[Intel-gfx] [PATCH] i915: ensure that VGA plane is disabled

2012-12-20 Thread Krzysztof Mazur
Some broken systems (like HP nc6120) in some cases, usually after LID close/open, enable VGA plane, making display unusable (black screen on LVDS, some strange mode on VGA output). We used to disable VGA plane only once at startup. Now we also check, if VGA plane is still disabled while changing mo

Re: [Intel-gfx] [PATCH] i915: ensure that VGA plane is disabled

2012-12-19 Thread Daniel Vetter
On Wed, Dec 19, 2012 at 11:03:41AM +0100, Krzysztof Mazur wrote: > Some broken systems (like HP nc6120) in some cases, usually after LID > close/open, enable VGA plane, making display unusable (black screen on LVDS, > some strange mode on VGA output). We used to disable VGA plane only once at > sta