drm/i915/kbl: Add WaDisableSbeCacheDispatchPortSharing
This is needed for all kbl revision. v2: Don't add revid checks to generic gen9 init (Arun) References: HSD#2135593 Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-21-git-send-email-mika.kuoppala@intel.com
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@ -1230,6 +1230,11 @@ static int kbl_init_workarounds(struct intel_engine_cs *engine)
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/* WaDisableGafsUnitClkGating:kbl */
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WA_SET_BIT(GEN7_UCGCTL4, GEN8_EU_GAUNIT_CLOCK_GATE_DISABLE);
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/* WaDisableSbeCacheDispatchPortSharing:kbl */
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WA_SET_BIT_MASKED(
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GEN7_HALF_SLICE_CHICKEN1,
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GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE);
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/* WaDisableLSQCROPERFforOCL:kbl */
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ret = wa_ring_whitelist_reg(engine, GEN8_L3SQCREG4);
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if (ret)
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