On Thu, Feb 05, 2015 at 10:47:22AM +0000, Nick Hoath wrote:
> Move WaEnableYV12BugFixInHalfSliceChicken7 to gen9_init_workarounds
>
> v1: Add stepping check.
>
> Signed-off-by: Nick Hoath <nicholas.ho...@intel.com>
Reviewed-by: Damien Lespiau <damien.lesp...@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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