drm/radeon/dpm: handle voltage info fetching on hawaii
authorAlex Deucher <alexander.deucher@amd.com>
Thu, 31 Jul 2014 22:07:17 +0000 (18:07 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 5 Oct 2014 21:52:09 +0000 (14:52 -0700)
commit41f4fde0472304c7225f90a41efaf7ae228cd1f1
treea3fabdd46b0ffd8e655869bff0cddba3af6178d8
parent085998ea2386f1d78f38a8d6a4f4dcf928cefb83
drm/radeon/dpm: handle voltage info fetching on hawaii

commit 6b57f20cb5b708415fbab63847f8f8429b051af8 upstream.

Some hawaii cards use a different method to fetch the
voltage info from the vbios.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=74250

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpu/drm/radeon/ci_dpm.c