[Intel-gfx] Screen not turned on in kernel 2.6.35

[Jesse Barnes]

On Mon, 09 Aug 2010 14:08:59 -0400
Adam Jackson <ajax at redhat.com> wrote:

> On Mon, 2010-08-09 at 09:39 -0700, Jesse Barnes wrote:
> > On Sat, 7 Aug 2010 20:09:32 +0200 Paul Neumann <paul104x at yahoo.de> wrote:
> > > i915 0000:00:02.0: BAR 6: can't assign [??? 0x00000000 flags 0x0] (bogus alignment)
> > > [drm] failed to find VBIOS tables
> > > [drm] initialized overlay support
> > > No connectors reported connected with modes
> > > [drm] Cannot find any crtc or sizes - going 1024x768
> > > Console: switching to colour frame buffer device 128x48
> > > 
> > > and xrandr shows
> > > 
> > > Screen 0: minimum 320 x 200, current 1024 x 768, maximum 4096 x 4096
> > > VGA1 disconnected (normal left inverted right x axis y axis)
> > > DVI1 disconnected (normal left inverted right x axis y axis)
> > 
> > Can you file a bug for this at bugs.freedesktop.org so it doesn't get
> > lost?
> > 
> > Adam's commit looks ok in general, but maybe your VBIOS is lying to us
> > in this case?
> 
> It's not that it's lying, it's that we don't _have_ one.  The "BAR 6"
> message is the PCI layer telling us there's no space for the VBIOS.

Oops missed that, yeah it would cause problems unless we could get at
the shadow at 0xc0000.

-- 
Jesse Barnes, Intel Open Source Technology Center