On Tue, Apr 13, 2021 at 11:49:03AM +0200, Daniel Vetter wrote: > It's very confusing for userspace to have to deal with inconsistencies > here, and some drivers screwed this up a bit. Most just ommitted the > format list when they meant to say that only linear modifier is > allowed, but some also meant that only implied modifiers are > acceptable (because actually none of the planes registered supported > modifiers). > > Now that this is all done consistently across all drivers, document > the rules and enforce it in the drm core. > > Cc: Pekka Paalanen <pekka.paalanen@xxxxxxxxxxxxx> > Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx> > Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx> > Cc: Maxime Ripard <mripard@xxxxxxxxxx> > Cc: Thomas Zimmermann <tzimmermann@xxxxxxx> > Cc: David Airlie <airlied@xxxxxxxx> > Cc: Daniel Vetter <daniel@xxxxxxxx> Acked-by: Maxime Ripard <maxime@xxxxxxxxxx> Maxime
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