Re: [Intel-gfx] [PATCH 09/11] drm/i915/skl: Prevent unclaimed register writes on skylake.

2015-11-01 Thread Jani Nikula
On Fri, 23 Oct 2015, Jani Nikula wrote: > On Thu, 22 Oct 2015, Daniel Vetter wrote: >> On Thu, Oct 22, 2015 at 01:56:34PM +0200, Maarten Lankhorst wrote: >>> I'm getting unclaimed register writes when checking the WM registers >>> after the crtc is

Re: [Intel-gfx] [PATCH 09/11] drm/i915/skl: Prevent unclaimed register writes on skylake.

2015-10-23 Thread Jani Nikula
On Thu, 22 Oct 2015, Daniel Vetter wrote: > On Thu, Oct 22, 2015 at 01:56:34PM +0200, Maarten Lankhorst wrote: >> I'm getting unclaimed register writes when checking the WM registers >> after the crtc is disabled. So I would imagine those are guarded by >> the crtc power well.

[Intel-gfx] [PATCH 09/11] drm/i915/skl: Prevent unclaimed register writes on skylake.

2015-10-22 Thread Maarten Lankhorst
I'm getting unclaimed register writes when checking the WM registers after the crtc is disabled. So I would imagine those are guarded by the crtc power well. Fix this by not reading out wm state when the power well is off. Signed-off-by: Maarten Lankhorst

Re: [Intel-gfx] [PATCH 09/11] drm/i915/skl: Prevent unclaimed register writes on skylake.

2015-10-22 Thread Daniel Vetter
On Thu, Oct 22, 2015 at 01:56:34PM +0200, Maarten Lankhorst wrote: > I'm getting unclaimed register writes when checking the WM registers > after the crtc is disabled. So I would imagine those are guarded by > the crtc power well. Fix this by not reading out wm state when the > power well is off.