drm/i915: Add Intel opregion mailbox 5 structure

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Mailbox 5 is BIOS to Driver Notification mailbox is intended
to support BIOS to Driver event notification or data storage
for BIOS to Driver data synchronization purpose. Mailbox 5 is
the extension of mailbox 3.

v4 by Jani:
 - don't add asle_ext to dev_priv as it's unused
 - use u8 for bddc and rsvd fields in asle ext struct
 - add BUILD_BUG_ON the asle ext struct size
 - debug logging for asle ext present

Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Deepak M <m.deepak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/c2d4009659fca32280d9859ec34a62f45b86d895.1450089383.git.jani.nikula@intel.com

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Deepak M 2015-12-14 12:50:45 +02:00 • committed by Jani Nikula

parent 663f3122d0

commit b3cbd98b25

1 changed files with 13 additions and 0 deletions

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drivers/gpu/drm/i915/intel_opregion.c

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