[PATCH] drm/atomic-helpers: Properly avoid full modeset dance

Legacy setCrtc has a nice fastpath for just updating the frontbuffer when the output routing doesn't change. Which I of course tried to keep working, except that I fumbled the job: The helpers correctly compute ->mode_changed, CRTC updates get correctly skipped but connector functions are called un

[Intel-gfx] [PATCH] drm/atomic-helpers: Properly avoid full modeset dance

2015-03-27 Daniel Vetter : > Legacy setCrtc has a nice fastpath for just updating the frontbuffer > when the output routing doesn't change. Which I of course tried to > keep working, except that I fumbled the job: The helpers correctly > compute ->mode_changed, CRTC updates get correctly skipped b

[PATCH] drm/atomic-helpers: Properly avoid full modeset dance

Legacy setCrtc has a nice fastpath for just updating the frontbuffer when the output routing doesn't change. Which I of course tried to keep working, except that I fumbled the job: The helpers correctly compute ->mode_changed, CRTC updates get correctly skipped but connector functions are called un