[Intel-gfx] [PATCH 06/16] drm/i915: Ensure intel_state->active_crtcs is always set

[Maarten Lankhorst]

Op 01-04-16 om 03:46 schreef Matt Roper:
> We currently only setup intel_state->active_crtcs if we plan to modify
> it and write the modification back to dev_priv.  Let's ensure that
> this value is always valid, even when it isn't changing as part of an
> atomic transaction.
It should be noted that make a note that active_crtcs is not completely reliable when connection_mutex is not taken.
A parallel modeset may change this value. That said, looks like patch 9/16 fixes this.