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Commit 116f2b6d authored by Chia-I Wu's avatar Chia-I Wu Committed by Daniel Vetter
Browse files

drm/i915: enable HiZ Raw Stall Optimization on IVB 



The optimization helps IVB too.  No piglit regression.

Signed-off-by: default avatarChia-I Wu <olv@lunarg.com>
Reviewed-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent fe27c606

drivers/gpu/drm/i915/intel_pm.c

+4 −0
Original line number Diff line number Diff line
@@ -4866,6 +4866,10 @@ static void ivybridge_init_clock_gating(struct drm_device *dev) 


	gen7_setup_fixed_func_scheduler(dev_priv);



	/* enable HiZ Raw Stall Optimization */

	I915_WRITE(CACHE_MODE_0_GEN7,

		   _MASKED_BIT_DISABLE(HIZ_RAW_STALL_OPT_DISABLE));



	/* WaDisable4x2SubspanOptimization:ivb */

	I915_WRITE(CACHE_MODE_1,

		   _MASKED_BIT_ENABLE(PIXEL_SUBSPAN_COLLECT_OPT_DISABLE));