf(m
, "Starting frequency: P%d\n",
1426 (rgvmodectl
& MEMMODE_FSTART_MASK
) >> MEMMODE_FSTART_SHIFT
);
1427 seq_printf(m
, "Max P-state: P%d\n",
1428 (rgvmodectl
& MEMMODE_FMAX_MASK
) >> MEMMODE_FMAX_SHIFT
);
1429 seq_printf(m
, "Min P-state: P%d\n", (rgvmodectl
& MEMMODE_FMIN_MASK
));
1430 seq_printf(m
, "RS1 VID: %d\n", (crstandvid
& 0x3f));
1431 seq_printf(m
, "RS2 VID: %d\n", ((crstandvid
>> 8) & 0x3f));
1432 seq_printf(m
, "Render standby enabled: %s\n",
1433 yesno(!(rstdbyctl
& RCX_SW_EXIT
)));
1434 seq_puts(m
, "Current RS state: ");
1435 switch (rstdbyctl
& RSX_STATUS_MASK
) {
1437 seq_puts(m
, "on\n");
1439 case RSX_STATUS_RC1
:
1440 seq_puts(m
, "RC1\n");
1442 case RSX_STATUS_RC1E
:
1443 seq_puts(m
, "RC1E\n");
1445 case RSX_STATUS_RS1
:
1446 seq_puts(m
, "RS1\n");
1448 case RSX_STATUS_RS2
:
1449 seq_puts(m
, "RS2 (RC6)\n");
1451 case RSX_STATUS_RS3
:
1452 seq_puts(m
, "RC3 (RC6+)\n");
1455 seq_puts(m
, "unknown\n");
1462 static int i915_forcewake_domains(struct seq_file
*m
, void *data
)
1464 struct drm_i915_private
*i915
= node_to_i915(m
->private);
1465 struct intel_uncore_forcewake_domain
*fw_domain
;
1468 seq_printf(m
, "user.bypass_count = %u\n",
1469 i915
->uncore
.user_forcewake
.count
);
1471 for_each_fw_domain(fw_domain
, i915
, tmp
)
1472 seq_printf(m
, "%s.wake_count = %u\n",
1473 intel_uncore_forcewake_domain_to_str(fw_domain
->id
),
1474 READ_ONCE(fw_domain
->wake_count
));
1479 static void print_rc6_res(struct seq_file
*m
,
1481 const i915_reg_t reg
)
1483 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
1485 seq_printf(m
, "%s %u (%llu us)\n",
1486 title
, I915_READ(reg
),
1487 intel_rc6_residency_us(dev_priv
, reg
));
1490 static int vlv_drpc_info(struct seq_file
*m
)
1492 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
1493 u32 rcctl1
, pw_status
;
1495 pw_status
= I915_READ(VLV_GTLC_PW_STATUS
);
1496 rcctl1
= I915_READ(GEN6_RC_CONTROL
);
1498 seq_printf(m
, "RC6 Enabled: %s\n",
1499 yesno(rcctl1
& (GEN7_RC_CTL_TO_MODE
|
1500 GEN6_RC_CTL_EI_MODE(1))));
1501 seq_printf(m
, "Render Power Well: %s\n",
1502 (pw_status
& VLV_GTLC_PW_RENDER_STATUS_MASK
) ? "Up" : "Down");
1503 seq_printf(m
, "Media Power Well: %s\n",
1504 (pw_status
& VLV_GTLC_PW_MEDIA_STATUS_MASK
) ? "Up" : "Down");
1506 print_rc6_res(m
, "Render RC6 residency since boot:", VLV_GT_RENDER_RC6
);
1507 print_rc6_res(m
, "Media RC6 residency since boot:", VLV_GT_MEDIA_RC6
);
1509 return i915_forcewake_domains(m
, NULL
);
1512 static int gen6_drpc_info(struct seq_file
*m
)
1514 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
1515 u32 gt_core_status
, rcctl1
, rc6vids
= 0;
1516 u32 gen9_powergate_enable
= 0, gen9_powergate_status
= 0;
1517 unsigned forcewake_count
;
1520 forcewake_count
= READ_ONCE(dev_priv
->uncore
.fw_domain
[FW_DOMAIN_ID_RENDER
].wake_count
);
1521 if (forcewake_count
) {
1522 seq_puts(m
, "RC information inaccurate because somebody "
1523 "holds a forcewake reference \n");
1525 /* NB: we cannot use forcewake, else we read the wrong values */
1526 while (count
++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_ACK
) & 1))
1528 seq_printf(m
, "RC information accurate: %s\n", yesno(count
< 51));
1531 gt_core_status
= I915_READ_FW(GEN6_GT_CORE_STATUS
);
1532 trace_i915_reg_rw(false, GEN6_GT_CORE_STATUS
, gt_core_status
, 4, true);
1534 rcctl1
= I915_READ(GEN6_RC_CONTROL
);
1535 if (INTEL_GEN(dev_priv
) >= 9) {
1536 gen9_powergate_enable
= I915_READ(GEN9_PG_ENABLE
);
1537 gen9_powergate_status
= I915_READ(GEN9_PWRGT_DOMAIN_STATUS
);
1540 mutex_lock(&dev_priv
->pcu_lock
);
1541 sandybridge_pcode_read(dev_priv
, GEN6_PCODE_READ_RC6VIDS
, &rc6vids
);
1542 mutex_unlock(&dev_priv
->pcu_lock
);
1544 seq_printf(m
, "RC1e Enabled: %s\n",
1545 yesno(rcctl1
& GEN6_RC_CTL_RC1e_ENABLE
));
1546 seq_printf(m
, "RC6 Enabled: %s\n",
1547 yesno(rcctl1
& GEN6_RC_CTL_RC6_ENABLE
));
1548 if (INTEL_GEN(dev_priv
) >= 9) {
1549 seq_printf(m
, "Render Well Gating Enabled: %s\n",
1550 yesno(gen9_powergate_enable
& GEN9_RENDER_PG_ENABLE
));
1551 seq_printf(m
, "Media Well Gating Enabled: %s\n",
1552 yesno(gen9_powergate_enable
& GEN9_MEDIA_PG_ENABLE
));
1554 seq_printf(m
, "Deep RC6 Enabled: %s\n",
1555 yesno(rcctl1
& GEN6_RC_CTL_RC6p_ENABLE
));
1556 seq_printf(m
, "Deepest RC6 Enabled: %s\n",
1557 yesno(rcctl1
& GEN6_RC_CTL_RC6pp_ENABLE
));
1558 seq_puts(m
, "Current RC state: ");
1559 switch (gt_core_status
& GEN6_RCn_MASK
) {
1561 if (gt_core_status
& GEN6_CORE_CPD_STATE_MASK
)
1562 seq_puts(m
, "Core Power Down\n");
1564 seq_puts(m
, "on\n");
1567 seq_puts(m
, "RC3\n");
1570 seq_puts(m
, "RC6\n");
1573 seq_puts(m
, "RC7\n");
1576 seq_puts(m
, "Unknown\n");
1580 seq_printf(m
, "Core Power Down: %s\n",
1581 yesno(gt_core_status
& GEN6_CORE_CPD_STATE_MASK
));
1582 if (INTEL_GEN(dev_priv
) >= 9) {
1583 seq_printf(m
, "Render Power Well: %s\n",
1584 (gen9_powergate_status
&
1585 GEN9_PWRGT_RENDER_STATUS_MASK
) ? "Up" : "Down");
1586 seq_printf(m
, "Media Power Well: %s\n",
1587 (gen9_powergate_status
&
1588 GEN9_PWRGT_MEDIA_STATUS_MASK
) ? "Up" : "Down");
1591 /* Not exactly sure what this is */
1592 print_rc6_res(m
, "RC6 \"Locked to RPn\" residency since boot:",
1593 GEN6_GT_GFX_RC6_LOCKED
);
1594 print_rc6_res(m
, "RC6 residency since boot:", GEN6_GT_GFX_RC6
);
1595 print_rc6_res(m
, "RC6+ residency since boot:", GEN6_GT_GFX_RC6p
);
1596 print_rc6_res(m
, "RC6++ residency since boot:", GEN6_GT_GFX_RC6pp
);
1598 seq_printf(m
, "RC6 voltage: %dmV\n",
1599 GEN6_DECODE_RC6_VID(((rc6vids
>> 0) & 0xff)));
1600 seq_printf(m
, "RC6+ voltage: %dmV\n",
1601 GEN6_DECODE_RC6_VID(((rc6vids
>> 8) & 0xff)));
1602 seq_printf(m
, "RC6++ voltage: %dmV\n",
1603 GEN6_DECODE_RC6_VID(((rc6vids
>> 16) & 0xff)));
1604 return i915_forcewake_domains(m
, NULL
);
1607 static int i915_drpc_info(struct seq_file
*m
, void *unused
)
1609 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
1612 intel_runtime_pm_get(dev_priv
);
1614 if (IS_VALLEYVIEW(dev_priv
) || IS_CHERRYVIEW(dev_priv
))
1615 err
= vlv_drpc_info(m
);
1616 else if (INTEL_GEN(dev_priv
) >= 6)
1617 err
= gen6_drpc_info(m
);
1619 err
= ironlake_drpc_info(m
);
1621 intel_runtime_pm_put(dev_priv
);
1626 static int i915_frontbuffer_tracking(struct seq_file
*m
, void *unused
)
1628 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
1630 seq_printf(m
, "FB tracking busy bits: 0x%08x\n",
1631 dev_priv
->fb_tracking
.busy_bits
);
1633 seq_printf(m
, "FB tracking flip bits: 0x%08x\n",
1634 dev_priv
->fb_tracking
.flip_bits
);
1639 static int i915_fbc_status(struct seq_file
*m
, void *unused
)
1641 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
1643 if (!HAS_FBC(dev_priv
)) {
1644 seq_puts(m
, "FBC unsupported on this chipset\n");
1648 intel_runtime_pm_get(dev_priv
);
1649 mutex_lock(&dev_priv
->fbc
.lock
);
1651 if (intel_fbc_is_active(dev_priv
))
1652 seq_puts(m
, "FBC enabled\n");
1654 seq_printf(m
, "FBC disabled: %s\n",
1655 dev_priv
->fbc
.no_fbc_reason
);
1657 if (intel_fbc_is_active(dev_priv
)) {
1660 if (INTEL_GEN(dev_priv
) >= 8)
1661 mask
= I915_READ(IVB_FBC_STATUS2
) & BDW_FBC_COMP_SEG_MASK
;
1662 else if (INTEL_GEN(dev_priv
) >= 7)
1663 mask
= I915_READ(IVB_FBC_STATUS2
) & IVB_FBC_COMP_SEG_MASK
;
1664 else if (INTEL_GEN(dev_priv
) >= 5)
1665 mask
= I915_READ(ILK_DPFC_STATUS
) & ILK_DPFC_COMP_SEG_MASK
;
1666 else if (IS_G4X(dev_priv
))
1667 mask
= I915_READ(DPFC_STATUS
) & DPFC_COMP_SEG_MASK
;
1669 mask
= I915_READ(FBC_STATUS
) & (FBC_STAT_COMPRESSING
|
1670 FBC_STAT_COMPRESSED
);
1672 seq_printf(m
, "Compressing: %s\n", yesno(mask
));
1675 mutex_unlock(&dev_priv
->fbc
.lock
);
1676 intel_runtime_pm_put(dev_priv
);
1681 static int i915_fbc_false_color_get(void *data
, u64
*val
)
1683 struct drm_i915_private
*dev_priv
= data
;
1685 if (INTEL_GEN(dev_priv
) < 7 || !HAS_FBC(dev_priv
))
1688 *val
= dev_priv
->fbc
.false_color
;
1693 static int i915_fbc_false_color_set(void *data
, u64 val
)
1695 struct drm_i915_private
*dev_priv
= data
;
1698 if (INTEL_GEN(dev_priv
) < 7 || !HAS_FBC(dev_priv
))
1701 mutex_lock(&dev_priv
->fbc
.lock
);
1703 reg
= I915_READ(ILK_DPFC_CONTROL
);
1704 dev_priv
->fbc
.false_color
= val
;
1706 I915_WRITE(ILK_DPFC_CONTROL
, val
?
1707 (reg
| FBC_CTL_FALSE_COLOR
) :
1708 (reg
& ~FBC_CTL_FALSE_COLOR
));
1710 mutex_unlock(&dev_priv
->fbc
.lock
);
1714 DEFINE_SIMPLE_ATTRIBUTE(i915_fbc_false_color_fops
,
1715 i915_fbc_false_color_get
, i915_fbc_false_color_set
,
1718 static int i915_ips_status(struct seq_file
*m
, void *unused
)
1720 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
1722 if (!HAS_IPS(dev_priv
)) {
1723 seq_puts(m
, "not supported\n");
1727 intel_runtime_pm_get(dev_priv
);
1729 seq_printf(m
, "Enabled by kernel parameter: %s\n",
1730 yesno(i915_modparams
.enable_ips
));
1732 if (INTEL_GEN(dev_priv
) >= 8) {
1733 seq_puts(m
, "Currently: unknown\n");
1735 if (I915_READ(IPS_CTL
) & IPS_ENABLE
)
1736 seq_puts(m
, "Currently: enabled\n");
1738 seq_puts(m
, "Currently: disabled\n");
1741 intel_runtime_pm_put(dev_priv
);
1746 static int i915_sr_status(struct seq_file
*m
, void *unused
)
1748 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
1749 bool sr_enabled
= false;
1751 intel_runtime_pm_get(dev_priv
);
1752 intel_display_power_get(dev_priv
, POWER_DOMAIN_INIT
);
1754 if (INTEL_GEN(dev_priv
) >= 9)
1755 /* no global SR status; inspect per-plane WM */;
1756 else if (HAS_PCH_SPLIT(dev_priv
))
1757 sr_enabled
= I915_READ(WM1_LP_ILK
) & WM1_LP_SR_EN
;
1758 else if (IS_I965GM(dev_priv
) || IS_G4X(dev_priv
) ||
1759 IS_I945G(dev_priv
) || IS_I945GM(dev_priv
))
1760 sr_enabled
= I915_READ(FW_BLC_SELF
) & FW_BLC_SELF_EN
;
1761 else if (IS_I915GM(dev_priv
))
1762 sr_enabled
= I915_READ(INSTPM
) & INSTPM_SELF_EN
;
1763 else if (IS_PINEVIEW(dev_priv
))
1764 sr_enabled
= I915_READ(DSPFW3
) & PINEVIEW_SELF_REFRESH_EN
;
1765 else if (IS_VALLEYVIEW(dev_priv
) || IS_CHERRYVIEW(dev_priv
))
1766 sr_enabled
= I915_READ(FW_BLC_SELF_VLV
) & FW_CSPWRDWNEN
;
1768 intel_display_power_put(dev_priv
, POWER_DOMAIN_INIT
);
1769 intel_runtime_pm_put(dev_priv
);
1771 seq_printf(m
, "self-refresh: %s\n", enableddisabled(sr_enabled
));
1776 static int i915_emon_status(struct seq_file
*m
, void *unused
)
1778 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
1779 struct drm_device
*dev
= &dev_priv
->drm
;
1780 unsigned long temp
, chipset
, gfx
;
1783 if (!IS_GEN5(dev_priv
))
1786 intel_runtime_pm_get(dev_priv
);
1788 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1792 temp
= i915_mch_val(dev_priv
);
1793 chipset
= i915_chipset_val(dev_priv
);
1794 gfx
= i915_gfx_val(dev_priv
);
1795 mutex_unlock(&dev
->struct_mutex
);
1797 seq_printf(m
, "GMCH temp: %ld\n", temp
);
1798 seq_printf(m
, "Chipset power: %ld\n", chipset
);
1799 seq_printf(m
, "GFX power: %ld\n", gfx
);
1800 seq_printf(m
, "Total power: %ld\n", chipset
+ gfx
);
1802 intel_runtime_pm_put(dev_priv
);
1807 static int i915_ring_freq_table(struct seq_file
*m
, void *unused
)
1809 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
1810 struct intel_rps
*rps
= &dev_priv
->gt_pm
.rps
;
1812 int gpu_freq
, ia_freq
;
1813 unsigned int max_gpu_freq
, min_gpu_freq
;
1815 if (!HAS_LLC(dev_priv
)) {
1816 seq_puts(m
, "unsupported on this chipset\n");
1820 intel_runtime_pm_get(dev_priv
);
1822 ret
= mutex_lock_interruptible(&dev_priv
->pcu_lock
);
1826 if (IS_GEN9_BC(dev_priv
) || IS_CANNONLAKE(dev_priv
)) {
1827 /* Convert GT frequency to 50 HZ units */
1828 min_gpu_freq
= rps
->min_freq_softlimit
/ GEN9_FREQ_SCALER
;
1829 max_gpu_freq
= rps
->max_freq_softlimit
/ GEN9_FREQ_SCALER
;
1831 min_gpu_freq
= rps
->min_freq_softlimit
;
1832 max_gpu_freq
= rps
->max_freq_softlimit
;
1835 seq_puts(m
, "GPU freq (MHz)\tEffective CPU freq (MHz)\tEffective Ring freq (MHz)\n");
1837 for (gpu_freq
= min_gpu_freq
; gpu_freq
<= max_gpu_freq
; gpu_freq
++) {
1839 sandybridge_pcode_read(dev_priv
,
1840 GEN6_PCODE_READ_MIN_FREQ_TABLE
,
1842 seq_printf(m
, "%d\t\t%d\t\t\t\t%d\n",
1843 intel_gpu_freq(dev_priv
, (gpu_freq
*
1844 (IS_GEN9_BC(dev_priv
) ||
1845 IS_CANNONLAKE(dev_priv
) ?
