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drm/i915/gen9: Reintroduce WaEnableYV12BugFixInHalfSliceChicken7 

This basically reverts commit 465418c606
("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: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
[Mika: s/KBL/GLK on commit message]
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170512112015.19082-1-arkadiusz.hiler@intel.com
This commit is contained in:
Arkadiusz Hiler 2017-05-12 13:20:15 +02:00 committed by Mika Kuoppala
parent d567232cbd
commit 0b71cea29f
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/i915/intel_engine_cs.c
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@ -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 */