diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 64eb3b82b466..4f5dcf545c89 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -77,6 +77,14 @@ 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)); |