From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Tue, 1 Feb 2011 19:43:02 +0000 (+0000)
Subject: drm/i915: Only bind to function 0 of the PCI device
X-Git-Tag: v2.6.38-rc4~17^2~15^2
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5fe49d86f9d01044abf687a8cd21edef636d58aa;p=pandora-kernel.git

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 Wágner <wferi@niif.hu>
Tested-by: Ferenc Wágner <wferi@niif.hu>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=28012
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
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