drm/i915/kbl: Add WaDisableFenceDestinationToSLM for A0
Add this workaround for kbl revid A0 only. v2: rebase v3: carve out a non related workaround (Chris) References: HSD#1911714 Cc: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-9-git-send-email-mika.kuoppala@intel.com
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@ -1199,6 +1199,11 @@ static int kbl_init_workarounds(struct intel_engine_cs *engine)
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I915_WRITE(GEN8_GARBCNTL, (I915_READ(GEN8_GARBCNTL) |
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GEN9_GAPS_TSV_CREDIT_DISABLE));
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/* WaDisableFenceDestinationToSLM:kbl (pre-prod) */
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if (IS_KBL_REVID(dev_priv, KBL_REVID_A0, KBL_REVID_A0))
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WA_SET_BIT_MASKED(HDC_CHICKEN0,
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HDC_FENCE_DEST_SLM_DISABLE);
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return 0;
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}
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