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drm/i915/skl: Implement WaDisableChickenBitTSGBarrierAckForFFSliceCS

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Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Nick Hoath <nicholas.hoath@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Damien Lespiau
2015-02-09 19:33:20 +00:00
committed by Daniel Vetter
parent 81e231afe7
commit 2caa3b260a
2 changed files with 9 additions and 1 deletions
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7
drivers/gpu/drm/i915/intel_pm.c
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@@ -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 */