On Thu, Jul 06, 2017 at 03:05:19PM +0200, Maarten Lankhorst wrote:
> Op 06-07-17 om 15:00 schreef Daniel Vetter:
> > With deferred fbdev setup we always need to forward hotplug events,
> > even if fbdev isn't fully set up yet. Otherwise the deferred setup
> > will neer happen.
> >
> > Originally this check was added in
> >
> > commit c45eb4fed12d278d3619f1904885bd0d7bcbf036 (tag: drm-intel-next-fixes-2016-08-05)
> > Author: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> > Date: Wed Jul 13 18:34:45 2016 +0100
> >
> > drm/i915/fbdev: Check for the framebuffer before use
> >
> > But the specific case of the hotplug function blowing up was fixed in
> >
> > commit 50c3dc970a09b3b60422a58934cc27a413288bab
> > Author: Daniel Vetter <daniel.vetter@xxxxxxxx>
> > Date: Fri Jun 27 17:19:22 2014 +0200
> >
> > drm/fb-helper: Fix hpd vs. initial config races
> >
> > Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> > Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
> > Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> > Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> > ---
> > drivers/gpu/drm/i915/intel_fbdev.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c
> > index f11ee039ff45..5536591d3da0 100644
> > --- a/drivers/gpu/drm/i915/intel_fbdev.c
> > +++ b/drivers/gpu/drm/i915/intel_fbdev.c
> > @@ -821,7 +821,7 @@ void intel_fbdev_output_poll_changed(struct drm_device *dev)
> > {
> > struct intel_fbdev *ifbdev = to_i915(dev)->fbdev;
> >
> > - if (ifbdev && ifbdev->vma)
> > + if (ifbdev)
> > drm_fb_helper_hotplug_event(&ifbdev->helper);
> > }
> >
>
> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
>
> Could you also change the @intel.com to @linux.intel.com in second patch? :-)
Done, thx for your review, first 2 patches merged to drm-intel. I'll apply
the others once drm-misc is resynced.
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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