[PATCH] drm/exynos: only run atomic_check() if crtc is active

[Andrzej Hajda]

On 11/17/2015 05:12 PM, Daniel Vetter wrote:

(...)
> 
> Check crtc_state->enable, skip if false. That's the "is this pipeline
> configured" knob. For plane/connector it's state->crtc, but with the same
> role.
> 
> I guess we could check that in the helpers, but we need to be careful to
> still call ->atomic_check for the disabling transition, in case userspace
> is asking for a vblank-synced flip that disables a plane but somehow
> that's not possible. I somewhat prefer to handle that all in drivers
> though.
> -Daniel
> 

Thanks for the explanation, Gustavo will you update your patch?

Regards
Andrzej