1846 GEN9_FREQ_SCALER
: 1))),
1847 ((ia_freq
>> 0) & 0xff) * 100,
1848 ((ia_freq
>> 8) & 0xff) * 100);
1851 mutex_unlock(&dev_priv
->pcu_lock
);
1854 intel_runtime_pm_put(dev_priv
);
1858 static int i915_opregion(struct seq_file
*m
, void *unused
)
1860 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
1861 struct drm_device
*dev
= &dev_priv
->drm
;
1862 struct intel_opregion
*opregion
= &dev_priv
->opregion
;
1865 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1869 if (opregion
->header
)
1870 seq_write(m
, opregion
->header
, OPREGION_SIZE
);
1872 mutex_unlock(&dev
->struct_mutex
);
1878 static int i915_vbt(struct seq_file
*m
, void *unused
)
1880 struct intel_opregion
*opregion
= &node_to_i915(m
->private)->opregion
;
1883 seq_write(m
, opregion
->vbt
, opregion
->vbt_size
);
1888 static int i915_gem_framebuffer_info(struct seq_file
*m
, void *data
)
1890 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
1891 struct drm_device
*dev
= &dev_priv
->drm
;
1892 struct intel_framebuffer
*fbdev_fb
= NULL
;
1893 struct drm_framebuffer
*drm_fb
;
1896 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1900 #ifdef CONFIG_DRM_FBDEV_EMULATION
1901 if (dev_priv
->fbdev
&& dev_priv
->fbdev
->helper
.fb
) {
1902 fbdev_fb
= to_intel_framebuffer(dev_priv
->fbdev
->helper
.fb
);
1904 seq_printf(m
, "fbcon size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ",
1905 fbdev_fb
->base
.width
,
1906 fbdev_fb
->base
.height
,
1907 fbdev_fb
->base
.format
->depth
,
1908 fbdev_fb
->base
.format
->cpp
[0] * 8,
1909 fbdev_fb
->base
.modifier
,
1910 drm_framebuffer_read_refcount(&fbdev_fb
->base
));
1911 describe_obj(m
, fbdev_fb
->obj
);
1916 mutex_lock(&dev
->mode_config
.fb_lock
);
1917 drm_for_each_fb(drm_fb
, dev
) {
1918 struct intel_framebuffer
*fb
= to_intel_framebuffer(drm_fb
);
1922 seq_printf(m
, "user size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ",
1925 fb
->base
.format
->depth
,
1926 fb
->base
.format
->cpp
[0] * 8,
1928 drm_framebuffer_read_refcount(&fb
->base
));
1929 describe_obj(m
, fb
->obj
);
1932 mutex_unlock(&dev
->mode_config
.fb_lock
);
1933 mutex_unlock(&dev
->struct_mutex
);
1938 static void describe_ctx_ring(struct seq_file
*m
, struct intel_ring
*ring
)
1940 seq_printf(m
, " (ringbuffer, space: %d, head: %u, tail: %u)",
1941 ring
->space
, ring
->head
, ring
->tail
);
1944 static int i915_context_status(struct seq_file
*m
, void *unused
)
1946 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
1947 struct drm_device
*dev
= &dev_priv
->drm
;
1948 struct intel_engine_cs
*engine
;
1949 struct i915_gem_context
*ctx
;
1950 enum intel_engine_id id
;
1953 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1957 list_for_each_entry(ctx
, &dev_priv
->contexts
.list
, link
) {
1958 seq_printf(m
, "HW context %u ", ctx
->hw_id
);
1960 struct task_struct
*task
;
1962 task
= get_pid_task(ctx
->pid
, PIDTYPE_PID
);
1964 seq_printf(m
, "(%s [%d]) ",
1965 task
->comm
, task
->pid
);
1966 put_task_struct(task
);
1968 } else if (IS_ERR(ctx
->file_priv
)) {
1969 seq_puts(m
, "(deleted) ");
1971 seq_puts(m
, "(kernel) ");
1974 seq_putc(m
, ctx
->remap_slice
? 'R' : 'r');
1977 for_each_engine(engine
, dev_priv
, id
) {
1978 struct intel_context
*ce
= &ctx
->engine
[engine
->id
];
1980 seq_printf(m
, "%s: ", engine
->name
);
1981 seq_putc(m
, ce
->initialised
? 'I' : 'i');
1983 describe_obj(m
, ce
->state
->obj
);
1985 describe_ctx_ring(m
, ce
->ring
);
1992 mutex_unlock(&dev
->struct_mutex
);
1997 static void i915_dump_lrc_obj(struct seq_file
*m
,
1998 struct i915_gem_context
*ctx
,
1999 struct intel_engine_cs
*engine
)
2001 struct i915_vma
*vma
= ctx
->engine
[engine
->id
].state
;
2005 seq_printf(m
, "CONTEXT: %s %u\n", engine
->name
, ctx
->hw_id
);
2008 seq_puts(m
, "\tFake context\n");
2012 if (vma
->flags
& I915_VMA_GLOBAL_BIND
)
2013 seq_printf(m
, "\tBound in GGTT at 0x%08x\n",
2014 i915_ggtt_offset(vma
));
2016 if (i915_gem_object_pin_pages(vma
->obj
)) {
2017 seq_puts(m
, "\tFailed to get pages for context object\n\n");
2021 page
= i915_gem_object_get_page(vma
->obj
, LRC_STATE_PN
);
2023 u32
*reg_state
= kmap_atomic(page
);
2025 for (j
= 0; j
< 0x600 / sizeof(u32
) / 4; j
+= 4) {
2027 "\t[0x%04x] 0x%08x 0x%08x 0x%08x 0x%08x\n",
2029 reg_state
[j
], reg_state
[j
+ 1],
2030 reg_state
[j
+ 2], reg_state
[j
+ 3]);
2032 kunmap_atomic(reg_state
);
2035 i915_gem_object_unpin_pages(vma
->obj
);
2039 static int i915_dump_lrc(struct seq_file
*m
, void *unused
)
2041 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
2042 struct drm_device
*dev
= &dev_priv
->drm
;
2043 struct intel_engine_cs
*engine
;
2044 struct i915_gem_context
*ctx
;
2045 enum intel_engine_id id
;
2048 if (!i915_modparams
.enable_execlists
) {
2049 seq_printf(m
, "Logical Ring Contexts are disabled\n");
2053 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
2057 list_for_each_entry(ctx
, &dev_priv
->contexts
.list
, link
)
2058 for_each_engine(engine
, dev_priv
, id
)
2059 i915_dump_lrc_obj(m
, ctx
, engine
);
2061 mutex_unlock(&dev
->struct_mutex
);
2066 static const char *swizzle_string(unsigned swizzle
)
2069 case I915_BIT_6_SWIZZLE_NONE
:
2071 case I915_BIT_6_SWIZZLE_9
:
2073 case I915_BIT_6_SWIZZLE_9_10
:
2074 return "bit9/bit10";
2075 case I915_BIT_6_SWIZZLE_9_11
:
2076 return "bit9/bit11";
2077 case I915_BIT_6_SWIZZLE_9_10_11
:
2078 return "bit9/bit10/bit11";
2079 case I915_BIT_6_SWIZZLE_9_17
:
2080 return "bit9/bit17";
2081 case I915_BIT_6_SWIZZLE_9_10_17
:
2082 return "bit9/bit10/bit17";
2083 case I915_BIT_6_SWIZZLE_UNKNOWN
:
2090 static int i915_swizzle_info(struct seq_file
*m
, void *data
)
2092 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
2094 intel_runtime_pm_get(dev_priv
);
2096 seq_printf(m
, "bit6 swizzle for X-tiling = %s\n",
2097 swizzle_string(dev_priv
->mm
.bit_6_swizzle_x
));
2098 seq_printf(m
, "bit6 swizzle for Y-tiling = %s\n",
2099 swizzle_string(dev_priv
->mm
.bit_6_swizzle_y
));
2101 if (IS_GEN3(dev_priv
) || IS_GEN4(dev_priv
)) {
2102 seq_printf(m
, "DDC = 0x%08x\n",
2104 seq_printf(m
, "DDC2 = 0x%08x\n",
2106 seq_printf(m
, "C0DRB3 = 0x%04x\n",
2107 I915_READ16(C0DRB3
));
2108 seq_printf(m
, "C1DRB3 = 0x%04x\n",
2109 I915_READ16(C1DRB3
));
2110 } else if (INTEL_GEN(dev_priv
) >= 6) {
2111 seq_printf(m
, "MAD_DIMM_C0 = 0x%08x\n",
2112 I915_READ(MAD_DIMM_C0
));
2113 seq_printf(m
, "MAD_DIMM_C1 = 0x%08x\n",
2114 I915_READ(MAD_DIMM_C1
));
2115 seq_printf(m
, "MAD_DIMM_C2 = 0x%08x\n",
2116 I915_READ(MAD_DIMM_C2
));
2117 seq_printf(m
, "TILECTL = 0x%08x\n",
2118 I915_READ(TILECTL
));
2119 if (INTEL_GEN(dev_priv
) >= 8)
2120 seq_printf(m
, "GAMTARBMODE = 0x%08x\n",
2121 I915_READ(GAMTARBMODE
));
2123 seq_printf(m
, "ARB_MODE = 0x%08x\n",
2124 I915_READ(ARB_MODE
));
2125 seq_printf(m
, "DISP_ARB_CTL = 0x%08x\n",
2126 I915_READ(DISP_ARB_CTL
));
2129 if (dev_priv
->quirks
& QUIRK_PIN_SWIZZLED_PAGES
)
2130 seq_puts(m
, "L-shaped memory detected\n");
2132 intel_runtime_pm_put(dev_priv
);
2137 static int per_file_ctx(int id
, void *ptr
, void *data
)
2139 struct i915_gem_context
*ctx
= ptr
;
2140 struct seq_file
*m
= data
;
2141 struct i915_hw_ppgtt
*ppgtt
= ctx
->ppgtt
;
2144 seq_printf(m
, " no ppgtt for context %d\n",
2149 if (i915_gem_context_is_default(ctx
))
2150 seq_puts(m
, " default context:\n");
2152 seq_printf(m
, " context %d:\n", ctx
->user_handle
);
2153 ppgtt
->debug_dump(ppgtt
, m
);
2158 static void gen8_ppgtt_info(struct seq_file
*m
,
2159 struct drm_i915_private
*dev_priv
)
2161 struct i915_hw_ppgtt
*ppgtt
= dev_priv
->mm
.aliasing_ppgtt
;
2162 struct intel_engine_cs
*engine
;
2163 enum intel_engine_id id
;
2169 for_each_engine(engine
, dev_priv
, id
) {
2170 seq_printf(m
, "%s\n", engine
->name
);
2171 for (i
= 0; i
< 4; i
++) {
2172 u64 pdp
= I915_READ(GEN8_RING_PDP_UDW(engine
, i
));
2174 pdp
|= I915_READ(GEN8_RING_PDP_LDW(engine
, i
));
2175 seq_printf(m
, "\tPDP%d 0x%016llx\n", i
, pdp
);
2180 static void gen6_ppgtt_info(struct seq_file
*m
,
2181 struct drm_i915_private
*dev_priv
)
2183 struct intel_engine_cs
*engine
;
2184 enum intel_engine_id id
;
2186 if (IS_GEN6(dev_priv
))
2187 seq_printf(m
, "GFX_MODE: 0x%08x\n", I915_READ(GFX_MODE
));
2189 for_each_engine(engine
, dev_priv
, id
) {
2190 seq_printf(m
, "%s\n", engine
->name
);
2191 if (IS_GEN7(dev_priv
))
2192 seq_printf(m
, "GFX_MODE: 0x%08x\n",
2193 I915_READ(RING_MODE_GEN7(engine
)));
2194 seq_printf(m
, "PP_DIR_BASE: 0x%08x\n",
2195 I915_READ(RING_PP_DIR_BASE(engine
)));
2196 seq_printf(m
, "PP_DIR_BASE_READ: 0x%08x\n",
2197 I915_READ(RING_PP_DIR_BASE_READ(engine
)));
2198 seq_printf(m
, "PP_DIR_DCLV: 0x%08x\n",
2199 I915_READ(RING_PP_DIR_DCLV(engine
)));
2201 if (dev_priv
->mm
.aliasing_ppgtt
) {
2202 struct i915_hw_ppgtt
*ppgtt
= dev_priv
->mm
.aliasing_ppgtt
;
2204 seq_puts(m
, "aliasing PPGTT:\n");
2205 seq_printf(m
, "pd gtt offset: 0x%08x\n", ppgtt
->pd
.base
.ggtt_offset
);
2207 ppgtt
->debug_dump(ppgtt
, m
);
2210 seq_printf(m
, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK
));
2213 static int i915_ppgtt_info(struct seq_file
*m
, void *data
)
2215 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
2216 struct drm_device
*dev
= &dev_priv
->drm
;
2217 struct drm_file
*file
;
2220 mutex_lock(&dev
->filelist_mutex
);
2221 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
2225 intel_runtime_pm_get(dev_priv
);
2227 if (INTEL_GEN(dev_priv
) >= 8)
2228 gen8_ppgtt_info(m
, dev_priv
);
2229 else if (INTEL_GEN(dev_priv
) >= 6)
2230 gen6_ppgtt_info(m
, dev_priv
);
2232 list_for_each_entry_reverse(file
, &dev
->filelist
, lhead
) {
2233 struct drm_i915_file_private
*file_priv
= file
->driver_priv
;
2234 struct task_struct
*task
;
2236 task
= get_pid_task(file
->pid
, PIDTYPE_PID
);
2241 seq_printf(m
, "\nproc: %s\n", task
->comm
);
2242 put_task_struct(task
);
2243 idr_for_each(&file_priv
->context_idr
, per_file_ctx
,
2244 (void *)(unsigned long)m
);
2248 intel_runtime_pm_put(dev_priv
);
2249 mutex_unlock(&dev
->struct_mutex
);
2251 mutex_unlock(&dev
->filelist_mutex
);
2255 static int count_irq_waiters(struct drm_i915_private
*i915
)
2257 struct intel_engine_cs
*engine
;
2258 enum intel_engine_id id
;
2261 for_each_engine(engine
, i915
, id
)
2262 count
+= intel_engine_has_waiter(engine
);
2267 static const char *rps_power_to_str(unsigned int power
)
2269 static const char * const strings
[] = {
2270 [LOW_POWER
] = "low power",
2271 [BETWEEN
] = "mixed",
2272 [HIGH_POWER
] = "high power",
2275 if (power
>= ARRAY_SIZE(strings
) || !strings
[power
])
2278 return strings
[power
];
2281 static int i915_rps_boost_info(struct seq_file
*m
, void *data
)
2283 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
2284 struct drm_device
*dev
= &dev_priv
->drm
;
2285 struct intel_rps
*rps
= &dev_priv
->gt_pm
.rps
;
2286 struct drm_file
*file
;
2288 seq_printf(m
, "RPS enabled? %d\n", rps
->enabled
);
2289 seq_printf(m
, "GPU busy? %s [%d requests]\n",
2290 yesno(dev_priv
->gt
.awake
), dev_priv
->gt
.active_requests
);
2291 seq_printf(m
, "CPU waiting? %d\n", count_irq_waiters(dev_priv
));
2292 seq_printf(m
, "Boosts outstanding? %d\n",
2293 atomic_read(&rps
->num_waiters
));
2294 seq_printf(m
, "Frequency requested %d\n",
2295 intel_gpu_freq(dev_priv
, rps
->cur_freq
));
2296 seq_printf(m
, " min hard:%d, soft:%d; max soft:%d, hard:%d\n",
2297 intel_gpu_freq(dev_priv
, rps
