diff options
-rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 8 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 10 |
2 files changed, 10 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index bebefe79f7ce..2b89aacdda90 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -63,14 +63,6 @@ static void gen9_init_clock_gating(struct drm_device *dev) I915_WRITE(GEN8_UCGCTL6, I915_READ(GEN8_UCGCTL6) | GEN8_SDEUNIT_CLOCK_GATE_DISABLE); - /* - * WaDisableDgMirrorFixInHalfSliceChicken5:skl - * This is a pre-production w/a. - */ - I915_WRITE(GEN9_HALF_SLICE_CHICKEN5, - I915_READ(GEN9_HALF_SLICE_CHICKEN5) & - ~GEN9_DG_MIRROR_FIX_ENABLE); - /* Wa4x4STCOptimizationDisable:skl */ I915_WRITE(CACHE_MODE_1, _MASKED_BIT_ENABLE(GEN8_4x4_STC_OPTIMIZATION_DISABLE)); diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index b869f1c68753..248db5157e02 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -882,6 +882,16 @@ static int gen9_init_workarounds(struct intel_engine_cs *ring) WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN, PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE); + if (INTEL_REVID(dev) == SKL_REVID_A0) { + /* + * WaDisableDgMirrorFixInHalfSliceChicken5:skl + * This is a pre-production w/a. + */ + I915_WRITE(GEN9_HALF_SLICE_CHICKEN5, + I915_READ(GEN9_HALF_SLICE_CHICKEN5) & + ~GEN9_DG_MIRROR_FIX_ENABLE); + } + return 0; } |