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drm/i915/bdw: WaSingleSubspanDispatchOnAALinesAndPoints

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Implement WaSingleSubspanDispatchOnAALinesAndPoints

BDW-A workaround.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ben Widawsky 2013-11-02 21:08:00 -07:00 committed by Daniel Vetter
parent a75f36283d
commit 4c2e7a5f64
2 changed files with 4 additions and 0 deletions
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1
drivers/gpu/drm/i915/i915_reg.h
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@ -5001,6 +5001,7 @@
#define GEN7_HALF_SLICE_CHICKEN1 0xe100 /* IVB GT1 + VLV */
#define GEN7_HALF_SLICE_CHICKEN1_GT2 0xf100
#define GEN7_MAX_PS_THREAD_DEP (8<<12)
#define GEN7_SINGLE_SUBSCAN_DISPATCH_ENABLE (1<<10)
#define GEN7_PSD_SINGLE_PORT_DISPATCH_ENABLE (1<<3)
#define GEN7_ROW_CHICKEN2 0xe4f4

3
drivers/gpu/drm/i915/intel_pm.c
View File

@ -5300,6 +5300,9 @@ static void gen8_init_clock_gating(struct drm_device *dev)
I915_WRITE(COMMON_SLICE_CHICKEN2,
_MASKED_BIT_ENABLE(GEN8_CSC2_SBE_VUE_CACHE_CONSERVATIVE));
I915_WRITE(GEN7_HALF_SLICE_CHICKEN1,
_MASKED_BIT_ENABLE(GEN7_SINGLE_SUBSCAN_DISPATCH_ENABLE));
/* WaSwitchSolVfFArbitrationPriority */
I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) | HSW_ECOCHK_ARB_PRIO_SOL);