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(parent: d4f9aae) | 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>
Wed, 10 Jan 2018 08:31:19 +0000 (09:31 +0100)
commit5d8c39173bd71ed53ae88de77a8ec94f30b69919
tree3317b7214b9dc6caa52d119dd7ecb8c46d15c089tree | snapshot
parentd4f9aaeb26d024f2f239b19a68d3e339628e1066commit | diff
drm/i915: Disable DC states around GMBUS on GLK

commit 3488d0237f6364614f0c59d6d784bb79b11eeb92 upstream.

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

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