On Thu, 2013-04-04 at 15:13 +0300, ville.syrjala at linux.intel.com wrote: > From: Ville Syrj?l? <ville.syrjala at 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 Syrj?l? <ville.syrjala at linux.intel.com> On the series: Reviewed-by: Imre Deak <imre.deak at 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 (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) >
