return 0;
}
+static int skl_tune_iz_hashing(struct intel_engine_cs *ring)
+{
+ struct drm_device *dev = ring->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u8 vals[3] = { 0, 0, 0 };
+ unsigned int i;
+
+ for (i = 0; i < 3; i++) {
+ u8 ss;
+
+ /*
+ * Only consider slices where one, and only one, subslice has 7
+ * EUs
+ */
+ if (hweight8(dev_priv->info.subslice_7eu[i]) != 1)
+ continue;
+
+ /*
+ * subslice_7eu[i] != 0 (because of the check above) and
+ * ss_max == 4 (maximum number of subslices possible per slice)
+ *
+ * -> 0 <= ss <= 3;
+ */
+ ss = ffs(dev_priv->info.subslice_7eu[i]) - 1;
+ vals[i] = 3 - ss;
+ }
+
+ if (vals[0] == 0 && vals[1] == 0 && vals[2] == 0)
+ return 0;
+
+ /* Tune IZ hashing. See intel_device_info_runtime_init() */
+ WA_SET_FIELD_MASKED(GEN7_GT_MODE,
+ GEN9_IZ_HASHING_MASK(2) |
+ GEN9_IZ_HASHING_MASK(1) |
+ GEN9_IZ_HASHING_MASK(0),
+ GEN9_IZ_HASHING(2, vals[2]) |
+ GEN9_IZ_HASHING(1, vals[1]) |
+ GEN9_IZ_HASHING(0, vals[0]));
+
+ return 0;
+}
+
+
static int skl_init_workarounds(struct intel_engine_cs *ring)
{
+ struct drm_device *dev = ring->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
gen9_init_workarounds(ring);
- return 0;
+ /* WaDisablePowerCompilerClockGating:skl */
+ if (INTEL_REVID(dev) == SKL_REVID_B0)
+ WA_SET_BIT_MASKED(HIZ_CHICKEN,
+ BDW_HIZ_POWER_COMPILER_CLOCK_GATING_DISABLE);
+
+ return skl_tune_iz_hashing(ring);
}
int init_workarounds_ring(struct intel_engine_cs *ring)
static int
i965_dispatch_execbuffer(struct intel_engine_cs *ring,
u64 offset, u32 length,
- unsigned flags)
+ unsigned dispatch_flags)
{
int ret;
intel_ring_emit(ring,
MI_BATCH_BUFFER_START |
MI_BATCH_GTT |
- (flags & I915_DISPATCH_SECURE ? 0 : MI_BATCH_NON_SECURE_I965));
+ (dispatch_flags & I915_DISPATCH_SECURE ?
+ 0 : MI_BATCH_NON_SECURE_I965));
intel_ring_emit(ring, offset);
intel_ring_advance(ring);
#define I830_WA_SIZE max(I830_TLB_ENTRIES*4096, I830_BATCH_LIMIT)
static int
i830_dispatch_execbuffer(struct intel_engine_cs *ring,
- u64 offset, u32 len,
- unsigned flags)
+ u64 offset, u32 len,
+ unsigned dispatch_flags)
{
u32 cs_offset = ring->scratch.gtt_offset;
int ret;
intel_ring_emit(ring, MI_NOOP);
intel_ring_advance(ring);
- if ((flags & I915_DISPATCH_PINNED) == 0) {
+ if ((dispatch_flags & I915_DISPATCH_PINNED) == 0) {
if (len > I830_BATCH_LIMIT)
return -ENOSPC;
return ret;
intel_ring_emit(ring, MI_BATCH_BUFFER);
- intel_ring_emit(ring, offset | (flags & I915_DISPATCH_SECURE ? 0 : MI_BATCH_NON_SECURE));
+ intel_ring_emit(ring, offset | (dispatch_flags & I915_DISPATCH_SECURE ?
+ 0 : MI_BATCH_NON_SECURE));
intel_ring_emit(ring, offset + len - 8);
intel_ring_emit(ring, MI_NOOP);
intel_ring_advance(ring);
static int
i915_dispatch_execbuffer(struct intel_engine_cs *ring,
u64 offset, u32 len,
- unsigned flags)
+ unsigned dispatch_flags)
{
int ret;
return ret;
intel_ring_emit(ring, MI_BATCH_BUFFER_START | MI_BATCH_GTT);
- intel_ring_emit(ring, offset | (flags & I915_DISPATCH_SECURE ? 0 : MI_BATCH_NON_SECURE));
+ intel_ring_emit(ring, offset | (dispatch_flags & I915_DISPATCH_SECURE ?
+ 0 : MI_BATCH_NON_SECURE));
intel_ring_advance(ring);
return 0;
kref_init(&request->ref);
request->ring = ring;
+ request->ringbuf = ring->buffer;
request->uniq = dev_private->request_uniq++;
ret = i915_gem_get_seqno(ring->dev, &request->seqno);
static int
gen8_ring_dispatch_execbuffer(struct intel_engine_cs *ring,
u64 offset, u32 len,
- unsigned flags)
+ unsigned dispatch_flags)
{
- bool ppgtt = USES_PPGTT(ring->dev) && !(flags & I915_DISPATCH_SECURE);
+ bool ppgtt = USES_PPGTT(ring->dev) &&
+ !(dispatch_flags & I915_DISPATCH_SECURE);
int ret;
ret = intel_ring_begin(ring, 4);
static int
hsw_ring_dispatch_execbuffer(struct intel_engine_cs *ring,
- u64 offset, u32 len,
- unsigned flags)
+ u64 offset, u32 len,
+ unsigned dispatch_flags)
{
int ret;
intel_ring_emit(ring,
MI_BATCH_BUFFER_START |
- (flags & I915_DISPATCH_SECURE ?
+ (dispatch_flags & I915_DISPATCH_SECURE ?
0 : MI_BATCH_PPGTT_HSW | MI_BATCH_NON_SECURE_HSW));
/* bit0-7 is the length on GEN6+ */
intel_ring_emit(ring, offset);
static int
gen6_ring_dispatch_execbuffer(struct intel_engine_cs *ring,
u64 offset, u32 len,
- unsigned flags)
+ unsigned dispatch_flags)
{
int ret;
intel_ring_emit(ring,
MI_BATCH_BUFFER_START |
- (flags & I915_DISPATCH_SECURE ? 0 : MI_BATCH_NON_SECURE_I965));
+ (dispatch_flags & I915_DISPATCH_SECURE ?
+ 0 : MI_BATCH_NON_SECURE_I965));
/* bit0-7 is the length on GEN6+ */
intel_ring_emit(ring, offset);
intel_ring_advance(ring);