On Tue 30-06-15 18:59:29, Daniel Vetter wrote: [...] > I looked at dmesg, nothing out of the ordinary there. Unfortunately also > no hints why the pipe is somehow off when we think it's on. Can you please > test the below patch and grab a new dmesg? Attached. > Also it might be time to start bisecting this if you can readily reproduce it. Yes, I can reproduce it just by switching to the text console. Sometimes it is the first attempt already but sometimes it takes several attempts. I will try to go back to 4.0 and bisect it then. > -Daniel > > diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c > index d0f3cbc87474..b8d9314ef459 100644 > --- a/drivers/gpu/drm/i915/intel_display.c > +++ b/drivers/gpu/drm/i915/intel_display.c > @@ -12190,7 +12190,7 @@ static int intel_crtc_set_config(struct drm_mode_set *set) > * flipping, so increasing its cost here shouldn't be a big > * deal). > */ > - if (i915.fastboot && ret == 0) > + if (ret == 0) > intel_modeset_check_state(set->crtc->dev); > } > > -- > Daniel Vetter > Software Engineer, Intel Corporation > http://blog.ffwll.ch -- Michal Hocko SUSE Labs
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