Commit 5eb146dd authored Feb 04, 2014 by Ville Syrjälä Committed by Daniel Vetter Mar 04, 2014

drm/i915: Assume we implement WaStripsFansDisableFastClipPerformanceFix:snb



Based on the name, the workaround we implement is
WaStripsFansDisableFastClipPerformanceFix. Unfortunately there's no
description in the w/a database, so this is just a guess.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Antti Koskipää <antti.koskipaa@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

parent 8d85d272

drivers/gpu/drm/i915/intel_pm.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -4695,6 +4695,7 @@ static void gen6_init_clock_gating(struct drm_device *dev)
		GEN6_RCPBUNIT_CLOCK_GATE_DISABLE \|
		GEN6_RCCUNIT_CLOCK_GATE_DISABLE);

		/* WaStripsFansDisableFastClipPerformanceFix:snb */
		/* Bspec says we need to always set all mask bits. */
		I915_WRITE(_3D_CHICKEN3, (0xFFFF << 16) \|
		_3D_CHICKEN3_SF_DISABLE_FASTCLIP_CULL);