drm/amd/display: constify a few dc_surface_update fields

Signed-off-by: Jun Lei <Jun.Lei@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 7a9f600..9cfde0c 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -503,18 +503,18 @@ struct dc_surface_update {
        struct dc_plane_state *surface;
 
        /* isr safe update parameters.  null means no updates */
-       struct dc_flip_addrs *flip_addr;
-       struct dc_plane_info *plane_info;
-       struct dc_scaling_info *scaling_info;
+       const struct dc_flip_addrs *flip_addr;
+       const struct dc_plane_info *plane_info;
+       const struct dc_scaling_info *scaling_info;
 
        /* following updates require alloc/sleep/spin that is not isr safe,
         * null means no updates
         */
-       struct dc_gamma *gamma;
-       struct dc_transfer_func *in_transfer_func;
+       const struct dc_gamma *gamma;
+       const struct dc_transfer_func *in_transfer_func;
 
-       struct dc_csc_transform *input_csc_color_matrix;
-       struct fixed31_32 *coeff_reduction_factor;
+       const struct dc_csc_transform *input_csc_color_matrix;
+       const struct fixed31_32 *coeff_reduction_factor;
 };
 
 /*