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i965: When the kernel lacks the LLC check, assume it's present on gen >= 6.

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The param wasn't added until drm-intel-next for 3.4, so we were
missing our various LLC fast-paths.
This commit is contained in:
Eric Anholt 2012-03-21 14:35:14 -07:00
parent e3df28337b
commit 249fc70561
1 changed files with 7 additions and 3 deletions
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10
src/mesa/drivers/dri/intel/intel_screen.c
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@ -770,9 +770,13 @@ __DRIconfig **intelInitScreen2(__DRIscreen *psp)
intelScreen->hw_must_use_separate_stencil = intelScreen->gen >= 7;
intelScreen->dri2_has_hiz = INTEL_DRI2_HAS_HIZ_UNKNOWN;
intelScreen->hw_has_llc =
intel_get_boolean(intelScreen->driScrnPriv,
I915_PARAM_HAS_LLC);
int has_llc = 0;
bool success = intel_get_param(intelScreen->driScrnPriv, I915_PARAM_HAS_LLC,
&has_llc);
if (success && has_llc)
intelScreen->hw_has_llc = true;
else if (!success && intelScreen->gen >= 6)
intelScreen->hw_has_llc = true;
intel_override_separate_stencil(intelScreen);