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authorVille Syrjälä <ville.syrjala@linux.intel.com>2013-04-04 12:13:41 (GMT)
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-04-18 07:43:18 (GMT)
commita65c2fcd00518b7339d72e08e6b2b4261fbcc22a (patch)
treef89d7fb6a4eb2eb64898387f258fa0023f12b322 /drivers
parent3b9d7888df1d1ee9928e2ab41b2ca2fca70a4a79 (diff)
downloadlinux-fsl-qoriq-a65c2fcd00518b7339d72e08e6b2b4261fbcc22a.tar.xz
drm/i915: Set GAC_ECO_BITS register on Gen7+
According to BSpec GAC_ECO_BITS register exists on Gen7 platforms as well. Configure it accordingly. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Imre Deak <imre.deak@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_gtt.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index a336c4d..fae6380 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -117,6 +117,11 @@ static int gen6_ppgtt_enable(struct drm_device *dev)
ECOCHK_PPGTT_CACHE64B);
I915_WRITE(GFX_MODE, _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE));
} else if (INTEL_INFO(dev)->gen >= 7) {
+ uint32_t ecobits;
+
+ ecobits = I915_READ(GAC_ECO_BITS);
+ I915_WRITE(GAC_ECO_BITS, ecobits | ECOBITS_PPGTT_CACHE64B);
+
I915_WRITE(GAM_ECOCHK, ECOCHK_PPGTT_CACHE64B);
/* GFX_MODE is per-ring on gen7+ */
}