drm/vc4: Don't check plane state more than once

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We are about to use vc4_plane_mode_set() in the async check path, but
async check can decide that async update is not possible and force the
driver to fallback to a sync update.

All the checks that have been done on the plane state during async check
stay valid, and checking it again is not necessary. Add a ->checked
field to vc4_plane_state, and use it to track the status of the state
(checked or not).

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20181130090254.594-3-boris.brezillon@bootlin.com

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This commit is contained in:

Boris Brezillon 2018-11-30 10:02:51 +01:00

parent 0a038c1c29

commit 8d93844965

2 changed files with 16 additions and 0 deletions

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5

drivers/gpu/drm/vc4/vc4_drv.h

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11

drivers/gpu/drm/vc4/vc4_plane.c

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