Re: [PATCH 1/2] drm/core: Preserve the framebuffer after removing it.

Tvrtko Ursulin
2015-09-09T14:51:50Z

Hi,

On 09/09/2015 03:40 PM, Maarten Lankhorst wrote:
> Previously RMFB and fd close chose to disable any plane that had
> an active framebuffer from this file. If it was a primary plane the
> crtc was disabled. However the fbdev code or any system compositor
> should restore the planes anyway so there's no need to do it twice.
>
> The old fb_id is zero'd, so there's no danger of being able to
> restore the fb from fb_id.

What does this mean, say if the compositor dies last frame will remain
on the screen?

Regards,

Tvrtko