->min_freq
),
2298 intel_gpu_freq(dev_priv
, rps
->min_freq_softlimit
),
2299 intel_gpu_freq(dev_priv
, rps
->max_freq_softlimit
),
2300 intel_gpu_freq(dev_priv
, rps
->max_freq
));
2301 seq_printf(m
, " idle:%d, efficient:%d, boost:%d\n",
2302 intel_gpu_freq(dev_priv
, rps
->idle_freq
),
2303 intel_gpu_freq(dev_priv
, rps
->efficient_freq
),
2304 intel_gpu_freq(dev_priv
, rps
->boost_freq
));
2306 mutex_lock(&dev
->filelist_mutex
);
2307 list_for_each_entry_reverse(file
, &dev
->filelist
, lhead
) {
2308 struct drm_i915_file_private
*file_priv
= file
->driver_priv
;
2309 struct task_struct
*task
;
2312 task
= pid_task(file
->pid
, PIDTYPE_PID
);
2313 seq_printf(m
, "%s [%d]: %d boosts\n",
2314 task
? task
->comm
: "<unknown>",
2315 task
? task
->pid
: -1,
2316 atomic_read(&file_priv
->rps_client
.boosts
));
2319 seq_printf(m
, "Kernel (anonymous) boosts: %d\n",
2320 atomic_read(&rps
->boosts
));
2321 mutex_unlock(&dev
->filelist_mutex
);
2323 if (INTEL_GEN(dev_priv
) >= 6 &&
2325 dev_priv
->gt
.active_requests
) {
2327 u32 rpdown
, rpdownei
;
2329 intel_uncore_forcewake_get(dev_priv
, FORCEWAKE_ALL
);
2330 rpup
= I915_READ_FW(GEN6_RP_CUR_UP
) & GEN6_RP_EI_MASK
;
2331 rpupei
= I915_READ_FW(GEN6_RP_CUR_UP_EI
) & GEN6_RP_EI_MASK
;
2332 rpdown
= I915_READ_FW(GEN6_RP_CUR_DOWN
) & GEN6_RP_EI_MASK
;
2333 rpdownei
= I915_READ_FW(GEN6_RP_CUR_DOWN_EI
) & GEN6_RP_EI_MASK
;
2334 intel_uncore_forcewake_put(dev_priv
, FORCEWAKE_ALL
);
2336 seq_printf(m
, "\nRPS Autotuning (current \"%s\" window):\n",
2337 rps_power_to_str(rps
->power
));
2338 seq_printf(m
, " Avg. up: %d%% [above threshold? %d%%]\n",
2339 rpup
&& rpupei
? 100 * rpup
/ rpupei
: 0,
2341 seq_printf(m
, " Avg. down: %d%% [below threshold? %d%%]\n",
2342 rpdown
&& rpdownei
? 100 * rpdown
/ rpdownei
: 0,
2343 rps
->down_threshold
);
2345 seq_puts(m
, "\nRPS Autotuning inactive\n");
2351 static int i915_llc(struct seq_file
*m
, void *data
)
2353 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
2354 const bool edram
= INTEL_GEN(dev_priv
) > 8;
2356 seq_printf(m
, "LLC: %s\n", yesno(HAS_LLC(dev_priv
)));
2357 seq_printf(m
, "%s: %lluMB\n", edram
? "eDRAM" : "eLLC",
2358 intel_uncore_edram_size(dev_priv
)/1024/1024);
2363 static int i915_huc_load_status_info(struct seq_file
*m
, void *data
)
2365 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
2366 struct drm_printer p
;
2368 if (!HAS_HUC_UCODE(dev_priv
))
2371 p
= drm_seq_file_printer(m
);
2372 intel_uc_fw_dump(&dev_priv
->huc
.fw
, &p
);
2374 intel_runtime_pm_get(dev_priv
);
2375 seq_printf(m
, "\nHuC status 0x%08x:\n", I915_READ(HUC_STATUS2
));
2376 intel_runtime_pm_put(dev_priv
);
2381 static int i915_guc_load_status_info(struct seq_file
*m
, void *data
)
2383 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
2384 struct drm_printer p
;
2387 if (!HAS_GUC_UCODE(dev_priv
))
2390 p
= drm_seq_file_printer(m
);
2391 intel_uc_fw_dump(&dev_priv
->guc
.fw
, &p
);
2393 intel_runtime_pm_get(dev_priv
);
2395 tmp
= I915_READ(GUC_STATUS
);
2397 seq_printf(m
, "\nGuC status 0x%08x:\n", tmp
);
2398 seq_printf(m
, "\tBootrom status = 0x%x\n",
2399 (tmp
& GS_BOOTROM_MASK
) >> GS_BOOTROM_SHIFT
);
2400 seq_printf(m
, "\tuKernel status = 0x%x\n",
2401 (tmp
& GS_UKERNEL_MASK
) >> GS_UKERNEL_SHIFT
);
2402 seq_printf(m
, "\tMIA Core status = 0x%x\n",
2403 (tmp
& GS_MIA_MASK
) >> GS_MIA_SHIFT
);
2404 seq_puts(m
, "\nScratch registers:\n");
2405 for (i
= 0; i
< 16; i
++)
2406 seq_printf(m
, "\t%2d: \t0x%x\n", i
, I915_READ(SOFT_SCRATCH(i
)));
2408 intel_runtime_pm_put(dev_priv
);
2413 static void i915_guc_log_info(struct seq_file
*m
,
2414 struct drm_i915_private
*dev_priv
)
2416 struct intel_guc
*guc
= &dev_priv
->guc
;
2418 seq_puts(m
, "\nGuC logging stats:\n");
2420 seq_printf(m
, "\tISR: flush count %10u, overflow count %10u\n",
2421 guc
->log
.flush_count
[GUC_ISR_LOG_BUFFER
],
2422 guc
->log
.total_overflow_count
[GUC_ISR_LOG_BUFFER
]);
2424 seq_printf(m
, "\tDPC: flush count %10u, overflow count %10u\n",
2425 guc
->log
.flush_count
[GUC_DPC_LOG_BUFFER
],
2426 guc
->log
.total_overflow_count
[GUC_DPC_LOG_BUFFER
]);
2428 seq_printf(m
, "\tCRASH: flush count %10u, overflow count %10u\n",
2429 guc
->log
.flush_count
[GUC_CRASH_DUMP_LOG_BUFFER
],
2430 guc
->log
.total_overflow_count
[GUC_CRASH_DUMP_LOG_BUFFER
]);
2432 seq_printf(m
, "\tTotal flush interrupt count: %u\n",
2433 guc
->log
.flush_interrupt_count
);
2435 seq_printf(m
, "\tCapture miss count: %u\n",
2436 guc
->log
.capture_miss_count
);
2439 static void i915_guc_client_info(struct seq_file
*m
,
2440 struct drm_i915_private
*dev_priv
,
2441 struct i915_guc_client
*client
)
2443 struct intel_engine_cs
*engine
;
2444 enum intel_engine_id id
;
2447 seq_printf(m
, "\tPriority %d, GuC stage index: %u, PD offset 0x%x\n",
2448 client
->priority
, client
->stage_id
, client
->proc_desc_offset
);
2449 seq_printf(m
, "\tDoorbell id %d, offset: 0x%lx\n",
2450 client
->doorbell_id
, client
->doorbell_offset
);
2452 for_each_engine(engine
, dev_priv
, id
) {
2453 u64 submissions
= client
->submissions
[id
];
2455 seq_printf(m
, "\tSubmissions: %llu %s\n",
2456 submissions
, engine
->name
);
2458 seq_printf(m
, "\tTotal: %llu\n", tot
);
2461 static bool check_guc_submission(struct seq_file
*m
)
2463 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
2464 const struct intel_guc
*guc
= &dev_priv
->guc
;
2466 if (!guc
->execbuf_client
) {
2467 seq_printf(m
, "GuC submission %s\n",
2468 HAS_GUC_SCHED(dev_priv
) ?
2477 static int i915_guc_info(struct seq_file
*m
, void *data
)
2479 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
2480 const struct intel_guc
*guc
= &dev_priv
->guc
;
2482 if (!check_guc_submission(m
))
2485 seq_printf(m
, "Doorbell map:\n");
2486 seq_printf(m
, "\t%*pb\n", GUC_NUM_DOORBELLS
, guc
->doorbell_bitmap
);
2487 seq_printf(m
, "Doorbell next cacheline: 0x%x\n\n", guc
->db_cacheline
);
2489 seq_printf(m
, "\nGuC execbuf client @ %p:\n", guc
->execbuf_client
);
2490 i915_guc_client_info(m
, dev_priv
, guc
->execbuf_client
);
2492 i915_guc_log_info(m
, dev_priv
);
2494 /* Add more as required ... */
2499 static int i915_guc_stage_pool(struct seq_file
*m
, void *data
)
2501 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
2502 const struct intel_guc
*guc
= &dev_priv
->guc
;
2503 struct guc_stage_desc
*desc
= guc
->stage_desc_pool_vaddr
;
2504 struct i915_guc_client
*client
= guc
->execbuf_client
;
2508 if (!check_guc_submission(m
))
2511 for (index
= 0; index
< GUC_MAX_STAGE_DESCRIPTORS
; index
++, desc
++) {
2512 struct intel_engine_cs
*engine
;
2514 if (!(desc
->attribute
& GUC_STAGE_DESC_ATTR_ACTIVE
))
2517 seq_printf(m
, "GuC stage descriptor %u:\n", index
);
2518 seq_printf(m
, "\tIndex: %u\n", desc
->stage_id
);
2519 seq_printf(m
, "\tAttribute: 0x%x\n", desc
->attribute
);
2520 seq_printf(m
, "\tPriority: %d\n", desc
->priority
);
2521 seq_printf(m
, "\tDoorbell id: %d\n", desc
->db_id
);
2522 seq_printf(m
, "\tEngines used: 0x%x\n",
2523 desc
->engines_used
);
2524 seq_printf(m
, "\tDoorbell trigger phy: 0x%llx, cpu: 0x%llx, uK: 0x%x\n",
2525 desc
->db_trigger_phy
,
2526 desc
->db_trigger_cpu
,
2527 desc
->db_trigger_uk
);
2528 seq_printf(m
, "\tProcess descriptor: 0x%x\n",
2529 desc
->process_desc
);
2530 seq_printf(m
, "\tWorkqueue address: 0x%x, size: 0x%x\n",
2531 desc
->wq_addr
, desc
->wq_size
);
2534 for_each_engine_masked(engine
, dev_priv
, client
->engines
, tmp
) {
2535 u32 guc_engine_id
= engine
->guc_id
;
2536 struct guc_execlist_context
*lrc
=
2537 &desc
->lrc
[guc_engine_id
];
2539 seq_printf(m
, "\t%s LRC:\n", engine
->name
);
2540 seq_printf(m
, "\t\tContext desc: 0x%x\n",
2542 seq_printf(m
, "\t\tContext id: 0x%x\n", lrc
->context_id
);
2543 seq_printf(m
, "\t\tLRCA: 0x%x\n", lrc
->ring_lrca
);
2544 seq_printf(m
, "\t\tRing begin: 0x%x\n", lrc
->ring_begin
);
2545 seq_printf(m
, "\t\tRing end: 0x%x\n", lrc
->ring_end
);
2553 static int i915_guc_log_dump(struct seq_file
*m
, void *data
)
2555 struct drm_info_node
*node
= m
->private;
2556 struct drm_i915_private
*dev_priv
= node_to_i915(node
);
2557 bool dump_load_err
= !!node
->info_ent
->data
;
2558 struct drm_i915_gem_object
*obj
= NULL
;
2563 obj
= dev_priv
->guc
.load_err_log
;
2564 else if (dev_priv
->guc
.log
.vma
)
2565 obj
= dev_priv
->guc
.log
.vma
->obj
;
2570 log
= i915_gem_object_pin_map(obj
, I915_MAP_WC
);
2572 DRM_DEBUG("Failed to pin object\n");
2573 seq_puts(m
, "(log data unaccessible)\n");
2574 return PTR_ERR(log
);
2577 for (i
= 0; i
< obj
->base
.size
/ sizeof(u32
); i
+= 4)
2578 seq_printf(m
, "0x%08x 0x%08x 0x%08x 0x%08x\n",
2579 *(log
+ i
), *(log
+ i
+ 1),
2580 *(log
+ i
+ 2), *(log
+ i
+ 3));
2584 i915_gem_object_unpin_map(obj
);
2589 static int i915_guc_log_control_get(void *data
, u64
*val
)
2591 struct drm_i915_private
*dev_priv
= data
;
2593 if (!dev_priv
->guc
.log
.vma
)
2596 *val
= i915_modparams
.guc_log_level
;
2601 static int i915_guc_log_control_set(void *data
, u64 val
)
2603 struct drm_i915_private
*dev_priv
= data
;
2606 if (!dev_priv
->guc
.log
.vma
)
2609 ret
= mutex_lock_interruptible(&dev_priv
->drm
.struct_mutex
);
2613 intel_runtime_pm_get(dev_priv
);
2614 ret
= i915_guc_log_control(dev_priv
, val
);
2615 intel_runtime_pm_put(dev_priv
);
2617 mutex_unlock(&dev_priv
->drm
.struct_mutex
);
2621 DEFINE_SIMPLE_ATTRIBUTE(i915_guc_log_control_fops
,
2622 i915_guc_log_control_get
, i915_guc_log_control_set
,
2625 static const char *psr2_live_status(u32 val
)
2627 static const char * const live_status
[] = {
2641 val
= (val
& EDP_PSR2_STATUS_STATE_MASK
) >> EDP_PSR2_STATUS_STATE_SHIFT
;
2642 if (val
< ARRAY_SIZE(live_status
))
2643 return live_status
[val
];
2648 static int i915_edp_psr_status(struct seq_file
*m
, void *data
)
2650 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
2654 bool enabled
= false;
2656 if (!HAS_PSR(dev_priv
)) {
2657 seq_puts(m
, "PSR not supported\n");
2661 intel_runtime_pm_get(dev_priv
);
2663 mutex_lock(&dev_priv
->psr
.lock
);
2664 seq_printf(m
, "Sink_Support: %s\n", yesno(dev_priv
->psr
.sink_support
));
2665 seq_printf(m
, "Source_OK: %s\n", yesno(dev_priv
->psr
.source_ok
));
2666 seq_printf(m
, "Enabled: %s\n", yesno((bool)dev_priv
->psr
.enabled
));
2667 seq_printf(m
, "Active: %s\n", yesno(dev_priv
->psr
.active
));
2668 seq_printf(m
, "Busy frontbuffer bits: 0x%03x\n",
2669 dev_priv
->psr
.busy_frontbuffer_bits
);
2670 seq_printf(m
, "Re-enable work scheduled: %s\n",
2671 yesno(work_busy(&dev_priv
->psr
.work
.work
)));
2673 if (HAS_DDI(dev_priv
)) {
2674 if (dev_priv
->psr
.psr2_support
)
2675 enabled
= I915_READ(EDP_PSR2_CTL
) & EDP_PSR2_ENABLE
;
2677 enabled
= I915_READ(EDP_PSR_CTL
) & EDP_PSR_ENABLE
;
2679 for_each_pipe(dev_priv
, pipe
) {
2680 enum transcoder cpu_transcoder
=
2681 intel_pipe_to_cpu_transcoder(dev_priv
, pipe
);
2682 enum intel_display_power_domain power_domain
;
2684 power_domain
= POWER_DOMAIN_TRANSCODER(cpu_transcoder
);
2685 if (!intel_display_power_get_if_enabled(dev_priv
,
2689 stat
[pipe
] = I915_READ(VLV_PSRSTAT(pipe
)) &
2690 VLV_EDP_PSR_CURR_STATE_MASK
;
2691 if ((stat
[pipe
] == VLV_EDP_PSR_ACTIVE_NORFB_UP
) ||
2692 (stat
[pipe
] == VLV_EDP_PSR_ACTIVE_SF_UPDATE
))
2695 intel_display_power_put(dev_priv
, power_domain
);
2699 seq_printf(m
, "Main link in standby mode: %s\n",
2700 yesno(dev_priv
->psr
.link_standby
));
2702 seq_printf(m
