drm/i915/display/vlv: fix pixel overlap register update

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To update properly bits in the register the mask should be used
to clear old value and then the result should be or-ed with new
value, for such updates there is separate helper intel_de_rmw.

Signed-off-by: Andrzej Hajda <andrzej.hajda@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221219092428.2515430-1-andrzej.hajda@intel.com

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Andrzej Hajda 2022-12-19 10:24:27 +01:00 • committed by Jani Nikula

parent 60bb4478f7

commit fceeca7f3c

1 changed files with 9 additions and 15 deletions

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

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