tree 8654bd9e3d8314a142131c4bb192e2022c19280a
parent e0093a89f2386f12cc87047b43e93c3c6e15e94e
author Ville Syrjälä <ville.syrjala@linux.intel.com> 1512769056 +0200
committer Jani Nikula <jani.nikula@intel.com> 1514893506 +0200

drm/i915: Disable DC states around GMBUS on GLK

Prevent the DMC from destroying GMBUS transfers on GLK. GMBUS
lives in PG1 so DC off is all we need.

Cc: stable@vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171208213739.16388-1-ville.syrjala@linux.intel.com
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
(cherry picked from commit 156961ae7bdf6feb72778e8da83d321b273343fd)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>