, "HW Enabled & Active bit: %s", yesno(enabled
));
2704 if (!HAS_DDI(dev_priv
))
2705 for_each_pipe(dev_priv
, pipe
) {
2706 if ((stat
[pipe
] == VLV_EDP_PSR_ACTIVE_NORFB_UP
) ||
2707 (stat
[pipe
] == VLV_EDP_PSR_ACTIVE_SF_UPDATE
))
2708 seq_printf(m
, " pipe %c", pipe_name(pipe
));
2713 * VLV/CHV PSR has no kind of performance counter
2714 * SKL+ Perf counter is reset to 0 everytime DC state is entered
2716 if (IS_HASWELL(dev_priv
) || IS_BROADWELL(dev_priv
)) {
2717 psrperf
= I915_READ(EDP_PSR_PERF_CNT
) &
2718 EDP_PSR_PERF_CNT_MASK
;
2720 seq_printf(m
, "Performance_Counter: %u\n", psrperf
);
2722 if (dev_priv
->psr
.psr2_support
) {
2723 u32 psr2
= I915_READ(EDP_PSR2_STATUS_CTL
);
2725 seq_printf(m
, "EDP_PSR2_STATUS_CTL: %x [%s]\n",
2726 psr2
, psr2_live_status(psr2
));
2728 mutex_unlock(&dev_priv
->psr
.lock
);
2730 intel_runtime_pm_put(dev_priv
);
2734 static int i915_sink_crc(struct seq_file
*m
, void *data
)
2736 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
2737 struct drm_device
*dev
= &dev_priv
->drm
;
2738 struct intel_connector
*connector
;
2739 struct drm_connector_list_iter conn_iter
;
2740 struct intel_dp
*intel_dp
= NULL
;
2744 drm_modeset_lock_all(dev
);
2745 drm_connector_list_iter_begin(dev
, &conn_iter
);
2746 for_each_intel_connector_iter(connector
, &conn_iter
) {
2747 struct drm_crtc
*crtc
;
2749 if (!connector
->base
.state
->best_encoder
)
2752 crtc
= connector
->base
.state
->crtc
;
2753 if (!crtc
->state
->active
)
2756 if (connector
->base
.connector_type
!= DRM_MODE_CONNECTOR_eDP
)
2759 intel_dp
= enc_to_intel_dp(connector
->base
.state
->best_encoder
);
2761 ret
= intel_dp_sink_crc(intel_dp
, crc
);
2765 seq_printf(m
, "%02x%02x%02x%02x%02x%02x\n",
2766 crc
[0], crc
[1], crc
[2],
2767 crc
[3], crc
[4], crc
[5]);
2772 drm_connector_list_iter_end(&conn_iter
);
2773 drm_modeset_unlock_all(dev
);
2777 static int i915_energy_uJ(struct seq_file
*m
, void *data
)
2779 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
2780 unsigned long long power
;
2783 if (INTEL_GEN(dev_priv
) < 6)
2786 intel_runtime_pm_get(dev_priv
);
2788 if (rdmsrl_safe(MSR_RAPL_POWER_UNIT
, &power
)) {
2789 intel_runtime_pm_put(dev_priv
);
2793 units
= (power
& 0x1f00) >> 8;
2794 power
= I915_READ(MCH_SECP_NRG_STTS
);
2795 power
= (1000000 * power
) >> units
; /* convert to uJ */
2797 intel_runtime_pm_put(dev_priv
);
2799 seq_printf(m
, "%llu", power
);
2804 static int i915_runtime_pm_status(struct seq_file
*m
, void *unused
)
2806 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
2807 struct pci_dev
*pdev
= dev_priv
->drm
.pdev
;
2809 if (!HAS_RUNTIME_PM(dev_priv
))
2810 seq_puts(m
, "Runtime power management not supported\n");
2812 seq_printf(m
, "GPU idle: %s\n", yesno(!dev_priv
->gt
.awake
));
2813 seq_printf(m
, "IRQs disabled: %s\n",
2814 yesno(!intel_irqs_enabled(dev_priv
)));
2816 seq_printf(m
, "Usage count: %d\n",
2817 atomic_read(&dev_priv
->drm
.dev
->power
.usage_count
));
2819 seq_printf(m
, "Device Power Management (CONFIG_PM) disabled\n");
2821 seq_printf(m
, "PCI device power state: %s [%d]\n",
2822 pci_power_name(pdev
->current_state
),
2823 pdev
->current_state
);
2828 static int i915_power_domain_info(struct seq_file
*m
, void *unused
)
2830 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
2831 struct i915_power_domains
*power_domains
= &dev_priv
->power_domains
;
2834 mutex_lock(&power_domains
->lock
);
2836 seq_printf(m
, "%-25s %s\n", "Power well/domain", "Use count");
2837 for (i
= 0; i
< power_domains
->power_well_count
; i
++) {
2838 struct i915_power_well
*power_well
;
2839 enum intel_display_power_domain power_domain
;
2841 power_well
= &power_domains
->power_wells
[i
];
2842 seq_printf(m
, "%-25s %d\n", power_well
->name
,
2845 for_each_power_domain(power_domain
, power_well
->domains
)
2846 seq_printf(m
, " %-23s %d\n",
2847 intel_display_power_domain_str(power_domain
),
2848 power_domains
->domain_use_count
[power_domain
]);
2851 mutex_unlock(&power_domains
->lock
);
2856 static int i915_dmc_info(struct seq_file
*m
, void *unused
)
2858 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
2859 struct intel_csr
*csr
;
2861 if (!HAS_CSR(dev_priv
)) {
2862 seq_puts(m
, "not supported\n");
2866 csr
= &dev_priv
->csr
;
2868 intel_runtime_pm_get(dev_priv
);
2870 seq_printf(m
, "fw loaded: %s\n", yesno(csr
->dmc_payload
!= NULL
));
2871 seq_printf(m
, "path: %s\n", csr
->fw_path
);
2873 if (!csr
->dmc_payload
)
2876 seq_printf(m
, "version: %d.%d\n", CSR_VERSION_MAJOR(csr
->version
),
2877 CSR_VERSION_MINOR(csr
->version
));
2879 if (IS_KABYLAKE(dev_priv
) ||
2880 (IS_SKYLAKE(dev_priv
) && csr
->version
>= CSR_VERSION(1, 6))) {
2881 seq_printf(m
, "DC3 -> DC5 count: %d\n",
2882 I915_READ(SKL_CSR_DC3_DC5_COUNT
));
2883 seq_printf(m
, "DC5 -> DC6 count: %d\n",
2884 I915_READ(SKL_CSR_DC5_DC6_COUNT
));
2885 } else if (IS_BROXTON(dev_priv
) && csr
->version
>= CSR_VERSION(1, 4)) {
2886 seq_printf(m
, "DC3 -> DC5 count: %d\n",
2887 I915_READ(BXT_CSR_DC3_DC5_COUNT
));
2891 seq_printf(m
, "program base: 0x%08x\n", I915_READ(CSR_PROGRAM(0)));
2892 seq_printf(m
, "ssp base: 0x%08x\n", I915_READ(CSR_SSP_BASE
));
2893 seq_printf(m
, "htp: 0x%08x\n", I915_READ(CSR_HTP_SKL
));
2895 intel_runtime_pm_put(dev_priv
);
2900 static void intel_seq_print_mode(struct seq_file
*m
, int tabs
,
2901 struct drm_display_mode
*mode
)
2905 for (i
= 0; i
< tabs
; i
++)
2908 seq_printf(m
, "id %d:\"%s\" freq %d clock %d hdisp %d hss %d hse %d htot %d vdisp %d vss %d vse %d vtot %d type 0x%x flags 0x%x\n",
2909 mode
->base
.id
, mode
->name
,
2910 mode
->vrefresh
, mode
->clock
,
2911 mode
->hdisplay
, mode
->hsync_start
,
2912 mode
->hsync_end
, mode
->htotal
,
2913 mode
->vdisplay
, mode
->vsync_start
,
2914 mode
->vsync_end
, mode
->vtotal
,
2915 mode
->type
, mode
->flags
);
2918 static void intel_encoder_info(struct seq_file
*m
,
2919 struct intel_crtc
*intel_crtc
,
2920 struct intel_encoder
*intel_encoder
)
2922 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
2923 struct drm_device
*dev
= &dev_priv
->drm
;
2924 struct drm_crtc
*crtc
= &intel_crtc
->base
;
2925 struct intel_connector
*intel_connector
;
2926 struct drm_encoder
*encoder
;
2928 encoder
= &intel_encoder
->base
;
2929 seq_printf(m
, "\tencoder %d: type: %s, connectors:\n",
2930 encoder
->base
.id
, encoder
->name
);
2931 for_each_connector_on_encoder(dev
, encoder
, intel_connector
) {
2932 struct drm_connector
*connector
= &intel_connector
->base
;
2933 seq_printf(m
, "\t\tconnector %d: type: %s, status: %s",
2936 drm_get_connector_status_name(connector
->status
));
2937 if (connector
->status
== connector_status_connected
) {
2938 struct drm_display_mode
*mode
= &crtc
->mode
;
2939 seq_printf(m
, ", mode:\n");
2940 intel_seq_print_mode(m
, 2, mode
);
2947 static void intel_crtc_info(struct seq_file
*m
, struct intel_crtc
*intel_crtc
)
2949 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
2950 struct drm_device
*dev
= &dev_priv
->drm
;
2951 struct drm_crtc
*crtc
= &intel_crtc
->base
;
2952 struct intel_encoder
*intel_encoder
;
2953 struct drm_plane_state
*plane_state
= crtc
->primary
->state
;
2954 struct drm_framebuffer
*fb
= plane_state
->fb
;
2957 seq_printf(m
, "\tfb: %d, pos: %dx%d, size: %dx%d\n",
2958 fb
->base
.id
, plane_state
->src_x
>> 16,
2959 plane_state
->src_y
>> 16, fb
->width
, fb
->height
);
2961 seq_puts(m
, "\tprimary plane disabled\n");
2962 for_each_encoder_on_crtc(dev
, crtc
, intel_encoder
)
2963 intel_encoder_info(m
, intel_crtc
, intel_encoder
);
2966 static void intel_panel_info(struct seq_file
*m
, struct intel_panel
*panel
)
2968 struct drm_display_mode
*mode
= panel
->fixed_mode
;
2970 seq_printf(m
, "\tfixed mode:\n");
2971 intel_seq_print_mode(m
, 2, mode
);
2974 static void intel_dp_info(struct seq_file
*m
,
2975 struct intel_connector
*intel_connector
)
2977 struct intel_encoder
*intel_encoder
= intel_connector
->encoder
;
2978 struct intel_dp
*intel_dp
= enc_to_intel_dp(&intel_encoder
->base
);
2980 seq_printf(m
, "\tDPCD rev: %x\n", intel_dp
->dpcd
[DP_DPCD_REV
]);
2981 seq_printf(m
, "\taudio support: %s\n", yesno(intel_dp
->has_audio
));
2982 if (intel_connector
->base
.connector_type
== DRM_MODE_CONNECTOR_eDP
)
2983 intel_panel_info(m
, &intel_connector
->panel
);
2985 drm_dp_downstream_debug(m
, intel_dp
->dpcd
, intel_dp
->downstream_ports
,
2989 static void intel_dp_mst_info(struct seq_file
*m
,
2990 struct intel_connector
*intel_connector
)
2992 struct intel_encoder
*intel_encoder
= intel_connector
->encoder
;
2993 struct intel_dp_mst_encoder
*intel_mst
=
2994 enc_to_mst(&intel_encoder
->base
);
2995 struct intel_digital_port
*intel_dig_port
= intel_mst
->primary
;
2996 struct intel_dp
*intel_dp
= &intel_dig_port
->dp
;
2997 bool has_audio
= drm_dp_mst_port_has_audio(&intel_dp
->mst_mgr
,
2998 intel_connector
->port
);
3000 seq_printf(m
, "\taudio support: %s\n", yesno(has_audio
));
3003 static void intel_hdmi_info(struct seq_file
*m
,
3004 struct intel_connector
*intel_connector
)
3006 struct intel_encoder
*intel_encoder
= intel_connector
->encoder
;
3007 struct intel_hdmi
*intel_hdmi
= enc_to_intel_hdmi(&intel_encoder
->base
);
3009 seq_printf(m
, "\taudio support: %s\n", yesno(intel_hdmi
->has_audio
));
3012 static void intel_lvds_info(struct seq_file
*m
,
3013 struct intel_connector
*intel_connector
)
3015 intel_panel_info(m
, &intel_connector
->panel
);
3018 static void intel_connector_info(struct seq_file
*m
,
3019 struct drm_connector
*connector
)
3021 struct intel_connector
*intel_connector
= to_intel_connector(connector
);
3022 struct intel_encoder
*intel_encoder
= intel_connector
->encoder
;
3023 struct drm_display_mode
*mode
;
3025 seq_printf(m
, "connector %d: type %s, status: %s\n",
3026 connector
->base
.id
, connector
->name
,
3027 drm_get_connector_status_name(connector
->status
));
3028 if (connector
->status
== connector_status_connected
) {
3029 seq_printf(m
, "\tname: %s\n", connector
->display_info
.name
);
3030 seq_printf(m
, "\tphysical dimensions: %dx%dmm\n",
3031 connector
->display_info
.width_mm
,
3032 connector
->display_info
.height_mm
);
3033 seq_printf(m
, "\tsubpixel order: %s\n",
3034 drm_get_subpixel_order_name(connector
->display_info
.subpixel_order
));
3035 seq_printf(m
, "\tCEA rev: %d\n",
3036 connector
->display_info
.cea_rev
);
3042 switch (connector
->connector_type
) {
3043 case DRM_MODE_CONNECTOR_DisplayPort
:
3044 case DRM_MODE_CONNECTOR_eDP
:
3045 if (intel_encoder
->type
== INTEL_OUTPUT_DP_MST
)
3046 intel_dp_mst_info(m
, intel_connector
);
3048 intel_dp_info(m
, intel_connector
);
3050 case DRM_MODE_CONNECTOR_LVDS
:
3051 if (intel_encoder
->type
== INTEL_OUTPUT_LVDS
)
3052 intel_lvds_info(m
, intel_connector
);
3054 case DRM_MODE_CONNECTOR_HDMIA
:
3055 if (intel_encoder
->type
== INTEL_OUTPUT_HDMI
||
3056 intel_encoder
->type
== INTEL_OUTPUT_UNKNOWN
)
3057 intel_hdmi_info(m
, intel_connector
);
3063 seq_printf(m
, "\tmodes:\n");
3064 list_for_each_entry(mode
, &connector
->modes
, head
)
3065 intel_seq_print_mode(m
, 2, mode
);
3068 static const char *plane_type(enum drm_plane_type type
)
3071 case DRM_PLANE_TYPE_OVERLAY
:
3073 case DRM_PLANE_TYPE_PRIMARY
:
3075 case DRM_PLANE_TYPE_CURSOR
:
3078 * Deliberately omitting default: to generate compiler warnings
3079 * when a new drm_plane_type gets added.
