On Wed, 12 Apr 2023 at 23:43, Rob Clark <robdclark@xxxxxxxxx> wrote: > +/** > + * enum drm_gem_object_status - bitmask of object state for fdinfo reporting > + * @DRM_GEM_OBJECT_RESIDENT: object is resident in memory (ie. not unpinned) > + * @DRM_GEM_OBJECT_PURGEABLE: object marked as purgeable by userspace > + * > + * Bitmask of status used for fdinfo memory stats, see &drm_gem_object_funcs.status > + * and drm_show_fdinfo(). Note that an object can DRM_GEM_OBJECT_PURGEABLE if > + * it still active or not resident, in which case drm_show_fdinfo() will not nit: s/can/can be/;s/if it still/if it is still/ > + * account for it as purgeable. So drivers do not need to check if the buffer > + * is idle and resident to return this bit. (Ie. userspace can mark a buffer > + * as purgeable even while it is still busy on the GPU.. it does not _actually_ > + * become puregeable until it becomes idle. The status gem object func does nit: s/puregeable/purgeable/ I think we want a similar note in the drm-usage-stats.rst file. With the above the whole series is: Reviewed-by: Emil Velikov <emil.l.velikov@xxxxxxxxx> Fwiw: Keeping the i915 patch as part of this series would be great. Sure i915_drm_client->id becomes dead code, but it's a piece one can live with for a release or two. Then again it's not my call to make. HTH Emil