[Nouveau] [PATCH] drm/nouveau: Fix pre-nv50 pageflip events

Daniel Vetter daniel at ffwll.ch
Wed Dec 2 00:55:26 PST 2015


On Wed, Dec 02, 2015 at 06:40:32AM +0100, poma wrote:
> On Tue, Dec 1, 2015 at 6:30 PM, Mario Kleiner
> <mario.kleiner.de at gmail.com> wrote:
> > When we are at it, the one with the title "[PATCH] drm/nouveau: Use
> > drm_vblank_on/off consistently" from Daniel, which has a reviewed and tested
> > by me also never made it into nouveau.
> >
> > Maybe pick that up as well?
> >
> > -mario
> >
> 
> If you refer to
> "[1/3] drm/nouveau: Use drm_vblank_on/off consistently"
> https://patchwork.freedesktop.org/patch/50771
> 
> this is the result:
> patched 4.4.0-0.rc3.git0.1.fc24.x86_64 with it,
> i.e. 1-3-drm-nouveau-Use-drm_vblank_on-off-consistently.patch
> 
> # cat /var/log/Xorg.0.log
> [   126.360]
> X.Org X Server 1.18.0
> ...
> [   126.909] (EE) [drm] Failed to open DRM device for pci:0000:02:00.0: -19
> [   126.909] (EE) No devices detected.
> [   126.909] (EE)
> Fatal server error:
> [   126.909] (EE) no screens found(EE)
> [   126.909] (EE)
> Please consult ....

Kernel log needed if the drm device isn't there. And this is pretty much
impossible, worst case modesetting is functionally busted.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch


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