3086 static const char *plane_rotation(unsigned int rotation
)
3088 static char buf
[48];
3090 * According to doc only one DRM_MODE_ROTATE_ is allowed but this
3091 * will print them all to visualize if the values are misused
3093 snprintf(buf
, sizeof(buf
),
3094 "%s%s%s%s%s%s(0x%08x)",
3095 (rotation
& DRM_MODE_ROTATE_0
) ? "0 " : "",
3096 (rotation
& DRM_MODE_ROTATE_90
) ? "90 " : "",
3097 (rotation
& DRM_MODE_ROTATE_180
) ? "180 " : "",
3098 (rotation
& DRM_MODE_ROTATE_270
) ? "270 " : "",
3099 (rotation
& DRM_MODE_REFLECT_X
) ? "FLIPX " : "",
3100 (rotation
& DRM_MODE_REFLECT_Y
) ? "FLIPY " : "",
3106 static void intel_plane_info(struct seq_file
*m
, struct intel_crtc
*intel_crtc
)
3108 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
3109 struct drm_device
*dev
= &dev_priv
->drm
;
3110 struct intel_plane
*intel_plane
;
3112 for_each_intel_plane_on_crtc(dev
, intel_crtc
, intel_plane
) {
3113 struct drm_plane_state
*state
;
3114 struct drm_plane
*plane
= &intel_plane
->base
;
3115 struct drm_format_name_buf format_name
;
3117 if (!plane
->state
) {
3118 seq_puts(m
, "plane->state is NULL!\n");
3122 state
= plane
->state
;
3125 drm_get_format_name(state
->fb
->format
->format
,
3128 sprintf(format_name
.str
, "N/A");
3131 seq_printf(m
, "\t--Plane id %d: type=%s, crtc_pos=%4dx%4d, crtc_size=%4dx%4d, src_pos=%d.%04ux%d.%04u, src_size=%d.%04ux%d.%04u, format=%s, rotation=%s\n",
3133 plane_type(intel_plane
->base
.type
),
3134 state
->crtc_x
, state
->crtc_y
,
3135 state
->crtc_w
, state
->crtc_h
,
3136 (state
->src_x
>> 16),
3137 ((state
->src_x
& 0xffff) * 15625) >> 10,
3138 (state
->src_y
>> 16),
3139 ((state
->src_y
& 0xffff) * 15625) >> 10,
3140 (state
->src_w
>> 16),
3141 ((state
->src_w
& 0xffff) * 15625) >> 10,
3142 (state
->src_h
>> 16),
3143 ((state
->src_h
& 0xffff) * 15625) >> 10,
3145 plane_rotation(state
->rotation
));
3149 static void intel_scaler_info(struct seq_file
*m
, struct intel_crtc
*intel_crtc
)
3151 struct intel_crtc_state
*pipe_config
;
3152 int num_scalers
= intel_crtc
->num_scalers
;
3155 pipe_config
= to_intel_crtc_state(intel_crtc
->base
.state
);
3157 /* Not all platformas have a scaler */
3159 seq_printf(m
, "\tnum_scalers=%d, scaler_users=%x scaler_id=%d",
3161 pipe_config
->scaler_state
.scaler_users
,
3162 pipe_config
->scaler_state
.scaler_id
);
3164 for (i
= 0; i
< num_scalers
; i
++) {
3165 struct intel_scaler
*sc
=
3166 &pipe_config
->scaler_state
.scalers
[i
];
3168 seq_printf(m
, ", scalers[%d]: use=%s, mode=%x",
3169 i
, yesno(sc
->in_use
), sc
->mode
);
3173 seq_puts(m
, "\tNo scalers available on this platform\n");
3177 static int i915_display_info(struct seq_file
*m
, void *unused
)
3179 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
3180 struct drm_device
*dev
= &dev_priv
->drm
;
3181 struct intel_crtc
*crtc
;
3182 struct drm_connector
*connector
;
3183 struct drm_connector_list_iter conn_iter
;
3185 intel_runtime_pm_get(dev_priv
);
3186 seq_printf(m
, "CRTC info\n");
3187 seq_printf(m
, "---------\n");
3188 for_each_intel_crtc(dev
, crtc
) {
3189 struct intel_crtc_state
*pipe_config
;
3191 drm_modeset_lock(&crtc
->base
.mutex
, NULL
);
3192 pipe_config
= to_intel_crtc_state(crtc
->base
.state
);
3194 seq_printf(m
, "CRTC %d: pipe: %c, active=%s, (size=%dx%d), dither=%s, bpp=%d\n",
3195 crtc
->base
.base
.id
, pipe_name(crtc
->pipe
),
3196 yesno(pipe_config
->base
.active
),
3197 pipe_config
->pipe_src_w
, pipe_config
->pipe_src_h
,
3198 yesno(pipe_config
->dither
), pipe_config
->pipe_bpp
);
3200 if (pipe_config
->base
.active
) {
3201 struct intel_plane
*cursor
=
3202 to_intel_plane(crtc
->base
.cursor
);
3204 intel_crtc_info(m
, crtc
);
3206 seq_printf(m
, "\tcursor visible? %s, position (%d, %d), size %dx%d, addr 0x%08x\n",
3207 yesno(cursor
->base
.state
->visible
),
3208 cursor
->base
.state
->crtc_x
,
3209 cursor
->base
.state
->crtc_y
,
3210 cursor
->base
.state
->crtc_w
,
3211 cursor
->base
.state
->crtc_h
,
3212 cursor
->cursor
.base
);
3213 intel_scaler_info(m
, crtc
);
3214 intel_plane_info(m
, crtc
);
3217 seq_printf(m
, "\tunderrun reporting: cpu=%s pch=%s \n",
3218 yesno(!crtc
->cpu_fifo_underrun_disabled
),
3219 yesno(!crtc
->pch_fifo_underrun_disabled
));
3220 drm_modeset_unlock(&crtc
->base
.mutex
);
3223 seq_printf(m
, "\n");
3224 seq_printf(m
, "Connector info\n");
3225 seq_printf(m
, "--------------\n");
3226 mutex_lock(&dev
->mode_config
.mutex
);
3227 drm_connector_list_iter_begin(dev
, &conn_iter
);
3228 drm_for_each_connector_iter(connector
, &conn_iter
)
3229 intel_connector_info(m
, connector
);
3230 drm_connector_list_iter_end(&conn_iter
);
3231 mutex_unlock(&dev
->mode_config
.mutex
);
3233 intel_runtime_pm_put(dev_priv
);
3238 static int i915_engine_info(struct seq_file
*m
, void *unused
)
3240 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
3241 struct intel_engine_cs
*engine
;
3242 enum intel_engine_id id
;
3243 struct drm_printer p
;
3245 intel_runtime_pm_get(dev_priv
);
3247 seq_printf(m
, "GT awake? %s\n",
3248 yesno(dev_priv
->gt
.awake
));
3249 seq_printf(m
, "Global active requests: %d\n",
3250 dev_priv
->gt
.active_requests
);
3252 p
= drm_seq_file_printer(m
);
3253 for_each_engine(engine
, dev_priv
, id
)
3254 intel_engine_dump(engine
, &p
);
3256 intel_runtime_pm_put(dev_priv
);
3261 static int i915_shrinker_info(struct seq_file
*m
, void *unused
)
3263 struct drm_i915_private
*i915
= node_to_i915(m
->private);
3265 seq_printf(m
, "seeks = %d\n", i915
->mm
.shrinker
.seeks
);
3266 seq_printf(m
, "batch = %lu\n", i915
->mm
.shrinker
.batch
);
3271 static int i915_semaphore_status(struct seq_file
*m
, void *unused
)
3273 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
3274 struct drm_device
*dev
= &dev_priv
->drm
;
3275 struct intel_engine_cs
*engine
;
3276 int num_rings
= INTEL_INFO(dev_priv
)->num_rings
;
3277 enum intel_engine_id id
;
3280 if (!i915_modparams
.semaphores
) {
3281 seq_puts(m
, "Semaphores are disabled\n");
3285 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
3288 intel_runtime_pm_get(dev_priv
);
3290 if (IS_BROADWELL(dev_priv
)) {
3294 page
= i915_gem_object_get_page(dev_priv
->semaphore
->obj
, 0);
3296 seqno
= (uint64_t *)kmap_atomic(page
);
3297 for_each_engine(engine
, dev_priv
, id
) {
3300 seq_printf(m
, "%s\n", engine
->name
);
3302 seq_puts(m
, " Last signal:");
3303 for (j
= 0; j
< num_rings
; j
++) {
3304 offset
= id
* I915_NUM_ENGINES
+ j
;
3305 seq_printf(m
, "0x%08llx (0x%02llx) ",
3306 seqno
[offset
], offset
* 8);
3310 seq_puts(m
, " Last wait: ");
3311 for (j
= 0; j
< num_rings
; j
++) {
3312 offset
= id
+ (j
* I915_NUM_ENGINES
);
3313 seq_printf(m
, "0x%08llx (0x%02llx) ",
3314 seqno
[offset
], offset
* 8);
3319 kunmap_atomic(seqno
);
3321 seq_puts(m
, " Last signal:");
3322 for_each_engine(engine
, dev_priv
, id
)
3323 for (j
= 0; j
< num_rings
; j
++)
3324 seq_printf(m
, "0x%08x\n",
3325 I915_READ(engine
->semaphore
.mbox
.signal
[j
]));
3329 intel_runtime_pm_put(dev_priv
);
3330 mutex_unlock(&dev
->struct_mutex
);
3334 static int i915_shared_dplls_info(struct seq_file
*m
, void *unused
)
3336 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
3337 struct drm_device
*dev
= &dev_priv
->drm
;
3340 drm_modeset_lock_all(dev
);
3341 for (i
= 0; i
< dev_priv
->num_shared_dpll
; i
++) {
3342 struct intel_shared_dpll
*pll
= &dev_priv
->shared_dplls
[i
];
3344 seq_printf(m
, "DPLL%i: %s, id: %i\n", i
, pll
->name
, pll
->id
);
3345 seq_printf(m
, " crtc_mask: 0x%08x, active: 0x%x, on: %s\n",
3346 pll
->state
.crtc_mask
, pll
->active_mask
, yesno(pll
->on
));
3347 seq_printf(m
, " tracked hardware state:\n");
3348 seq_printf(m
, " dpll: 0x%08x\n", pll
->state
.hw_state
.dpll
);
3349 seq_printf(m
, " dpll_md: 0x%08x\n",
3350 pll
->state
.hw_state
.dpll_md
);
3351 seq_printf(m
, " fp0: 0x%08x\n", pll
->state
.hw_state
.fp0
);
3352 seq_printf(m
, " fp1: 0x%08x\n", pll
->state
.hw_state
.fp1
);
3353 seq_printf(m
, " wrpll: 0x%08x\n", pll
->state
.hw_state
.wrpll
);
3355 drm_modeset_unlock_all(dev
);
3360 static int i915_wa_registers(struct seq_file
*m
, void *unused
)
3364 struct intel_engine_cs
*engine
;
3365 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
3366 struct drm_device
*dev
= &dev_priv
->drm
;
3367 struct i915_workarounds
*workarounds
= &dev_priv
->workarounds
;
3368 enum intel_engine_id id
;
3370 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
3374 intel_runtime_pm_get(dev_priv
);
3376 seq_printf(m
, "Workarounds applied: %d\n", workarounds
->count
);
3377 for_each_engine(engine
, dev_priv
, id
)
3378 seq_printf(m
, "HW whitelist count for %s: %d\n",
3379 engine
->name
, workarounds
->hw_whitelist_count
[id
]);
3380 for (i
= 0; i
< workarounds
->count
; ++i
) {
3382 u32 mask
, value
, read
;
3385 addr
= workarounds
->reg
[i
].addr
;
3386 mask
= workarounds
->reg
[i
].mask
;
3387 value
= workarounds
->reg
[i
].value
;
3388 read
= I915_READ(addr
);
3389 ok
= (value
& mask
) == (read
& mask
);
3390 seq_printf(m
, "0x%X: 0x%08X, mask: 0x%08X, read: 0x%08x, status: %s\n",
3391 i915_mmio_reg_offset(addr
), value
, mask
, read
, ok
? "OK" : "FAIL");
3394 intel_runtime_pm_put(dev_priv
);
3395 mutex_unlock(&dev
->struct_mutex
);
3400 static int i915_ipc_status_show(struct seq_file
*m
, void *data
)
3402 struct drm_i915_private
*dev_priv
= m
->private;
3404 seq_printf(m
, "Isochronous Priority Control: %s\n",
3405 yesno(dev_priv
->ipc_enabled
));
3409 static int i915_ipc_status_open(struct inode
*inode
, struct file
*file
)
3411 struct drm_i915_private
*dev_priv
= inode
->i_private
;
3413 if (!HAS_IPC(dev_priv
))
3416 return single_open(file
, i915_ipc_status_show
, dev_priv
);
3419 static ssize_t
i915_ipc_status_write(struct file
*file
, const char __user
*ubuf
,
3420 size_t len
, loff_t
*offp
)
3422 struct seq_file
*m
= file
->private_data
;
3423 struct drm_i915_private
*dev_priv
= m
->private;
3427 ret
= kstrtobool_from_user(ubuf
, len
, &enable
);
3431 intel_runtime_pm_get(dev_priv
);
3432 if (!dev_priv
->ipc_enabled
&& enable
)
3433 DRM_INFO("Enabling IPC: WM will be proper only after next commit\n");
3434 dev_priv
->wm
.distrust_bios_wm
= true;
3435 dev_priv
->ipc_enabled
= enable
;
3436 intel_enable_ipc(dev_priv
);
3437 intel_runtime_pm_put(dev_priv
);
3442 static const struct file_operations i915_ipc_status_fops
= {
3443 .owner
= THIS_MODULE
,
3444 .open
= i915_ipc_status_open
,
3446 .llseek
= seq_lseek
,
3447 .release
= single_release
,
3448 .write
= i915_ipc_status_write
3451 static int i915_ddb_info(struct seq_file
*m
, void *unused
)
3453 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
3454 struct drm_device
*dev
= &dev_priv
->drm
;
3455 struct skl_ddb_allocation
*ddb
;
3456 struct skl_ddb_entry
*entry
;
3460 if (INTEL_GEN(dev_priv
) < 9)
3463 drm_modeset_lock_all(dev
);
3465 ddb
= &dev_priv
->wm
.skl_hw
.ddb
;
3467 seq_printf(m
, "%-15s%8s%8s%8s\n", "", "Start", "End", "Size");
3469 for_each_pipe(dev_priv
, pipe
) {
3470 seq_printf(m
, "Pipe %c\n", pipe_name(pipe
));
3472 for_each_universal_plane(dev_priv
, pipe
, plane
) {
3473 entry
= &ddb
->plane
[pipe
][plane
];
3474 seq_printf(m
, " Plane%-8d%8u%8u%8u\n", plane
+ 1,
3475 entry
->start
, entry
->end
,
3476 skl_ddb_entry_size(entry
));
3479 entry
= &ddb
->plane
[pipe
][PLANE_CURSOR
];
3480 seq_printf(m
, " %-13s%8u%8u%8u\n", "Cursor", entry
->start
,
3481 entry
->end
, skl_ddb_entry_size(entry
));
3484 drm_modeset_unlock_all(dev
);
3489 static void drrs_status_per_crtc(struct seq_file
*m
,
3490 struct drm_device
*dev
,
3491 struct intel_crtc
*intel_crtc
)
3493 struct drm_i915_private
*dev_priv
= to_i915(dev
);
3494 struct i915_drrs
*drrs
= &dev_priv
->drrs
;
3496 struct drm_connector
*connector
;
3497 struct drm_connector_list_iter conn_iter
;
3499 drm_connector_list_iter_begin(dev
, &conn_iter
);
3500 drm_for_each_connector_iter(connector
, &conn_iter
) {
3501 if (connector
->state
->crtc
!= &intel_crtc
->base
)
3504 seq_printf(m
, "%s:\n", connector
->name
);
3506 drm_connector_list_iter_end(&conn_iter
);
3508 if (dev_priv
->vbt
.drrs_type
== STATIC_DRRS_SUPPORT
)
3509 seq_puts(m
, "\tVBT: DRRS_type: Static");
3510 else if (dev_priv
->vbt
.drrs_type
== SEAMLESS_DRRS_SUPPORT
)
3511 seq_puts(m
, "\tVBT: DRRS_type: Seamless");
3512 else if (dev_priv
->vbt
.drrs_type
== DRRS_NOT_SUPPORTED
)
3513 seq_puts(m
, "\tVBT: DRRS_type: None");
3515 seq_puts(m
, "\tVBT: DRRS_type: FIXME: Unrecognized Value");
3517 seq_puts(m
, "\n\n");
