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drm/i915: Implement WaVSRefCountFullforceMissDisable 

Implements WaVSRefCountFullforceMissDisable as documented in the BSpec
3D workarounds chapter.

Cc: Paulo Zanoni <przanoni@gmail.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ben Widawsky 2013-01-26 11:52:00 -08:00 committed by Daniel Vetter
parent cb10799c19
commit 41c0b3a88c
2 changed files with 5 additions and 0 deletions
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1
drivers/gpu/drm/i915/i915_reg.h
View File

@ -741,6 +741,7 @@
#define GEN7_FF_TS_SCHED_HS0 (0x3<<16)
#define GEN7_FF_TS_SCHED_LOAD_BALANCE (0x1<<16)
#define GEN7_FF_TS_SCHED_HW (0x0<<16) /* Default */
#define GEN7_FF_VS_REF_CNT_FFME (1 << 15)
#define GEN7_FF_VS_SCHED_HS1 (0x5<<12)
#define GEN7_FF_VS_SCHED_HS0 (0x3<<12)
#define GEN7_FF_VS_SCHED_LOAD_BALANCE (0x1<<12) /* Default */

4
drivers/gpu/drm/i915/intel_pm.c
View File

@ -3680,6 +3680,10 @@ static void gen7_setup_fixed_func_scheduler(struct drm_i915_private *dev_priv)
reg |= GEN7_FF_VS_SCHED_HW;
reg |= GEN7_FF_DS_SCHED_HW;
/* WaVSRefCountFullforceMissDisable */
if (IS_HASWELL(dev_priv->dev))
reg &= ~GEN7_FF_VS_REF_CNT_FFME;
I915_WRITE(GEN7_FF_THREAD_MODE, reg);
}