[Intel-gfx] [PATCH] drm/i915/uapi: Add DRM_I915_QUERY_GEOMETRY_SUBSLICES

[Dixit, Ashutosh]

On Mon, 14 Mar 2022 08:35:17 -0700, Tvrtko Ursulin wrote:
>
> >> Alternatively, all other uapi uses struct i915_engine_class_instance to
> >> address engines which uses u16:u16.
> >>
> >> How ugly it is to stuff a struct into u32 flags is the question... But you
> >> could at least use u16:u16 for consistency. Unless you wanted to leave some
> >> bits free for the future?
> > Originally when I wrote this I was wanting to leave space in case it was
> > ever needed. I'm not particularly for or against keeping the space now.
>
> Yes, shrug... Neither I can't guess if we are ever likely to hit a problem
> by having fewer bits for class:instance here compared to other uapi, or if
> stuffing struct i915_engine_class_instance into flags would just be too
> ugly. I mean there is option to define a new struct and not use flags at
> all but that's probably to complicated for what it is.
>
> Anyone else with an opinion? Consistency or should be fine even like it is?

Consistency. I'd prefer to stuff struct i915_engine_class_instance into
flags, fwiw.