diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index a2b9c3e213f9..325f640c16c4 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -66,11 +66,16 @@ static void skl_init_clock_gating(struct drm_device *dev) GEN8_SDEUNIT_CLOCK_GATE_DISABLE); } - if (INTEL_REVID(dev) <= SKL_REVID_D0) + if (INTEL_REVID(dev) <= SKL_REVID_D0) { /* WaDisableHDCInvalidation:skl */ I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) | BDW_DISABLE_HDC_INVALIDATION); + /* WaDisableChickenBitTSGBarrierAckForFFSliceCS:skl */ + I915_WRITE(FF_SLICE_CS_CHICKEN2, + I915_READ(FF_SLICE_CS_CHICKEN2) | + GEN9_TSG_BARRIER_ACK_DISABLE); + } if (INTEL_REVID(dev) <= SKL_REVID_E0) /* WaDisableLSQCROPERFforOCL:skl */ |