drm/amd/display: Expose is_rgb_cspace function in hw_sequencer

Signed-off-by: Eric Bernstein <eric.bernstein@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c

@@ -1430,7 +1430,7 @@ static bool is_pipe_tree_visible(struct pipe_ctx *pipe_ctx)
 	return false;
 }
 
-static bool is_rgb_cspace(enum dc_color_space output_color_space)
+bool is_rgb_cspace(enum dc_color_space output_color_space)
 {
 	switch (output_color_space) {
 	case COLOR_SPACE_SRGB:

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.h

@@ -35,5 +35,6 @@ extern void fill_display_configs(
 	const struct dc_state *context,
 	struct dm_pp_display_configuration *pp_display_cfg);
 
+bool is_rgb_cspace(enum dc_color_space output_color_space);
 
 #endif /* __DC_HWSS_DCN10_H__ */

drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h

@@ -201,7 +201,6 @@ struct hw_sequencer_funcs {
 
 	void (*set_cursor_position)(struct pipe_ctx *pipe);
 	void (*set_cursor_attribute)(struct pipe_ctx *pipe);
-
 };
 
 void color_space_to_black_color(