drm/imx: ipuv3-plane: add zpos property

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Add a zpos property to planes. Call drm_atomic_helper_check() instead of
calling drm_atomic_helper_check_modeset() and drm_atomic_check_planes()
manually. This effectively adds a call to drm_atomic_normalize_zpos()
before checking planes. Reorder atomic update to allow changing plane
zpos without modeset.

Note that the initial zpos is set in ipu_plane_state_reset(). The
initial value set in ipu_plane_init() is just for show. The zpos
parameter of drm_plane_create_zpos_property() is ignored because
the newly created plane do not have state yet.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Tested-by: Marius Vlad <marius.vlad@collabora.com>

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This commit is contained in:

Philipp Zabel 2018-01-10 16:20:01 +01:00

parent 70e8a0c71e

commit 74a3dba26c

2 changed files with 33 additions and 30 deletions

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7

drivers/gpu/drm/imx/imx-drm-core.c

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56

drivers/gpu/drm/imx/ipuv3-plane.c

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