drm/i915/opregion: handle SWSCI Mailbox #2 obsoletion

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Opregion Mailbox #2 is obsolete for SWSCI usage in opregion v2.x, and
repurposed in opregion v3.x. Warn about obsole mailbox presence in v2.x,
and ignore with an error for v3.x.

v2: Demote drm_warn() to drm_dbg() on opregion v2.x

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220210161603.647254-1-jani.nikula@intel.com

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This commit is contained in:

Jani Nikula 2022-02-10 18:16:03 +02:00

parent 66b09ddd8b

commit 6989817182

1 changed files with 11 additions and 3 deletions

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drivers/gpu/drm/i915/display/intel_opregion.c

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