[Intel-gfx] [PATCH 1/6] drm: Let userspace check if driver supports modeset

[Chris Wilson]

Quoting José Roberto de Souza (2018-07-16 23:38:36)
> GPU accelerators usually don't have display block or the display
> driver part can be disable when building driver(for servers it save
> some resources) so it is important let userspace check this
> capability too.

We currently communicate that by having no modeset resources. What does
another cap bit accomplish that we don't already know?
-Chris