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authorVille Syrjälä <ville.syrjala@linux.intel.com>2013-04-04 15:13:40 +0300
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-04-18 09:43:18 +0200
commit3b9d7888df1d1ee9928e2ab41b2ca2fca70a4a79 (patch)
tree2051c130923a3fbe1b04d3da2811fb881c0639ff /drivers/gpu
parent10e084979411a2f066eac5500615ca617aeaf3c9 (diff)
drm/i915: Add ECOBITS_SNB_BIT
GAC_ECO_BITS has a bit similar to GAM_ECOCHK's ECOCHK_SNB_BIT. Add the define, and enable it on SNB. 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/gpu')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_gtt.c3
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h1
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 11143b4982f..a336c4d609a 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -106,7 +106,8 @@ static int gen6_ppgtt_enable(struct drm_device *dev)
uint32_t ecochk, gab_ctl, ecobits;
ecobits = I915_READ(GAC_ECO_BITS);
- I915_WRITE(GAC_ECO_BITS, ecobits | ECOBITS_PPGTT_CACHE64B);
+ I915_WRITE(GAC_ECO_BITS, ecobits | ECOBITS_SNB_BIT |
+ ECOBITS_PPGTT_CACHE64B);
gab_ctl = I915_READ(GAB_CTL);
I915_WRITE(GAB_CTL, gab_ctl | GAB_CTL_CONT_AFTER_PAGEFAULT);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 0e4b7fb7d69..96b361f9a32 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -127,6 +127,7 @@
#define ECOCHK_PPGTT_CACHE4B (0x0<<3)
#define GAC_ECO_BITS 0x14090
+#define ECOBITS_SNB_BIT (1<<13)
#define ECOBITS_PPGTT_CACHE64B (3<<8)
#define ECOBITS_PPGTT_CACHE4B (0<<8)