Comment 3 for bug 629711

Revision history for this message
In , Chris Wilson (ickle) wrote :

I've managed to hit something very similar with:

xrandr --output LVDS1 --off --output DP1 --preferred

The registers look fine but the external monitor loses sync. Of particular note is that this change causes drm_remove_fb() to decouple the old framebuffer from crtc0.