drm/vc4: Force trigger of dlist update on margins change (#4970)
When the margins are changed, the dlist needs to be regenerated
with the changed updated dest regions for each of the planes.
Setting the zpos_changed flag is sufficient to trigger that
without doing a full modeset, therefore set it should the
margins be changed.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
parent
6f921e98
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