On Thursday, May 20th, 2021 at 10:17 AM, Pekka Paalanen <ppaalanen@xxxxxxxxx> wrote: > I think adding "for all drivers" would make things much more clear, > like in the other cases you mention "atomic-capable drivers". Good point, done. > > @@ -797,6 +802,13 @@ struct drm_get_cap { > > * If set to 1, the DRM core will expose atomic properties to userspace. This > > * implicitly enables &DRM_CLIENT_CAP_UNIVERSAL_PLANES and > > * &DRM_CLIENT_CAP_ASPECT_RATIO. > > Wait, why does atomic turn on aspect ratio? That's surprising, > since I wouldn't think that atomic depends on aspect ratio features. Yes. I guess the motivation was to make sure new user-space can deal with these?