drm/radeon: add a quirk for a XFX R9 270X

commit bcb31eba4a upstream.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=76490

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alex Deucher 2016-04-14 14:15:16 -04:00 • committed by Greg Kroah-Hartman
commit a37564fa5a