Added patch to kernel to fix green screen video. Only for 4.9, but it…

… will probably need to be applied to others at some point.
pauldotknopf · Mar 7, 2018 · 910879c · 910879c
1 parent 0bf7e31
commit 910879c
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diff --git a/recipes-kernel/linux/linux-intel/i915_yv12_media_driver_bug.patch b/recipes-kernel/linux/linux-intel/i915_yv12_media_driver_bug.patch
@@ -0,0 +1,15 @@
+diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
+index 2f3b22c..17a3f71 100644
+--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
++++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
+@@ -901,8 +901,9 @@ static int gen9_init_workarounds(struct intel_engine_cs *engine)
+ 		 */
+ 	}
+
+-	/* WaEnableSamplerGPGPUPreemptionSupport:skl,bxt,kbl */
++	/* WaEnableYV12BugFixInHalfSliceChicken7:skl,bxt,kbl,glk */
+ 	WA_SET_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN7,
++			  GEN9_ENABLE_YV12_BUGFIX |
+ 			  GEN9_ENABLE_GPGPU_PREEMPTION);
+
+ 	/* Wa4x4STCOptimizationDisable:skl,bxt,kbl,glk */
diff --git a/recipes-kernel/linux/linux-intel_4.9.bbappend b/recipes-kernel/linux/linux-intel_4.9.bbappend
@@ -0,0 +1,4 @@
+FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
+SRC_URI += "\
+    file://i915_yv12_media_driver_bug.patch \
+  "