drm/i915/de: return the old register value from intel_de_rmw()

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A similar thing was added in intel_uncore_rmw(). Make it available for
display too.

Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/b82cb29e8ece63e68499307f9e3e83139e590d23.1670433372.git.jani.nikula@intel.com

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This commit is contained in:

Jani Nikula 2022-12-07 19:17:19 +02:00

parent 93b3c44d6f

commit 4fa9fc424a

1 changed files with 2 additions and 2 deletions

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drivers/gpu/drm/i915/display/intel_de.h

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