On Thu, 21 Apr 2011 22:18:23 +0100, Chris Wilson <ch...@chris-wilson.co.uk> wrote:
> As we failed to update the dpms_mode after modeset, where it is presumed > to have been changed to DRM_MODE_DPMS_ON by the upper layers the dpms state > on the crtc became inconsistent with its actual active state. This > notably confused code and left the pipe active when it was meant to be > disabled, leading to PGTBL_ER if the fb was subsequently moved. > > As we use the dpms_mode state for restoring the crtc after load-detection, > we can not simply remove it in favour of simply using the active > state. I don't understand this comment -- this patch changes the code so that dpms_mode exactly tracks active, instead of tracking the desired DPMS state. -- keith.pack...@intel.com
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