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authorBen Widawsky <ben@bwidawsk.net>2013-11-02 21:07:59 -0700
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-11-08 18:10:06 +0100
commita75f36283d12d13aa278abce3a1bb6662e28fcfb (patch)
tree3f286a9ab97ad12b99143c5a936f1c5188121660 /drivers/gpu/drm/i915/intel_pm.c
parent7f88da0cf6947c3b6a5ccad6c37336367dd69159 (diff)
drm/i915/bdw: conservative SBE VUE cache mode
Hold vertex data in cache until last reference BDW-A workaround Signed-off-by: Ben Widawsky <ben@bwidawsk.net> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 5dceb56f6ce..ccd1b88bc24 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5297,6 +5297,9 @@ static void gen8_init_clock_gating(struct drm_device *dev)
I915_WRITE(_3D_CHICKEN3,
_3D_CHICKEN_SDE_LIMIT_FIFO_POLY_DEPTH(2));
+ I915_WRITE(COMMON_SLICE_CHICKEN2,
+ _MASKED_BIT_ENABLE(GEN8_CSC2_SBE_VUE_CACHE_CONSERVATIVE));
+
/* WaSwitchSolVfFArbitrationPriority */
I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) | HSW_ECOCHK_ARB_PRIO_SOL);