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authorBen Widawsky2013-03-20 22:49:14 +0100
committerDaniel Vetter2013-03-23 12:18:06 +0100
commite3dff585508636c8d2915cc1595e04f16ccd66ba (patch)
tree30ae1678fea0d03bd46ff751a94feeda910a29aa /drivers/gpu/drm/i915/intel_pm.c
parentdrm/i915: Set the VIC in AVI infoframe for SDVO (diff)
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drm/i915: Implement WaSwitchSolVfFArbitrationPriority
Bspec mentions this for HSW+. I can't quite tell what the effects are, and I don't easily have a way to test this. 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 234f74183422..ce3db2c1f1d9 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3770,6 +3770,9 @@ static void haswell_init_clock_gating(struct drm_device *dev)
I915_WRITE(GEN6_MBCTL, I915_READ(GEN6_MBCTL) |
GEN6_MBCTL_ENABLE_BOOT_FETCH);
+ /* WaSwitchSolVfFArbitrationPriority */
+ I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) | HSW_ECOCHK_ARB_PRIO_SOL);
+
/* XXX: This is a workaround for early silicon revisions and should be
* removed later.
*/