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9daa2b843f
Restrict the DPCC configuration that can be set by userspace to valid register bits. To do so, reorganize the related register macros to define valid bitmasks, as well as bits of the DPCC mode register. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Dafna Hirschfeld <dafna@fastmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>