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Commit 0b71cea2 authored by Arkadiusz Hiler's avatar Arkadiusz Hiler Committed by Mika Kuoppala
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drm/i915/gen9: Reintroduce WaEnableYV12BugFixInHalfSliceChicken7 



This basically reverts commit 465418c6
("drm/i915/gen9: Remove WaEnableYV12BugFixInHalfSliceChicken7")
with small addition - marking it as affecting GLK as well.

It was incorrectly considered fixed in production steppings.

References: HSD#2126385, HSD#2131381, HSDES#1504433555, BSID#0764
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: Jeff McGee <jeff.mcgee@intel.com>
Signed-off-by: default avatarArkadiusz Hiler <arkadiusz.hiler@intel.com>
Reviewed-by: default avatarMika Kuoppala <mika.kuoppala@intel.com>
[Mika: s/KBL/GLK on commit message]
Signed-off-by: default avatarMika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170512112015.19082-1-arkadiusz.hiler@intel.com
parent d567232c

drivers/gpu/drm/i915/intel_engine_cs.c

+2 −0
Original line number Diff line number Diff line
@@ -851,8 +851,10 @@ static int gen9_init_workarounds(struct intel_engine_cs *engine) 
		 */

	}



	/* WaEnableYV12BugFixInHalfSliceChicken7:skl,bxt,kbl,glk */

	/* WaEnableSamplerGPGPUPreemptionSupport:skl,bxt,kbl */

	WA_SET_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN7,

			  GEN9_ENABLE_YV12_BUGFIX |

			  GEN9_ENABLE_GPGPU_PREEMPTION);



	/* Wa4x4STCOptimizationDisable:skl,bxt,kbl,glk */