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drm/i915/gen9: Implement WaEnableYV12BugFixInHalfSliceChicken7 

Move WaEnableYV12BugFixInHalfSliceChicken7 to gen9_init_workarounds

v2: Add stepping check.

Signed-off-by: Nick Hoath <nicholas.hoath@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Nick Hoath 2015-02-05 10:47:22 +00:00 committed by Daniel Vetter
parent 3dcd020a8e
commit cac23df48a
2 changed files with 9 additions and 0 deletions
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3
drivers/gpu/drm/i915/i915_reg.h
View File

@ -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

6
drivers/gpu/drm/i915/intel_ringbuffer.c
View File

@ -896,6 +896,12 @@ static int gen9_init_workarounds(struct intel_engine_cs *ring)
~GEN9_DG_MIRROR_FIX_ENABLE);
}
if (INTEL_REVID(dev) >= SKL_REVID_C0) {
/* WaEnableYV12BugFixInHalfSliceChicken7:skl */
WA_SET_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN7,
GEN9_ENABLE_YV12_BUGFIX);
}
return 0;
}