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(parent: 492056f) | patch
drm/i915: Disable DC states around GMBUS on GLK
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Fri, 8 Dec 2017 21:37:36 +0000 (23:37 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 15 Mar 2018 09:54:28 +0000 (10:54 +0100)
commit7b3f881e41c5d38329a934269679e40f88b22604
tree4b54356ef4069d9e0568d968e56ba8e5f51b08d7tree | snapshot
parent492056f2944e12ee2eda1cfeccc84996ca51813fcommit | diff
drm/i915: Disable DC states around GMBUS on GLK

commit 156961ae7bdf6feb72778e8da83d321b273343fd upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpu/drm/i915/intel_runtime_pm.c diff | blob | history
Domain: System / Kernel;