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>
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@ -106,7 +106,8 @@ static int gen6_ppgtt_enable(struct drm_device *dev)
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uint32_t ecochk, gab_ctl, ecobits;
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uint32_t ecochk, gab_ctl, ecobits;
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ecobits = I915_READ(GAC_ECO_BITS);
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ecobits = I915_READ(GAC_ECO_BITS);
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I915_WRITE(GAC_ECO_BITS, ecobits | ECOBITS_PPGTT_CACHE64B);
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I915_WRITE(GAC_ECO_BITS, ecobits | ECOBITS_SNB_BIT |
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ECOBITS_PPGTT_CACHE64B);
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gab_ctl = I915_READ(GAB_CTL);
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gab_ctl = I915_READ(GAB_CTL);
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I915_WRITE(GAB_CTL, gab_ctl | GAB_CTL_CONT_AFTER_PAGEFAULT);
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I915_WRITE(GAB_CTL, gab_ctl | GAB_CTL_CONT_AFTER_PAGEFAULT);
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@ -127,6 +127,7 @@
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#define ECOCHK_PPGTT_CACHE4B (0x0<<3)
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#define ECOCHK_PPGTT_CACHE4B (0x0<<3)
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#define GAC_ECO_BITS 0x14090
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#define GAC_ECO_BITS 0x14090
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#define ECOBITS_SNB_BIT (1<<13)
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#define ECOBITS_PPGTT_CACHE64B (3<<8)
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#define ECOBITS_PPGTT_CACHE64B (3<<8)
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#define ECOBITS_PPGTT_CACHE4B (0<<8)
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#define ECOBITS_PPGTT_CACHE4B (0<<8)
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