On Sun, Oct 9, 2011 at 19:36:27 +0100, Chris Wilson wrote: > On Sun, 9 Oct 2011 14:44:30 +0200, Daniel Vetter <dan...@ffwll.ch> wrote: > > On Sun, Oct 09, 2011 at 01:07:25PM +0200, Tempura San wrote: > > > Here is the output of lspci -nn: > > > > > > 00:00.0 Host bridge [0600]: Intel Corporation 82865G/PE/P DRAM > > > Controller/Host-Hub Interface [8086:2570] (rev 02) > > > 00:02.0 Display controller [0380]: Intel Corporation 82865G Integrated > > > Graphics Controller [8086:2572] (rev 02) > > > > The issue seems to be that the igd isn't a VGA pci class device anymore > > when used as secondary. The below (untested) patch should allow to still > > bind the i915 driver. Please test how far that gets us. > > Note the old kernel, and probable lack of: > > commit 934f992c763ae1e5eefcce8af769c16444085df7 > Author: Chris Wilson <ch...@chris-wilson.co.uk> > Date: Thu Jan 20 13:09:12 2011 +0000 > > drm/i915: Recognise non-VGA display devices > > Starting with SandyBridge (though possible with earlier hacked BIOSes), > the BIOS may initialise the IGFX as secondary to a discrete GPU. Prior, > it would simply disable the integrated GPU. So we adjust our PCI class > mask to match any DISPLAY_CLASS device. > > In such a configuration, the IGFX is not a primary VGA controller and > so should not take part in VGA arbitration, and the error return from > vga_client_register() is expected. > > Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk> > Cc: sta...@kernel.org > > and > > commit 5fe49d86f9d01044abf687a8cd21edef636d58aa > Author: Chris Wilson <ch...@chris-wilson.co.uk> > Date: Tue Feb 1 19:43:02 2011 +0000 > > drm/i915: Only bind to function 0 of the PCI device > > Early chipsets (gen2/3) used function 1 as a placeholder for multi-head. > We used to ignore these since they were not assigned to > PCI_CLASS_DISPLAY_VGA. However with 934f992c7 we attempt to bind to all > Intel PCI_CLASS_DISPLAY devices (and functions) to work in multi-gpu > systems. This fails hard on gen2/3. > > Reported-by: Ferenc W??gner <wf...@niif.hu> > Tested-by: Ferenc W??gner <wf...@niif.hu> > Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=28012 > Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk> > Cc: sta...@kernel.org
I'll try to get these included into a future squeeze kernel update. Thanks. Cheers, Julien _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
