drm/radeon/kms/atom: fix possible segfault in pm setup
commite343400d67fa390709d8147972eb4b700018811b
authorAlexander Müller <serveralex@gmail.com>
Fri, 30 Dec 2011 17:55:48 +0000 (30 12:55 -0500)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 6 Jan 2012 22:14:12 +0000 (6 14:14 -0800)
tree25af95404618df3fc3c25affbe5ac1600b96e424
parent6826d3e80d143ca7411fd2dca05bc57c7ed3e620
drm/radeon/kms/atom: fix possible segfault in pm setup

commit 4376eee92e5a8332b470040e672ea99cd44c826a upstream.

If we end up with no power states, don't look up
current vddc.

fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=44130

agd5f: fix patch formatting

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/gpu/drm/radeon/radeon_atombios.c