drm/amd/display: Roll core_sink into dc_sink

Signed-off-by: Harry Wentland <harry.wentland@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>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
index c558f70..8d939e3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
@@ -562,9 +562,9 @@ struct amdgpu_connector {
 	int num_modes;
 	/* The 'old' sink - before an HPD.
 	 * The 'current' sink is in dc_link->sink. */
-	const struct dc_sink *dc_sink;
+	struct dc_sink *dc_sink;
 	struct dc_link *dc_link;
-	const struct dc_sink *dc_em_sink;
+	struct dc_sink *dc_em_sink;
 	const struct dc_stream *stream;
 	void *con_priv;
 	bool dac_load_detect;