From: Martin Peres <martin.peres@free.fr>
Date: Tue, 25 Mar 2014 21:23:23 +0000 (+0100)
Subject: drm/nouveau/bios: fetch the vbios from PROM using only aligned 32-bit accesses
X-Git-Tag: v3.15-rc1~51^2~39^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=18acc6d84eba960804f38a21842c02f3981c1c18;p=pandora-kernel.git

drm/nouveau/bios: fetch the vbios from PROM using only aligned 32-bit accesses

Other kind of accesses are unreliable on Kepler cards. As advised by NVIDIA,
let's only use 32-bit accesses to fetch the vbios from PROM.

This fixes vbios fetching on my nve7 which failed in certain specific
conditions.

I suggest we Cc stable, for all kernels they still maintain after the big
rewrite.

Suggested-by: Christian Zander <czander@nvidia.com>
Signed-off-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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