Add missing info for the update_descriptor parameter in
update_planes_and_stream_state().
Fixes the below with gcc W=1:
../display/dc/core/dc.c:3630 function parameter 'update_descriptor' not described in 'update_planes_and_stream_state'
Fixes: c24bb00cc6cf ("drm/amd/display: Refactor DC update checks")
Cc: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Cc: Dillon Varone <Dillon.Varone@amd.com>
Cc: Chuanyu Tseng <chuanyu.tseng@amd.com>
Cc: Roman Li <roman.li@amd.com>
Cc: Alex Hung <alex.hung@amd.com>
Cc: Tom Chung <chiahsuan.chung@amd.com>
Cc: Dan Carpenter <dan.carpenter@linaro.org>
Cc: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
* @surface_count: surface update count
* @stream: Corresponding stream to be updated
* @stream_update: stream update
+ * @update_descriptor: describes what plane and stream changes to apply
* @new_update_type: [out] determined update type by the function
* @new_context: [out] new context allocated and validated if update type is
* FULL, reference to current context if update type is less than FULL.