On Thu, 2013-04-04 at 15:13 +0300, ville.syrj...@linux.intel.com wrote:
From: Ville Syrjälä ville.syrj...@linux.intel.com
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.syrj...@linux.intel.com
On the series:
Reviewed-by: Imre Deak imre.d...@intel.com
---
drivers/gpu/drm/i915/i915_gem_gtt.c | 3 ++-
drivers/gpu/drm/i915/i915_reg.h | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c
b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 24a23b3..593137b 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -312,7 +312,8 @@ void i915_gem_init_ppgtt(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 058686c..4b8fd4d 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 (0x03)
#define GAC_ECO_BITS 0x14090
+#define ECOBITS_SNB_BIT(113)
#define ECOBITS_PPGTT_CACHE64B (38)
#define ECOBITS_PPGTT_CACHE4B (08)
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