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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [GM965/GL960 bisected regression] black screen on boot"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80151#c12">Comment # 12</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [GM965/GL960 bisected regression] black screen on boot"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80151">bug 80151</a>
from <span class="vcard"><a class="email" href="mailto:yannis.dassiras@gmail.com" title="YannisDas <yannis.dassiras@gmail.com>"> <span class="fn">YannisDas</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=80151#c10">comment #10</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=80151#c9">comment #9</a>)
> > (In reply to <a href="show_bug.cgi?id=80151#c6">comment #6</a>)
> > > 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)?
> <a href="http://patchwork.freedesktop.org/patch/27209/">http://patchwork.freedesktop.org/patch/27209/</a></span >
Success... With this patch only.
Do you want dmesg regdumps etc?</pre>
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