Move WaEnableYV12BugFixInHalfSliceChicken7 to gen9_init_workarounds
v1: Add stepping check.
Signed-off-by: Nick Hoath <nicholas.ho...@intel.com>
---
drivers/gpu/drm/i915/i915_reg.h | 3 +++
drivers/gpu/drm/i915/intel_ringbuffer.c | 6 ++++++
2 files changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index dab4c1e..4ee1964 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -6216,6 +6216,9 @@ enum skl_disp_power_wells {
#define GEN9_DISABLE_OCL_OOB_SUPPRESS_LOGIC (1<<5)
#define GEN8_SAMPLER_POWER_BYPASS_DIS (1<<1)
+#define GEN9_HALF_SLICE_CHICKEN7 0xe194
+#define GEN9_ENABLE_YV12_BUGFIX (1<<4)
+
/* Audio */
#define G4X_AUD_VID_DID
(dev_priv->info.display_mmio_offset + 0x62020)
#define INTEL_AUDIO_DEVCL 0x808629FB
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c
b/drivers/gpu/drm/i915/intel_ringbuffer.c
index baeec8f..884f319 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -896,6 +896,12 @@ static int gen9_init_workarounds(struct intel_engine_cs
*ring)
~GEN9_DG_MIRROR_FIX_ENABLE);
}
+ if (INTEL_REVID(dev) >= SKL_C0_REVID) {
+ /* WaEnableYV12BugFixInHalfSliceChicken7:skl */
+ WA_SET_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN7,
+ GEN9_ENABLE_YV12_BUGFIX);
+ }
+
return 0;
}
--
2.1.1
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