[Bug 80151] [GM965/GL960 bisected regression] black screen on boot

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80151

--- Comment #12 from YannisDas <yannis.dassiras at gmail.com> ---
(In reply to comment #10)
> (In reply to comment #9)
> > (In reply to comment #6)
> > > A patch to try after collecting the dmesg:
> > > 
> > > index 6441178..e849e5d 100644
> > > --- a/drivers/gpu/drm/i915/i915_gem_stolen.c
> > > +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
> > > @@ -231,7 +231,7 @@ int i915_gem_init_stolen(struct drm_device *dev)
> > >         DRM_DEBUG_KMS("found %zd bytes of stolen memory at %08lx\n",
> > >                       dev_priv->gtt.stolen_size, dev_priv->mm.stolen_base);
> > >  
> > > -       if (IS_VALLEYVIEW(dev))
> > > +       if (IS_VALLEYVIEW(dev) || 1)
> > >                 bios_reserved = 1024*1024; /* top 1M on VLV/BYT */
> > >  
> > >         if (WARN_ON(bios_reserved > dev_priv->gtt.stolen_size))
> > 
> > Got it...
> > Bypassing the test results in working graphics here.
> 
> Can you try this patch (without Jesse's hack)?
> http://patchwork.freedesktop.org/patch/27209/

Success... With this patch only.

Do you want dmesg regdumps etc?

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