On Thu, Feb 05, 2015 at 10:47:20AM +0000, Nick Hoath wrote:
> Added:
> Syncing dependencies between camera and graphics
>
> v1: Added missing register bitmap
> Signed-off-by: Nick Hoath <nicholas.hoath@xxxxxxxxx>
For the record, this W/A has no name nor documentation. So well...
Reviewed-by: Damien Lespiau <damien.lespiau@xxxxxxxxx>
--
Damien
> ---
> drivers/gpu/drm/i915/i915_reg.h | 1 +
> drivers/gpu/drm/i915/intel_ringbuffer.c | 4 ++++
> 2 files changed, 5 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index cd3430f9..dab4c1e 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -6213,6 +6213,7 @@ enum skl_disp_power_wells {
> #define HALF_SLICE_CHICKEN3 0xe184
> #define HSW_SAMPLE_C_PERFORMANCE (1<<9)
> #define GEN8_CENTROID_PIXEL_OPT_DIS (1<<8)
> +#define GEN9_DISABLE_OCL_OOB_SUPPRESS_LOGIC (1<<5)
> #define GEN8_SAMPLER_POWER_BYPASS_DIS (1<<1)
>
> /* Audio */
> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
> index fa15cb6..baeec8f 100644
> --- a/drivers/gpu/drm/i915/intel_ringbuffer.c
> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
> @@ -882,6 +882,10 @@ static int gen9_init_workarounds(struct intel_engine_cs *ring)
> WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN,
> PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE);
>
> + /* Syncing dependencies between camera and graphics */
> + WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN3,
> + GEN9_DISABLE_OCL_OOB_SUPPRESS_LOGIC);
> +
> if (INTEL_REVID(dev) == SKL_A0_REVID) {
> /*
> * WaDisableDgMirrorFixInHalfSliceChicken5:skl
> --
> 2.1.1
>
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