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drm/i915/skl: Implement Wa4x4STCOptimizationDisable:skl 

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Damien Lespiau 2014-03-26 17:42:50 +00:00 committed by Daniel Vetter
parent acd5c34640
commit 91e41d1665
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/i915/intel_pm.c
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@ -76,6 +76,10 @@ static void gen9_init_clock_gating(struct drm_device *dev)
*/ */
I915_WRITE(GEN8_UCGCTL6, I915_READ(GEN8_UCGCTL6) | I915_WRITE(GEN8_UCGCTL6, I915_READ(GEN8_UCGCTL6) |
GEN8_SDEUNIT_CLOCK_GATE_DISABLE); GEN8_SDEUNIT_CLOCK_GATE_DISABLE);
/* Wa4x4STCOptimizationDisable:skl */
I915_WRITE(CACHE_MODE_1,
_MASKED_BIT_ENABLE(GEN8_4x4_STC_OPTIMIZATION_DISABLE));
} }
static void i8xx_disable_fbc(struct drm_device *dev) static void i8xx_disable_fbc(struct drm_device *dev)