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drm/stm: ltdc: add support of the dynamic z-order
authorYannick Fertre <yannick.fertre@foss.st.com>
Fri, 3 Jun 2022 13:44:59 +0000 (15:44 +0200)
committerPhilippe Cornu <philippe.cornu@foss.st.com>
Mon, 27 Jun 2022 14:01:17 +0000 (16:01 +0200)
commit62467fccb73fb700d23c35fcac71cb0cf0662ddb
treeef807bd0b67f3b0bf9a05a07d449a0bd5bdba2c6
parent44b4e7282249903a3f9689da3fd26fc9cf7c5d2c
drm/stm: ltdc: add support of the dynamic z-order

Zpos property is immutable for all hardware versions except the last
version (0x40100) which support the blending order feature
(dynamic z-order).

Signed-off-by: Yannick Fertre <yannick.fertre@foss.st.com>
Signed-off-by: Philippe Cornu <philippe.cornu@foss.st.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220603134459.593379-1-yannick.fertre@foss.st.com
drivers/gpu/drm/stm/drv.c
drivers/gpu/drm/stm/ltdc.c
drivers/gpu/drm/stm/ltdc.h