[Intel-gfx] [PATCH 1/4] drm/i915/gt: Set unused mocs entry to follow PTE on tgl as on all others

Mika Kuoppala mika.kuoppala at linux.intel.com
Thu Nov 14 17:33:22 UTC 2019


Chris Wilson <chris at chris-wilson.co.uk> writes:

> Be consistent in our mocs setup on Tigerlake and set the unused control
> value to follow the PTE entry as we previously have done. The unused
> values are beyond the defines of the ABI, the consistency simplifies our
> checking.
>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

Reviewed-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>

> ---
>  drivers/gpu/drm/i915/gt/intel_mocs.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/intel_mocs.c b/drivers/gpu/drm/i915/gt/intel_mocs.c
> index 6e881c735b20..d2b445d6c258 100644
> --- a/drivers/gpu/drm/i915/gt/intel_mocs.c
> +++ b/drivers/gpu/drm/i915/gt/intel_mocs.c
> @@ -489,7 +489,7 @@ static void intel_mocs_init_global(struct intel_gt *gt)
>  	for (; index < table.n_entries; index++)
>  		intel_uncore_write(uncore,
>  				   GEN12_GLOBAL_MOCS(index),
> -				   table.table[0].control_value);
> +				   table.table[I915_MOCS_PTE].control_value);
>  }
>  
>  void intel_mocs_init(struct intel_gt *gt)
> -- 
> 2.24.0


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