mirror of https://gitee.com/openkylin/linux.git
drm/i915/skl: Implement WaCcsTlbPrefetchDisable:skl
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Reviewed-by: Nick Hoath <nicholas.hoath@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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drivers/gpu/drm/i915
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@ -6209,6 +6209,7 @@ enum skl_disp_power_wells {
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#define GEN9_HALF_SLICE_CHICKEN5 0xe188
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#define GEN9_DG_MIRROR_FIX_ENABLE (1<<5)
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#define GEN9_CCS_TLB_PREFETCH_ENABLE (1<<3)
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#define GEN8_ROW_CHICKEN 0xe4f0
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#define PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE (1<<8)
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@ -984,6 +984,10 @@ static int gen9_init_workarounds(struct intel_engine_cs *ring)
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/* WaDisablePartialResolveInVc:skl */
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WA_SET_BIT_MASKED(CACHE_MODE_1, GEN9_PARTIAL_RESOLVE_IN_VC_DISABLE);
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/* WaCcsTlbPrefetchDisable:skl */
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WA_CLR_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN5,
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GEN9_CCS_TLB_PREFETCH_ENABLE);
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return 0;
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}
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