drm/i915: Disable unused power wells left enabled by BIOS
authorImre Deak <imre.deak@intel.com>
Wed, 2 Feb 2022 10:42:49 +0000 (12:42 +0200)
committerImre Deak <imre.deak@intel.com>
Thu, 3 Feb 2022 10:39:26 +0000 (12:39 +0200)
commitd946bc44aa0bf03ff5c2888e8c3be8646e14467a
tree8660e48b51f8c30a20ef38e6aaffeea5e45c09cb
parent377c675f3c17ffaefd023ee283bb366bbd6bbcea
drm/i915: Disable unused power wells left enabled by BIOS

Make sure all unused power wells left enabled by BIOS get disabled
during driver loading and system resume.

Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/5028
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220202104249.2680843-1-imre.deak@intel.com
drivers/gpu/drm/i915/display/intel_display.c
drivers/gpu/drm/i915/display/intel_display_power.c
drivers/gpu/drm/i915/display/intel_display_power.h