drm/amd/display: Change dc_surface_update cm2_params to const

[WHY]
cm2_params is used to set update_flags.
It's value is not intended to be modified.

[WHAT]
Change the declaration of cm2_params to be a constant variable

Reviewed-by: Tao Huang <tao.huang@amd.com>
Reviewed-by: Ariel Bernstein <eric.bernstein@amd.com>
Signed-off-by: Shunlu Zhang <Shunlu.Zhang@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@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 3992ad7..7b164e8 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -1513,7 +1513,7 @@ struct dc_surface_update {
         * change cm2_params.component_settings: Full update
         * change cm2_params.cm2_luts: Fast update
         */
-       struct dc_cm2_parameters *cm2_params;
+       const struct dc_cm2_parameters *cm2_params;
        const struct dc_csc_transform *cursor_csc_color_matrix;
        unsigned int sdr_white_level_nits;
 };