From: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Date: Thu, 20 Oct 2016 15:31:00 +0000 (+0200)
Subject: drm/i915/gen9: Remove WaEnableYV12BugFixInHalfSliceChicken7
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=465418c6064c88d4af555abe0480c417eb47eae3;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

drm/i915/gen9: Remove WaEnableYV12BugFixInHalfSliceChicken7

Dropping WA because it was for early steppings.

It is fixed in newer preproduction and all production revisions.

v2: add references, updated commit message

References: HSD#2126385, HSD#2131381, BSID#0764
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michal Winiarski <michal.winiarski@intel.com>
Signed-off-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1476977460-28088-1-git-send-email-arkadiusz.hiler@intel.com
---

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index e107455b0168..32786ba199b9 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -849,10 +849,8 @@ static int gen9_init_workarounds(struct intel_engine_cs *engine)
 		 */
 	}
 
-	/* WaEnableYV12BugFixInHalfSliceChicken7:skl,bxt,kbl */
 	/* WaEnableSamplerGPGPUPreemptionSupport:skl,bxt,kbl */
 	WA_SET_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN7,
-			  GEN9_ENABLE_YV12_BUGFIX |
 			  GEN9_ENABLE_GPGPU_PREEMPTION);
 
 	/* Wa4x4STCOptimizationDisable:skl,bxt,kbl */