3519 if (to_intel_crtc_state(intel_crtc
->base
.state
)->has_drrs
) {
3520 struct intel_panel
*panel
;
3522 mutex_lock(&drrs
->mutex
);
3523 /* DRRS Supported */
3524 seq_puts(m
, "\tDRRS Supported: Yes\n");
3526 /* disable_drrs() will make drrs->dp NULL */
3528 seq_puts(m
, "Idleness DRRS: Disabled");
3529 mutex_unlock(&drrs
->mutex
);
3533 panel
= &drrs
->dp
->attached_connector
->panel
;
3534 seq_printf(m
, "\t\tBusy_frontbuffer_bits: 0x%X",
3535 drrs
->busy_frontbuffer_bits
);
3537 seq_puts(m
, "\n\t\t");
3538 if (drrs
->refresh_rate_type
== DRRS_HIGH_RR
) {
3539 seq_puts(m
, "DRRS_State: DRRS_HIGH_RR\n");
3540 vrefresh
= panel
->fixed_mode
->vrefresh
;
3541 } else if (drrs
->refresh_rate_type
== DRRS_LOW_RR
) {
3542 seq_puts(m
, "DRRS_State: DRRS_LOW_RR\n");
3543 vrefresh
= panel
->downclock_mode
->vrefresh
;
3545 seq_printf(m
, "DRRS_State: Unknown(%d)\n",
3546 drrs
->refresh_rate_type
);
3547 mutex_unlock(&drrs
->mutex
);
3550 seq_printf(m
, "\t\tVrefresh: %d", vrefresh
);
3552 seq_puts(m
, "\n\t\t");
3553 mutex_unlock(&drrs
->mutex
);
3555 /* DRRS not supported. Print the VBT parameter*/
3556 seq_puts(m
, "\tDRRS Supported : No");
3561 static int i915_drrs_status(struct seq_file
*m
, void *unused
)
3563 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
3564 struct drm_device
*dev
= &dev_priv
->drm
;
3565 struct intel_crtc
*intel_crtc
;
3566 int active_crtc_cnt
= 0;
3568 drm_modeset_lock_all(dev
);
3569 for_each_intel_crtc(dev
, intel_crtc
) {
3570 if (intel_crtc
->base
.state
->active
) {
3572 seq_printf(m
, "\nCRTC %d: ", active_crtc_cnt
);
3574 drrs_status_per_crtc(m
, dev
, intel_crtc
);
3577 drm_modeset_unlock_all(dev
);
3579 if (!active_crtc_cnt
)
3580 seq_puts(m
, "No active crtc found\n");
3585 static int i915_dp_mst_info(struct seq_file
*m
, void *unused
)
3587 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
3588 struct drm_device
*dev
= &dev_priv
->drm
;
3589 struct intel_encoder
*intel_encoder
;
3590 struct intel_digital_port
*intel_dig_port
;
3591 struct drm_connector
*connector
;
3592 struct drm_connector_list_iter conn_iter
;
3594 drm_connector_list_iter_begin(dev
, &conn_iter
);
3595 drm_for_each_connector_iter(connector
, &conn_iter
) {
3596 if (connector
->connector_type
!= DRM_MODE_CONNECTOR_DisplayPort
)
3599 intel_encoder
= intel_attached_encoder(connector
);
3600 if (!intel_encoder
|| intel_encoder
->type
== INTEL_OUTPUT_DP_MST
)
3603 intel_dig_port
= enc_to_dig_port(&intel_encoder
->base
);
3604 if (!intel_dig_port
->dp
.can_mst
)
3607 seq_printf(m
, "MST Source Port %c\n",
3608 port_name(intel_dig_port
->port
));
3609 drm_dp_mst_dump_topology(m
, &intel_dig_port
->dp
.mst_mgr
);
3611 drm_connector_list_iter_end(&conn_iter
);
3616 static ssize_t
i915_displayport_test_active_write(struct file
*file
,
3617 const char __user
*ubuf
,
3618 size_t len
, loff_t
*offp
)
3622 struct drm_device
*dev
;
3623 struct drm_connector
*connector
;
3624 struct drm_connector_list_iter conn_iter
;
3625 struct intel_dp
*intel_dp
;
3628 dev
= ((struct seq_file
*)file
->private_data
)->private;
3633 input_buffer
= memdup_user_nul(ubuf
, len
);
3634 if (IS_ERR(input_buffer
))
3635 return PTR_ERR(input_buffer
);
3637 DRM_DEBUG_DRIVER("Copied %d bytes from user\n", (unsigned int)len
);
3639 drm_connector_list_iter_begin(dev
, &conn_iter
);
3640 drm_for_each_connector_iter(connector
, &conn_iter
) {
3641 struct intel_encoder
*encoder
;
3643 if (connector
->connector_type
!=
3644 DRM_MODE_CONNECTOR_DisplayPort
)
3647 encoder
= to_intel_encoder(connector
->encoder
);
3648 if (encoder
&& encoder
->type
== INTEL_OUTPUT_DP_MST
)
3651 if (encoder
&& connector
->status
== connector_status_connected
) {
3652 intel_dp
= enc_to_intel_dp(&encoder
->base
);
3653 status
= kstrtoint(input_buffer
, 10, &val
);
3656 DRM_DEBUG_DRIVER("Got %d for test active\n", val
);
3657 /* To prevent erroneous activation of the compliance
3658 * testing code, only accept an actual value of 1 here
3661 intel_dp
->compliance
.test_active
= 1;
3663 intel_dp
->compliance
.test_active
= 0;
3666 drm_connector_list_iter_end(&conn_iter
);
3667 kfree(input_buffer
);
3675 static int i915_displayport_test_active_show(struct seq_file
*m
, void *data
)
3677 struct drm_device
*dev
= m
->private;
3678 struct drm_connector
*connector
;
3679 struct drm_connector_list_iter conn_iter
;
3680 struct intel_dp
*intel_dp
;
3682 drm_connector_list_iter_begin(dev
, &conn_iter
);
3683 drm_for_each_connector_iter(connector
, &conn_iter
) {
3684 struct intel_encoder
*encoder
;
3686 if (connector
->connector_type
!=
3687 DRM_MODE_CONNECTOR_DisplayPort
)
3690 encoder
= to_intel_encoder(connector
->encoder
);
3691 if (encoder
&& encoder
->type
== INTEL_OUTPUT_DP_MST
)
3694 if (encoder
&& connector
->status
== connector_status_connected
) {
3695 intel_dp
= enc_to_intel_dp(&encoder
->base
);
3696 if (intel_dp
->compliance
.test_active
)
3703 drm_connector_list_iter_end(&conn_iter
);
3708 static int i915_displayport_test_active_open(struct inode
*inode
,
3711 struct drm_i915_private
*dev_priv
= inode
->i_private
;
3713 return single_open(file
, i915_displayport_test_active_show
,
3717 static const struct file_operations i915_displayport_test_active_fops
= {
3718 .owner
= THIS_MODULE
,
3719 .open
= i915_displayport_test_active_open
,
3721 .llseek
= seq_lseek
,
3722 .release
= single_release
,
3723 .write
= i915_displayport_test_active_write
3726 static int i915_displayport_test_data_show(struct seq_file
*m
, void *data
)
3728 struct drm_device
*dev
= m
->private;
3729 struct drm_connector
*connector
;
3730 struct drm_connector_list_iter conn_iter
;
3731 struct intel_dp
*intel_dp
;
3733 drm_connector_list_iter_begin(dev
, &conn_iter
);
3734 drm_for_each_connector_iter(connector
, &conn_iter
) {
3735 struct intel_encoder
*encoder
;
3737 if (connector
->connector_type
!=
3738 DRM_MODE_CONNECTOR_DisplayPort
)
3741 encoder
= to_intel_encoder(connector
->encoder
);
3742 if (encoder
&& encoder
->type
== INTEL_OUTPUT_DP_MST
)
3745 if (encoder
&& connector
->status
== connector_status_connected
) {
3746 intel_dp
= enc_to_intel_dp(&encoder
->base
);
3747 if (intel_dp
->compliance
.test_type
==
3748 DP_TEST_LINK_EDID_READ
)
3749 seq_printf(m
, "%lx",
3750 intel_dp
->compliance
.test_data
.edid
);
3751 else if (intel_dp
->compliance
.test_type
==
3752 DP_TEST_LINK_VIDEO_PATTERN
) {
3753 seq_printf(m
, "hdisplay: %d\n",
3754 intel_dp
->compliance
.test_data
.hdisplay
);
3755 seq_printf(m
, "vdisplay: %d\n",
3756 intel_dp
->compliance
.test_data
.vdisplay
);
3757 seq_printf(m
, "bpc: %u\n",
3758 intel_dp
->compliance
.test_data
.bpc
);
3763 drm_connector_list_iter_end(&conn_iter
);
3767 static int i915_displayport_test_data_open(struct inode
*inode
,
3770 struct drm_i915_private
*dev_priv
= inode
->i_private
;
3772 return single_open(file
, i915_displayport_test_data_show
,
3776 static const struct file_operations i915_displayport_test_data_fops
= {
3777 .owner
= THIS_MODULE
,
3778 .open
= i915_displayport_test_data_open
,
3780 .llseek
= seq_lseek
,
3781 .release
= single_release
3784 static int i915_displayport_test_type_show(struct seq_file
*m
, void *data
)
3786 struct drm_device
*dev
= m
->private;
3787 struct drm_connector
*connector
;
3788 struct drm_connector_list_iter conn_iter
;
3789 struct intel_dp
*intel_dp
;
3791 drm_connector_list_iter_begin(dev
, &conn_iter
);
3792 drm_for_each_connector_iter(connector
, &conn_iter
) {
3793 struct intel_encoder
*encoder
;
3795 if (connector
->connector_type
!=
3796 DRM_MODE_CONNECTOR_DisplayPort
)
3799 encoder
= to_intel_encoder(connector
->encoder
);
3800 if (encoder
&& encoder
->type
== INTEL_OUTPUT_DP_MST
)
3803 if (encoder
&& connector
->status
== connector_status_connected
) {
3804 intel_dp
= enc_to_intel_dp(&encoder
->base
);
3805 seq_printf(m
, "%02lx", intel_dp
->compliance
.test_type
);
3809 drm_connector_list_iter_end(&conn_iter
);
3814 static int i915_displayport_test_type_open(struct inode
*inode
,
3817 struct drm_i915_private
*dev_priv
= inode
->i_private
;
3819 return single_open(file
, i915_displayport_test_type_show
,
3823 static const struct file_operations i915_displayport_test_type_fops
= {
3824 .owner
= THIS_MODULE
,
3825 .open
= i915_displayport_test_type_open
,
3827 .llseek
= seq_lseek
,
3828 .release
= single_release
3831 static void wm_latency_show(struct seq_file
*m
, const uint16_t wm
[8])
3833 struct drm_i915_private
*dev_priv
= m
->private;
3834 struct drm_device
*dev
= &dev_priv
->drm
;
3838 if (IS_CHERRYVIEW(dev_priv
))
3840 else if (IS_VALLEYVIEW(dev_priv
))
3842 else if (IS_G4X(dev_priv
))
3845 num_levels
= ilk_wm_max_level(dev_priv
) + 1;
3847 drm_modeset_lock_all(dev
);
3849 for (level
= 0; level
< num_levels
; level
++) {
3850 unsigned int latency
= wm
[level
];
3853 * - WM1+ latency values in 0.5us units
3854 * - latencies are in us on gen9/vlv/chv
3856 if (INTEL_GEN(dev_priv
) >= 9 ||
3857 IS_VALLEYVIEW(dev_priv
) ||
3858 IS_CHERRYVIEW(dev_priv
) ||
3864 seq_printf(m
, "WM%d %u (%u.%u usec)\n",
3865 level
, wm
[level
], latency
/ 10, latency
% 10);
3868 drm_modeset_unlock_all(dev
);
3871 static int pri_wm_latency_show(struct seq_file
*m
, void *data
)
3873 struct drm_i915_private
*dev_priv
= m
->private;
3874 const uint16_t *latencies
;
3876 if (INTEL_GEN(dev_priv
) >= 9)
3877 latencies
= dev_priv
->wm
.skl_latency
;
3879 latencies
= dev_priv
->wm
.pri_latency
;
3881 wm_latency_show(m
, latencies
);
3886 static int spr_wm_latency_show(struct seq_file
*m
, void *data
)
3888 struct drm_i915_private
*dev_priv
= m
->private;
3889 const uint16_t *latencies
;
3891 if (INTEL_GEN(dev_priv
) >= 9)
3892 latencies
= dev_priv
->wm
.skl_latency
;
3894 latencies
= dev_priv
->wm
.spr_latency
;
3896 wm_latency_show(m
, latencies
);
3901 static int cur_wm_latency_show(struct seq_file
*m
, void *data
)
3903 struct drm_i915_private
*dev_priv
= m
->private;
3904 const uint16_t *latencies
;
3906 if (INTEL_GEN(dev_priv
) >= 9)
3907 latencies
= dev_priv
->wm
.skl_latency
;
3909 latencies
= dev_priv
->wm
.cur_latency
;
3911 wm_latency_show(m
, latencies
);
3916 static int pri_wm_latency_open(struct inode
*inode
, struct file
*file
)
3918 struct drm_i915_private
*dev_priv
= inode
->i_private
;
3920 if (INTEL_GEN(dev_priv
) < 5 && !IS_G4X(dev_priv
))
3923 return single_open(file
, pri_wm_latency_show
, dev_priv
);
3926 static int spr_wm_latency_open(struct inode
*inode
, struct file
*file
)
3928 struct drm_i915_private
*dev_priv
= inode
->i_private
;
3930 if (HAS_GMCH_DISPLAY(dev_priv
))
3933 return single_open(file
, spr_wm_latency_show
, dev_priv
);
3936 static int cur_wm_latency_open(struct inode
*inode
, struct file
*file
)
3938 struct drm_i915_private
*dev_priv
= inode
->i_private
;
3940 if (HAS_GMCH_DISPLAY(dev_priv
))
3943 return single_open(file
, cur_wm_latency_show
, dev_priv
);
3946 static ssize_t
wm_latency_write(struct file
*file
, const char __user
*ubuf
,
3947 size_t len
, loff_t
*offp
, uint16_t wm
[8])
3949 struct seq_file
*m
= file
->private_data
;
3950 struct drm_i915_private
*dev_priv
= m
->private;
3951 struct drm_device
*dev
= &dev_priv
->drm
;
3952 uint16_t new[8] = { 0 };
3958 if (IS_CHERRYVIEW(dev_priv
))
3960 else if (IS_VALLEYVIEW(dev_priv
))
3962 else if (IS_G4X(dev_priv
))
3965 num_levels
= ilk_wm_max_level(dev_priv
) + 1;
3967 if (len
>= sizeof(tmp
))
3970 if (copy_from_user(tmp
, ubuf
, len
))
3975 ret
= sscanf(tmp
, "%hu %hu %hu %hu %hu %hu %hu %hu",
3976 &new[0], &new[1], &new[2], &new[3],
3977 &new[4], &new[5], &new[6], &new[7]);
3978 if (ret
!= num_levels
)
3981 drm_modeset_lock_all(dev
);
3983 for (level
= 0; level
< num_levels
; level
++)
3984 wm
[level
] = new[level
];
3986 drm_modeset_unlock_all(dev
);
3992 static ssize_t
pri_wm_latency_write(struct file
*file
, const char __user
*ubuf
,
3993 size_t len
, loff_t
*offp
)
3995 struct seq_file
*m
= file
->private_data
;
3996 struct drm_i915_private
*dev_priv
= m
->private;
3997 uint16_t *latencies
;
3999 if (INTEL_GEN(dev_priv
) >= 9)
4000 latencies
= dev_priv
->wm
.skl_latency
;
4002 latencies
= dev_priv
->wm
.pri_latency
;
4004 return wm_latency_write(file
, ubuf
, len
, offp
, latencies
);
4007 static ssize_t
spr_wm_latency_write(struct file
*file
, const char __user
*ubuf
,
4008 size_t len
, loff_t
*offp
)
4010 struct seq_file
*m
= file
->private_data
;
4011 struct drm_i915_private
*dev_priv
= m
->private;
4012 uint16_t *latencies
;
4014 if (INTEL_GEN(dev_priv
) >= 9)
4015 latencies
