drm/amd/display: move get_link_hwss to dc_resource

[why]
Isolate the way to obtain link_hwss from the actual implemenation of
link_hwss. So the caller can call link_hwss without knowing the
implementation detail of link_hwss.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 16 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/inc/link_hwss.h b/drivers/gpu/drm/amd/display/dc/inc/link_hwss.h
index 43c6c0e0ddd9..fd4bfa22eda8 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/link_hwss.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/link_hwss.h
@@ -75,6 +75,21 @@ struct link_hwss {
 	void (*reset_stream_encoder)(struct pipe_ctx *pipe_ctx);
 };
 
-const struct link_hwss *get_link_hwss(const struct dc_link *link, const struct link_resource *link_res);
+
+/*********************** below goes to virtual_link_hwss **********************/
+const struct link_hwss *get_virtual_link_hwss(void);
+/*********************** below goes to dpia_link_hwss *************************/
+bool can_use_dpia_link_hwss(const struct dc_link *link,
+		const struct link_resource *link_res);
+const struct link_hwss *get_dpia_link_hwss(void);
+/*********************** below goes to hpo_dp_link_hwss ***********************/
+bool can_use_hpo_dp_link_hwss(const struct dc_link *link,
+		const struct link_resource *link_res);
+const struct link_hwss *get_hpo_dp_link_hwss(void);
+/************************* below goes to dio_link_hwss ************************/
+bool can_use_dio_link_hwss(const struct dc_link *link,
+		const struct link_resource *link_res);
+const struct link_hwss *get_dio_link_hwss(void);
 
 #endif /* __DC_LINK_HWSS_H__ */
+