[Intel-gfx] [RFC 4/4] drm/i915: Expose RPCS (SSEU) configuration to userspace

Lionel Landwerlin lionel.g.landwerlin at intel.com
Tue Jul 11 17:14:16 UTC 2017


On 02/05/17 12:49, Chris Wilson wrote:
> +
> +union drm_i915_gem_context_param_sseu {
> +	struct {
> +		u8 slice_mask;
> +		u8 subslice_mask;
> +		u8 min_eu_per_subslice;
> +		u8 max_eu_per_subslice;
> +	} packed;
>   	__u64 value;
>   };

I think we should probably rename slice_mask & subslice_mask and 
anywhere in the kernel as well.
Those aren't actually masks but numbers (ie number of slices/subslices 
on/off). It doesn't look like we can actually control which ones are on 
or off.

-
Lionel



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