= dev_priv
->wm
.skl_latency
;
4017 latencies
= dev_priv
->wm
.spr_latency
;
4019 return wm_latency_write(file
, ubuf
, len
, offp
, latencies
);
4022 static ssize_t
cur_wm_latency_write(struct file
*file
, const char __user
*ubuf
,
4023 size_t len
, loff_t
*offp
)
4025 struct seq_file
*m
= file
->private_data
;
4026 struct drm_i915_private
*dev_priv
= m
->private;
4027 uint16_t *latencies
;
4029 if (INTEL_GEN(dev_priv
) >= 9)
4030 latencies
= dev_priv
->wm
.skl_latency
;
4032 latencies
= dev_priv
->wm
.cur_latency
;
4034 return wm_latency_write(file
, ubuf
, len
, offp
, latencies
);
4037 static const struct file_operations i915_pri_wm_latency_fops
= {
4038 .owner
= THIS_MODULE
,
4039 .open
= pri_wm_latency_open
,
4041 .llseek
= seq_lseek
,
4042 .release
= single_release
,
4043 .write
= pri_wm_latency_write
4046 static const struct file_operations i915_spr_wm_latency_fops
= {
4047 .owner
= THIS_MODULE
,
4048 .open
= spr_wm_latency_open
,
4050 .llseek
= seq_lseek
,
4051 .release
= single_release
,
4052 .write
= spr_wm_latency_write
4055 static const struct file_operations i915_cur_wm_latency_fops
= {
4056 .owner
= THIS_MODULE
,
4057 .open
= cur_wm_latency_open
,
4059 .llseek
= seq_lseek
,
4060 .release
= single_release
,
4061 .write
= cur_wm_latency_write
4065 i915_wedged_get(void *data
, u64
*val
)
4067 struct drm_i915_private
*dev_priv
= data
;
4069 *val
= i915_terminally_wedged(&dev_priv
->gpu_error
);
4075 i915_wedged_set(void *data
, u64 val
)
4077 struct drm_i915_private
*i915
= data
;
4078 struct intel_engine_cs
*engine
;
4082 * There is no safeguard against this debugfs entry colliding
4083 * with the hangcheck calling same i915_handle_error() in
4084 * parallel, causing an explosion. For now we assume that the
4085 * test harness is responsible enough not to inject gpu hangs
4086 * while it is writing to 'i915_wedged'
4089 if (i915_reset_backoff(&i915
->gpu_error
))
4092 for_each_engine_masked(engine
, i915
, val
, tmp
) {
4093 engine
->hangcheck
.seqno
= intel_engine_get_seqno(engine
);
4094 engine
->hangcheck
.stalled
= true;
4097 i915_handle_error(i915
, val
, "Manually setting wedged to %llu", val
);
4099 wait_on_bit(&i915
->gpu_error
.flags
,
4101 TASK_UNINTERRUPTIBLE
);
4106 DEFINE_SIMPLE_ATTRIBUTE(i915_wedged_fops
,
4107 i915_wedged_get
, i915_wedged_set
,
4111 fault_irq_set(struct drm_i915_private
*i915
,
4117 err
= mutex_lock_interruptible(&i915
->drm
.struct_mutex
);
4121 err
= i915_gem_wait_for_idle(i915
,
4123 I915_WAIT_INTERRUPTIBLE
);
4128 mutex_unlock(&i915
->drm
.struct_mutex
);
4130 /* Flush idle worker to disarm irq */
4131 drain_delayed_work(&i915
->gt
.idle_work
);
4136 mutex_unlock(&i915
->drm
.struct_mutex
);
4141 i915_ring_missed_irq_get(void *data
, u64
*val
)
4143 struct drm_i915_private
*dev_priv
= data
;
4145 *val
= dev_priv
->gpu_error
.missed_irq_rings
;
4150 i915_ring_missed_irq_set(void *data
, u64 val
)
4152 struct drm_i915_private
*i915
= data
;
4154 return fault_irq_set(i915
, &i915
->gpu_error
.missed_irq_rings
, val
);
4157 DEFINE_SIMPLE_ATTRIBUTE(i915_ring_missed_irq_fops
,
4158 i915_ring_missed_irq_get
, i915_ring_missed_irq_set
,
4162 i915_ring_test_irq_get(void *data
, u64
*val
)
4164 struct drm_i915_private
*dev_priv
= data
;
4166 *val
= dev_priv
->gpu_error
.test_irq_rings
;
4172 i915_ring_test_irq_set(void *data
, u64 val
)
4174 struct drm_i915_private
*i915
= data
;
4176 val
&= INTEL_INFO(i915
)->ring_mask
;
4177 DRM_DEBUG_DRIVER("Masking interrupts on rings 0x%08llx\n", val
);
4179 return fault_irq_set(i915
, &i915
->gpu_error
.test_irq_rings
, val
);
4182 DEFINE_SIMPLE_ATTRIBUTE(i915_ring_test_irq_fops
,
4183 i915_ring_test_irq_get
, i915_ring_test_irq_set
,
4186 #define DROP_UNBOUND BIT(0)
4187 #define DROP_BOUND BIT(1)
4188 #define DROP_RETIRE BIT(2)
4189 #define DROP_ACTIVE BIT(3)
4190 #define DROP_FREED BIT(4)
4191 #define DROP_SHRINK_ALL BIT(5)
4192 #define DROP_IDLE BIT(6)
4193 #define DROP_ALL (DROP_UNBOUND | \
4201 i915_drop_caches_get(void *data
, u64
*val
)
4209 i915_drop_caches_set(void *data
, u64 val
)
4211 struct drm_i915_private
*dev_priv
= data
;
4212 struct drm_device
*dev
= &dev_priv
->drm
;
4215 DRM_DEBUG("Dropping caches: 0x%08llx [0x%08llx]\n",
4216 val
, val
& DROP_ALL
);
4218 /* No need to check and wait for gpu resets, only libdrm auto-restarts
4219 * on ioctls on -EAGAIN. */
4220 if (val
& (DROP_ACTIVE
| DROP_RETIRE
)) {
4221 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
4225 if (val
& DROP_ACTIVE
)
4226 ret
= i915_gem_wait_for_idle(dev_priv
,
4227 I915_WAIT_INTERRUPTIBLE
|
4230 if (val
& DROP_RETIRE
)
4231 i915_gem_retire_requests(dev_priv
);
4233 mutex_unlock(&dev
->struct_mutex
);
4236 fs_reclaim_acquire(GFP_KERNEL
);
4237 if (val
& DROP_BOUND
)
4238 i915_gem_shrink(dev_priv
, LONG_MAX
, NULL
, I915_SHRINK_BOUND
);
4240 if (val
& DROP_UNBOUND
)
4241 i915_gem_shrink(dev_priv
, LONG_MAX
, NULL
, I915_SHRINK_UNBOUND
);
4243 if (val
& DROP_SHRINK_ALL
)
4244 i915_gem_shrink_all(dev_priv
);
4245 fs_reclaim_release(GFP_KERNEL
);
4247 if (val
& DROP_IDLE
)
4248 drain_delayed_work(&dev_priv
->gt
.idle_work
);
4250 if (val
& DROP_FREED
) {
4252 i915_gem_drain_freed_objects(dev_priv
);
4258 DEFINE_SIMPLE_ATTRIBUTE(i915_drop_caches_fops
,
4259 i915_drop_caches_get
, i915_drop_caches_set
,
4263 i915_max_freq_get(void *data
, u64
*val
)
4265 struct drm_i915_private
*dev_priv
= data
;
4267 if (INTEL_GEN(dev_priv
) < 6)
4270 *val
= intel_gpu_freq(dev_priv
, dev_priv
->gt_pm
.rps
.max_freq_softlimit
);
4275 i915_max_freq_set(void *data
, u64 val
)
4277 struct drm_i915_private
*dev_priv
= data
;
4278 struct intel_rps
*rps
= &dev_priv
->gt_pm
.rps
;
4282 if (INTEL_GEN(dev_priv
) < 6)
4285 DRM_DEBUG_DRIVER("Manually setting max freq to %llu\n", val
);
4287 ret
= mutex_lock_interruptible(&dev_priv
->pcu_lock
);
4292 * Turbo will still be enabled, but won't go above the set value.
4294 val
= intel_freq_opcode(dev_priv
, val
);
4296 hw_max
= rps
->max_freq
;
4297 hw_min
= rps
->min_freq
;
4299 if (val
< hw_min
|| val
> hw_max
|| val
< rps
->min_freq_softlimit
) {
4300 mutex_unlock(&dev_priv
->pcu_lock
);
4304 rps
->max_freq_softlimit
= val
;
4306 if (intel_set_rps(dev_priv
, val
))
4307 DRM_DEBUG_DRIVER("failed to update RPS to new softlimit\n");
4309 mutex_unlock(&dev_priv
->pcu_lock
);
4314 DEFINE_SIMPLE_ATTRIBUTE(i915_max_freq_fops
,
4315 i915_max_freq_get
, i915_max_freq_set
,
4319 i915_min_freq_get(void *data
, u64
*val
)
4321 struct drm_i915_private
*dev_priv
= data
;
4323 if (INTEL_GEN(dev_priv
) < 6)
4326 *val
= intel_gpu_freq(dev_priv
, dev_priv
->gt_pm
.rps
.min_freq_softlimit
);
4331 i915_min_freq_set(void *data
, u64 val
)
4333 struct drm_i915_private
*dev_priv
= data
;
4334 struct intel_rps
*rps
= &dev_priv
->gt_pm
.rps
;
4338 if (INTEL_GEN(dev_priv
) < 6)
4341 DRM_DEBUG_DRIVER("Manually setting min freq to %llu\n", val
);
4343 ret
= mutex_lock_interruptible(&dev_priv
->pcu_lock
);
4348 * Turbo will still be enabled, but won't go below the set value.
4350 val
= intel_freq_opcode(dev_priv
, val
);
4352 hw_max
= rps
->max_freq
;
4353 hw_min
= rps
->min_freq
;
4356 val
> hw_max
|| val
> rps
->max_freq_softlimit
) {
4357 mutex_unlock(&dev_priv
->pcu_lock
);
4361 rps
->min_freq_softlimit
= val
;
4363 if (intel_set_rps(dev_priv
, val
))
4364 DRM_DEBUG_DRIVER("failed to update RPS to new softlimit\n");
4366 mutex_unlock(&dev_priv
->pcu_lock
);
4371 DEFINE_SIMPLE_ATTRIBUTE(i915_min_freq_fops
,
4372 i915_min_freq_get
, i915_min_freq_set
,
4376 i915_cache_sharing_get(void *data
, u64
*val
)
4378 struct drm_i915_private
*dev_priv
= data
;
4381 if (!(IS_GEN6(dev_priv
) || IS_GEN7(dev_priv
)))
4384 intel_runtime_pm_get(dev_priv
);
4386 snpcr
= I915_READ(GEN6_MBCUNIT_SNPCR
);
4388 intel_runtime_pm_put(dev_priv
);
4390 *val
= (snpcr
& GEN6_MBC_SNPCR_MASK
) >> GEN6_MBC_SNPCR_SHIFT
;
4396 i915_cache_sharing_set(void *data
, u64 val
)
4398 struct drm_i915_private
*dev_priv
= data
;
4401 if (!(IS_GEN6(dev_priv
) || IS_GEN7(dev_priv
)))
4407 intel_runtime_pm_get(dev_priv
);
4408 DRM_DEBUG_DRIVER("Manually setting uncore sharing to %llu\n", val
);
4410 /* Update the cache sharing policy here as well */
4411 snpcr
= I915_READ(GEN6_MBCUNIT_SNPCR
);
4412 snpcr
&= ~GEN6_MBC_SNPCR_MASK
;
4413 snpcr
|= (val
<< GEN6_MBC_SNPCR_SHIFT
);
4414 I915_WRITE(GEN6_MBCUNIT_SNPCR
, snpcr
);
4416 intel_runtime_pm_put(dev_priv
);
4420 DEFINE_SIMPLE_ATTRIBUTE(i915_cache_sharing_fops
,
4421 i915_cache_sharing_get
, i915_cache_sharing_set
,
4424 static void cherryview_sseu_device_status(struct drm_i915_private
*dev_priv
,
4425 struct sseu_dev_info
*sseu
)
4429 u32 sig1
[ss_max
], sig2
[ss_max
];
4431 sig1
[0] = I915_READ(CHV_POWER_SS0_SIG1
);
4432 sig1
[1] = I915_READ(CHV_POWER_SS1_SIG1
);
4433 sig2
[0] = I915_READ(CHV_POWER_SS0_SIG2
);
4434 sig2
[1] = I915_READ(CHV_POWER_SS1_SIG2
);
4436 for (ss
= 0; ss
< ss_max
; ss
++) {
4437 unsigned int eu_cnt
;
4439 if (sig1
[ss
] & CHV_SS_PG_ENABLE
)
4440 /* skip disabled subslice */
4443 sseu
->slice_mask
= BIT(0);
4444 sseu
->subslice_mask
|= BIT(ss
);
4445 eu_cnt
= ((sig1
[ss
] & CHV_EU08_PG_ENABLE
) ? 0 : 2) +
4446 ((sig1
[ss
] & CHV_EU19_PG_ENABLE
) ? 0 : 2) +
4447 ((sig1
[ss
] & CHV_EU210_PG_ENABLE
) ? 0 : 2) +
4448 ((sig2
[ss
] & CHV_EU311_PG_ENABLE
) ? 0 : 2);
4449 sseu
->eu_total
+= eu_cnt
;
4450 sseu
->eu_per_subslice
= max_t(unsigned int,
4451 sseu
->eu_per_subslice
, eu_cnt
);
4455 static void gen9_sseu_device_status(struct drm_i915_private
*dev_priv
,
4456 struct sseu_dev_info
*sseu
)
4458 int s_max
= 3, ss_max
= 4;
4460 u32 s_reg
[s_max
], eu_reg
[2*s_max
], eu_mask
[2];
4462 /* BXT has a single slice and at most 3 subslices. */
4463 if (IS_GEN9_LP(dev_priv
)) {
4468 for (s
= 0; s
< s_max
; s
++) {
4469 s_reg
[s
] = I915_READ(GEN9_SLICE_PGCTL_ACK(s
));
4470 eu_reg
[2*s
] = I915_READ(GEN9_SS01_EU_PGCTL_ACK(s
));
4471 eu_reg
[2*s
+ 1] = I915_READ(GEN9_SS23_EU_PGCTL_ACK(s
));
4474 eu_mask
[0] = GEN9_PGCTL_SSA_EU08_ACK
|
4475 GEN9_PGCTL_SSA_EU19_ACK
|
4476 GEN9_PGCTL_SSA_EU210_ACK
|
4477 GEN9_PGCTL_SSA_EU311_ACK
;
4478 eu_mask
[1] = GEN9_PGCTL_SSB_EU08_ACK
|
4479 GEN9_PGCTL_SSB_EU19_ACK
|
4480 GEN9_PGCTL_SSB_EU210_ACK
|
4481 GEN9_PGCTL_SSB_EU311_ACK
;
4483 for (s
= 0; s
< s_max
; s
++) {
4484 if ((s_reg
[s
] & GEN9_PGCTL_SLICE_ACK
) == 0)
4485 /* skip disabled slice */
4488 sseu
->slice_mask
|= BIT(s
);
4490 if (IS_GEN9_BC(dev_priv
) || IS_CANNONLAKE(dev_priv
))
4491 sseu
->subslice_mask
=
4492 INTEL_INFO(dev_priv
)->sseu
.subslice_mask
;
4494 for (ss
= 0; ss
< ss_max
; ss
++) {
4495 unsigned int eu_cnt
;
4497 if (IS_GEN9_LP(dev_priv
)) {
4498 if (!(s_reg
[s
] & (GEN9_PGCTL_SS_ACK(ss
))))
4499 /* skip disabled subslice */
4502 sseu
->subslice_mask
|= BIT(ss
);
4505 eu_cnt
= 2 * hweight32(eu_reg
[2*s
+ ss
/2] &
4507 sseu
->eu_total
+= eu_cnt
;
4508 sseu
->eu_per_subslice
= max_t(unsigned int,
4509 sseu
->eu_per_subslice
,
4515 static void broadwell_sseu_device_status(struct drm_i915_private
*dev_priv
,
4516 struct sseu_dev_info
*sseu
)
4518 u32 slice_info
= I915_READ(GEN8_GT_SLICE_INFO
);
4521 sseu
->slice_mask
= slice_info
& GEN8_LSLICESTAT_MASK
;
4523 if (sseu
->slice_mask
) {
4524 sseu
->subslice_mask
= INTEL_INFO(dev_priv
)->sseu
.subslice_mask
;
4525 sseu
->eu_per_subslice
=
4526 INTEL_INFO(dev_priv
)->sseu
.eu_per_subslice
;
4527 sseu
->eu_total
= sseu
->eu_per_subslice
*
4528 sseu_subslice_total(sseu
);
4530 /* subtract fused off EU(s) from enabled slice(s) */
4531 for (s
= 0; s
< fls(sseu
->slice_mask
); s
++) {
4533 INTEL_INFO(dev_priv
)->sseu
.subslice_7eu
[s
];
4535 sseu
->eu_total
-= hweight8(subslice_7eu
);
4540 static void i915_print_sseu_info(struct seq_file
*m
, bool is_available_info
,
4541 const struct sseu_dev_info
*sseu
)
4543 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
4544 const char *type
= is_available_info
? "Available" : "Enabled";
4546 seq_printf(m
, " %s Slice Mask: %04x\n", type
,
4548 seq_printf(m
, " %s Slice Total: %u\n", type
,
4549 hweight8(sseu
->slice_mask
));
4550 seq_printf(m
, " %s Subslice Total: %u\n", type
,
4551 sseu_subslice_total(sseu
));
4552 seq_printf(m
, " %s Subslice Mask: %04x\n", type
,
4553 sseu
->subslice_mask
);
4554 seq_printf(m
, " %s Subslice Per Slice: %u\n", type
,
4555 hweight8(sseu
->subslice_mask
));
4556 seq_printf(m
, " %s EU Total: %u\n", type
,
4558 seq_printf(m
, " %s EU Per Subslice: %u\n", type
,
4559 sseu
->eu_per_subslice
);
4561 if (!is_available_info
)
4564 seq_printf(m
