drm: xlnx: zynqmp_dpsub: Constify mode argument to function

The zynqmp_dp_encoder_mode_set_transfer_unit() function takes a mode
pointer argument that it doesn't need to modify. Make it const.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Laurent Pinchart 2021-08-04 19:21:41 +03:00
commit d693bd3b5b