, " Has Pooled EU: %s\n", yesno(HAS_POOLED_EU(dev_priv
)));
4565 if (HAS_POOLED_EU(dev_priv
))
4566 seq_printf(m
, " Min EU in pool: %u\n", sseu
->min_eu_in_pool
);
4568 seq_printf(m
, " Has Slice Power Gating: %s\n",
4569 yesno(sseu
->has_slice_pg
));
4570 seq_printf(m
, " Has Subslice Power Gating: %s\n",
4571 yesno(sseu
->has_subslice_pg
));
4572 seq_printf(m
, " Has EU Power Gating: %s\n",
4573 yesno(sseu
->has_eu_pg
));
4576 static int i915_sseu_status(struct seq_file
*m
, void *unused
)
4578 struct drm_i915_private
*dev_priv
= node_to_i915(m
->private);
4579 struct sseu_dev_info sseu
;
4581 if (INTEL_GEN(dev_priv
) < 8)
4584 seq_puts(m
, "SSEU Device Info\n");
4585 i915_print_sseu_info(m
, true, &INTEL_INFO(dev_priv
)->sseu
);
4587 seq_puts(m
, "SSEU Device Status\n");
4588 memset(&sseu
, 0, sizeof(sseu
));
4590 intel_runtime_pm_get(dev_priv
);
4592 if (IS_CHERRYVIEW(dev_priv
)) {
4593 cherryview_sseu_device_status(dev_priv
, &sseu
);
4594 } else if (IS_BROADWELL(dev_priv
)) {
4595 broadwell_sseu_device_status(dev_priv
, &sseu
);
4596 } else if (INTEL_GEN(dev_priv
) >= 9) {
4597 gen9_sseu_device_status(dev_priv
, &sseu
);
4600 intel_runtime_pm_put(dev_priv
);
4602 i915_print_sseu_info(m
, false, &sseu
);
4607 static int i915_forcewake_open(struct inode
*inode
, struct file
*file
)
4609 struct drm_i915_private
*i915
= inode
->i_private
;
4611 if (INTEL_GEN(i915
) < 6)
4614 intel_runtime_pm_get(i915
);
4615 intel_uncore_forcewake_user_get(i915
);
4620 static int i915_forcewake_release(struct inode
*inode
, struct file
*file
)
4622 struct drm_i915_private
*i915
= inode
->i_private
;
4624 if (INTEL_GEN(i915
) < 6)
4627 intel_uncore_forcewake_user_put(i915
);
4628 intel_runtime_pm_put(i915
);
4633 static const struct file_operations i915_forcewake_fops
= {
4634 .owner
= THIS_MODULE
,
4635 .open
= i915_forcewake_open
,
4636 .release
= i915_forcewake_release
,
4639 static int i915_hpd_storm_ctl_show(struct seq_file
*m
, void *data
)
4641 struct drm_i915_private
*dev_priv
= m
->private;
4642 struct i915_hotplug
*hotplug
= &dev_priv
->hotplug
;
4644 seq_printf(m
, "Threshold: %d\n", hotplug
->hpd_storm_threshold
);
4645 seq_printf(m
, "Detected: %s\n",
4646 yesno(delayed_work_pending(&hotplug
->reenable_work
)));
4651 static ssize_t
i915_hpd_storm_ctl_write(struct file
*file
,
4652 const char __user
*ubuf
, size_t len
,
4655 struct seq_file
*m
= file
->private_data
;
4656 struct drm_i915_private
*dev_priv
= m
->private;
4657 struct i915_hotplug
*hotplug
= &dev_priv
->hotplug
;
4658 unsigned int new_threshold
;
4663 if (len
>= sizeof(tmp
))
4666 if (copy_from_user(tmp
, ubuf
, len
))
4671 /* Strip newline, if any */
4672 newline
= strchr(tmp
, '\n');
4676 if (strcmp(tmp
, "reset") == 0)
4677 new_threshold
= HPD_STORM_DEFAULT_THRESHOLD
;
4678 else if (kstrtouint(tmp
, 10, &new_threshold
) != 0)
4681 if (new_threshold
> 0)
4682 DRM_DEBUG_KMS("Setting HPD storm detection threshold to %d\n",
4685 DRM_DEBUG_KMS("Disabling HPD storm detection\n");
4687 spin_lock_irq(&dev_priv
->irq_lock
);
4688 hotplug
->hpd_storm_threshold
= new_threshold
;
4689 /* Reset the HPD storm stats so we don't accidentally trigger a storm */
4691 hotplug
->stats
[i
].count
= 0;
4692 spin_unlock_irq(&dev_priv
->irq_lock
);
4694 /* Re-enable hpd immediately if we were in an irq storm */
4695 flush_delayed_work(&dev_priv
->hotplug
.reenable_work
);
4700 static int i915_hpd_storm_ctl_open(struct inode
*inode
, struct file
*file
)
4702 return single_open(file
, i915_hpd_storm_ctl_show
, inode
->i_private
);
4705 static const struct file_operations i915_hpd_storm_ctl_fops
= {
4706 .owner
= THIS_MODULE
,
4707 .open
= i915_hpd_storm_ctl_open
,
4709 .llseek
= seq_lseek
,
4710 .release
= single_release
,
4711 .write
= i915_hpd_storm_ctl_write
4714 static const struct drm_info_list i915_debugfs_list
[] = {
4715 {"i915_capabilities", i915_capabilities
, 0},
4716 {"i915_gem_objects", i915_gem_object_info
, 0},
4717 {"i915_gem_gtt", i915_gem_gtt_info
, 0},
4718 {"i915_gem_stolen", i915_gem_stolen_list_info
},
4719 {"i915_gem_seqno", i915_gem_seqno_info
, 0},
4720 {"i915_gem_fence_regs", i915_gem_fence_regs_info
, 0},
4721 {"i915_gem_interrupt", i915_interrupt_info
, 0},
4722 {"i915_gem_batch_pool", i915_gem_batch_pool_info
, 0},
4723 {"i915_guc_info", i915_guc_info
, 0},
4724 {"i915_guc_load_status", i915_guc_load_status_info
, 0},
4725 {"i915_guc_log_dump", i915_guc_log_dump
, 0},
4726 {"i915_guc_load_err_log_dump", i915_guc_log_dump
, 0, (void *)1},
4727 {"i915_guc_stage_pool", i915_guc_stage_pool
, 0},
4728 {"i915_huc_load_status", i915_huc_load_status_info
, 0},
4729 {"i915_frequency_info", i915_frequency_info
, 0},
4730 {"i915_hangcheck_info", i915_hangcheck_info
, 0},
4731 {"i915_reset_info", i915_reset_info
, 0},
4732 {"i915_drpc_info", i915_drpc_info
, 0},
4733 {"i915_emon_status", i915_emon_status
, 0},
4734 {"i915_ring_freq_table", i915_ring_freq_table
, 0},
4735 {"i915_frontbuffer_tracking", i915_frontbuffer_tracking
, 0},
4736 {"i915_fbc_status", i915_fbc_status
, 0},
4737 {"i915_ips_status", i915_ips_status
, 0},
4738 {"i915_sr_status", i915_sr_status
, 0},
4739 {"i915_opregion", i915_opregion
, 0},
4740 {"i915_vbt", i915_vbt
, 0},
4741 {"i915_gem_framebuffer", i915_gem_framebuffer_info
, 0},
4742 {"i915_context_status", i915_context_status
, 0},
4743 {"i915_dump_lrc", i915_dump_lrc
, 0},
4744 {"i915_forcewake_domains", i915_forcewake_domains
, 0},
4745 {"i915_swizzle_info", i915_swizzle_info
, 0},
4746 {"i915_ppgtt_info", i915_ppgtt_info
, 0},
4747 {"i915_llc", i915_llc
, 0},
4748 {"i915_edp_psr_status", i915_edp_psr_status
, 0},
4749 {"i915_sink_crc_eDP1", i915_sink_crc
, 0},
4750 {"i915_energy_uJ", i915_energy_uJ
, 0},
4751 {"i915_runtime_pm_status", i915_runtime_pm_status
, 0},
4752 {"i915_power_domain_info", i915_power_domain_info
, 0},
4753 {"i915_dmc_info", i915_dmc_info
, 0},
4754 {"i915_display_info", i915_display_info
, 0},
4755 {"i915_engine_info", i915_engine_info
, 0},
4756 {"i915_shrinker_info", i915_shrinker_info
, 0},
4757 {"i915_semaphore_status", i915_semaphore_status
, 0},
4758 {"i915_shared_dplls_info", i915_shared_dplls_info
, 0},
4759 {"i915_dp_mst_info", i915_dp_mst_info
, 0},
4760 {"i915_wa_registers", i915_wa_registers
, 0},
4761 {"i915_ddb_info", i915_ddb_info
, 0},
4762 {"i915_sseu_status", i915_sseu_status
, 0},
4763 {"i915_drrs_status", i915_drrs_status
, 0},
4764 {"i915_rps_boost_info", i915_rps_boost_info
, 0},
4766 #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
4768 static const struct i915_debugfs_files
{
4770 const struct file_operations
*fops
;
4771 } i915_debugfs_files
[] = {
4772 {"i915_wedged", &i915_wedged_fops
},
4773 {"i915_max_freq", &i915_max_freq_fops
},
4774 {"i915_min_freq", &i915_min_freq_fops
},
4775 {"i915_cache_sharing", &i915_cache_sharing_fops
},
4776 {"i915_ring_missed_irq", &i915_ring_missed_irq_fops
},
4777 {"i915_ring_test_irq", &i915_ring_test_irq_fops
},
4778 {"i915_gem_drop_caches", &i915_drop_caches_fops
},
4779 #if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR)
4780 {"i915_error_state", &i915_error_state_fops
},
4781 {"i915_gpu_info", &i915_gpu_info_fops
},
4783 {"i915_next_seqno", &i915_next_seqno_fops
},
4784 {"i915_display_crc_ctl", &i915_display_crc_ctl_fops
},
4785 {"i915_pri_wm_latency", &i915_pri_wm_latency_fops
},
4786 {"i915_spr_wm_latency", &i915_spr_wm_latency_fops
},
4787 {"i915_cur_wm_latency", &i915_cur_wm_latency_fops
},
4788 {"i915_fbc_false_color", &i915_fbc_false_color_fops
},
4789 {"i915_dp_test_data", &i915_displayport_test_data_fops
},
4790 {"i915_dp_test_type", &i915_displayport_test_type_fops
},
4791 {"i915_dp_test_active", &i915_displayport_test_active_fops
},
4792 {"i915_guc_log_control", &i915_guc_log_control_fops
},
4793 {"i915_hpd_storm_ctl", &i915_hpd_storm_ctl_fops
},
4794 {"i915_ipc_status", &i915_ipc_status_fops
}
4797 int i915_debugfs_register(struct drm_i915_private
*dev_priv
)
4799 struct drm_minor
*minor
= dev_priv
->drm
.primary
;
4803 ent
= debugfs_create_file("i915_forcewake_user", S_IRUSR
,
4804 minor
->debugfs_root
, to_i915(minor
->dev
),
4805 &i915_forcewake_fops
);
4809 ret
= intel_pipe_crc_create(minor
);
4813 for (i
= 0; i
< ARRAY_SIZE(i915_debugfs_files
); i
++) {
4814 ent
= debugfs_create_file(i915_debugfs_files
[i
].name
,
4816 minor
->debugfs_root
,
4817 to_i915(minor
->dev
),
4818 i915_debugfs_files
[i
].fops
);
4823 return drm_debugfs_create_files(i915_debugfs_list
,
4824 I915_DEBUGFS_ENTRIES
,
4825 minor
->debugfs_root
, minor
);
4829 /* DPCD dump start address. */
4830 unsigned int offset
;
4831 /* DPCD dump end address, inclusive. If unset, .size will be used. */
4833 /* DPCD dump size. Used if .end is unset. If unset, defaults to 1. */
4835 /* Only valid for eDP. */
4839 static const struct dpcd_block i915_dpcd_debug
[] = {
4840 { .offset
= DP_DPCD_REV
, .size
= DP_RECEIVER_CAP_SIZE
},
4841 { .offset
= DP_PSR_SUPPORT
, .end
= DP_PSR_CAPS
},
4842 { .offset
= DP_DOWNSTREAM_PORT_0
, .size
= 16 },
4843 { .offset
= DP_LINK_BW_SET
, .end
= DP_EDP_CONFIGURATION_SET
},
4844 { .offset
= DP_SINK_COUNT
, .end
= DP_ADJUST_REQUEST_LANE2_3
},
4845 { .offset
= DP_SET_POWER
},
4846 { .offset
= DP_EDP_DPCD_REV
},
4847 { .offset
= DP_EDP_GENERAL_CAP_1
, .end
= DP_EDP_GENERAL_CAP_3
},
4848 { .offset
= DP_EDP_DISPLAY_CONTROL_REGISTER
, .end
= DP_EDP_BACKLIGHT_FREQ_CAP_MAX_LSB
},
4849 { .offset
= DP_EDP_DBC_MINIMUM_BRIGHTNESS_SET
, .end
= DP_EDP_DBC_MAXIMUM_BRIGHTNESS_SET
},
4852 static int i915_dpcd_show(struct seq_file
*m
, void *data
)
4854 struct drm_connector
*connector
= m
->private;
4855 struct intel_dp
*intel_dp
=
4856 enc_to_intel_dp(&intel_attached_encoder(connector
)->base
);
4861 if (connector
->status
!= connector_status_connected
)
4864 for (i
= 0; i
< ARRAY_SIZE(i915_dpcd_debug
); i
++) {
4865 const struct dpcd_block
*b
= &i915_dpcd_debug
[i
];
4866 size_t size
= b
->end
? b
->end
- b
->offset
+ 1 : (b
->size
?: 1);
4869 connector
->connector_type
!= DRM_MODE_CONNECTOR_eDP
)
4872 /* low tech for now */
4873 if (WARN_ON(size
> sizeof(buf
)))
4876 err
= drm_dp_dpcd_read(&intel_dp
->aux
, b
->offset
, buf
, size
);
4878 DRM_ERROR("dpcd read (%zu bytes at %u) failed (%zd)\n",
4879 size
, b
->offset
, err
);
4883 seq_printf(m
, "%04x: %*ph\n", b
->offset
, (int) size
, buf
);
4889 static int i915_dpcd_open(struct inode
*inode
, struct file
*file
)
4891 return single_open(file
, i915_dpcd_show
, inode
->i_private
);
4894 static const struct file_operations i915_dpcd_fops
= {
4895 .owner
= THIS_MODULE
,
4896 .open
= i915_dpcd_open
,
4898 .llseek
= seq_lseek
,
4899 .release
= single_release
,
4902 static int i915_panel_show(struct seq_file
*m
, void *data
)
4904 struct drm_connector
*connector
= m
->private;
4905 struct intel_dp
*intel_dp
=
4906 enc_to_intel_dp(&intel_attached_encoder(connector
)->base
);
4908 if (connector
->status
!= connector_status_connected
)
4911 seq_printf(m
, "Panel power up delay: %d\n",
4912 intel_dp
->panel_power_up_delay
);
4913 seq_printf(m
, "Panel power down delay: %d\n",
4914 intel_dp
->panel_power_down_delay
);
4915 seq_printf(m
, "Backlight on delay: %d\n",
4916 intel_dp
->backlight_on_delay
);
4917 seq_printf(m
, "Backlight off delay: %d\n",
4918 intel_dp
->backlight_off_delay
);
4923 static int i915_panel_open(struct inode
*inode
, struct file
*file
)
4925 return single_open(file
, i915_panel_show
, inode
->i_private
);
4928 static const struct file_operations i915_panel_fops
= {
4929 .owner
= THIS_MODULE
,
4930 .open
= i915_panel_open
,
4932 .llseek
= seq_lseek
,
4933 .release
= single_release
,
4937 * i915_debugfs_connector_add - add i915 specific connector debugfs files
4938 * @connector: pointer to a registered drm_connector
4940 * Cleanup will be done by drm_connector_unregister() through a call to
4941 * drm_debugfs_connector_remove().
4943 * Returns 0 on success, negative error codes on error.
4945 int i915_debugfs_connector_add(struct drm_connector
*connector
)
4947 struct dentry
*root
= connector
->debugfs_entry
;
4949 /* The connector must have been registered beforehands. */
4953 if (connector
->connector_type
== DRM_MODE_CONNECTOR_DisplayPort
||
4954 connector
->connector_type
== DRM_MODE_CONNECTOR_eDP
)
4955 debugfs_create_file("i915_dpcd", S_IRUGO
, root
,
4956 connector
, &i915_dpcd_fops
);
4958 if (connector
->connector_type
== DRM_MODE_CONNECTOR_eDP
)
4959 debugfs_create_file("i915_panel_timings", S_IRUGO
, root
,
4960 connector
, &i915_panel_fops
);