drm/amd/display: break down dc_link.c

[why]
dc_link contains over 30k line of code, the decision is to break it
down to files residing in link folder based on functionality. This
change is the last break down change which will remove dc_link.c
file after everything is broken down.

[how]
Move remaining dc_link.c functions into link_detection, link_dpms,
link_validation, link_resource, and link_fpga and remove dc_link.

Reviewed-by: George Shen <George.Shen@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

2 files changed, 31 insertions, 28 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_types.h b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
index bebfcf8737b3..ed3c03108da6 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/core_types.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
@@ -56,33 +56,6 @@ void enable_surface_flip_reporting(struct dc_plane_state *plane_state,
 #endif
 #include "link_hwss.h"
 
-/************ link *****************/
-struct link_init_data {
-	const struct dc *dc;
-	struct dc_context *ctx; /* TODO: remove 'dal' when DC is complete. */
-	uint32_t connector_index; /* this will be mapped to the HPD pins */
-	uint32_t link_index; /* this is mapped to DAL display_index
-				TODO: remove it when DC is complete. */
-	bool is_dpia_link;
-};
-
-struct dc_link *link_create(const struct link_init_data *init_params);
-void link_destroy(struct dc_link **link);
-
-enum dc_status dc_link_validate_mode_timing(
-		const struct dc_stream_state *stream,
-		struct dc_link *link,
-		const struct dc_crtc_timing *timing);
-
-void core_link_resume(struct dc_link *link);
-
-void core_link_enable_stream(
-		struct dc_state *state,
-		struct pipe_ctx *pipe_ctx);
-
-void core_link_disable_stream(struct pipe_ctx *pipe_ctx);
-
-void core_link_set_avmute(struct pipe_ctx *pipe_ctx, bool enable);
 /********** DAL Core*********************/
 #include "transform.h"
 #include "dpp.h"
diff --git a/drivers/gpu/drm/amd/display/dc/inc/link.h b/drivers/gpu/drm/amd/display/dc/inc/link.h
index d4cebf49e5d4..5e8eb367eede 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/link.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/link.h
@@ -40,6 +40,19 @@
 #include "core_types.h"
 #include "dc_link.h"
 
+struct link_init_data {
+	const struct dc *dc;
+	struct dc_context *ctx; /* TODO: remove 'dal' when DC is complete. */
+	uint32_t connector_index; /* this will be mapped to the HPD pins */
+	uint32_t link_index; /* this is mapped to DAL display_index
+				TODO: remove it when DC is complete. */
+	bool is_dpia_link;
+};
+
+struct dc_link *link_create(const struct link_init_data *init_params);
+void link_destroy(struct dc_link **link);
+
+// TODO - convert any function declarations below to function pointers
 struct gpio *link_get_hpd_gpio(struct dc_bios *dcb,
 		struct graphics_object_id link_id,
 		struct gpio_service *gpio_service);
@@ -105,5 +118,22 @@ bool link_power_alpm_dpcd_enable(struct dc_link *link, bool enable);
 bool link_set_sink_vtotal_in_psr_active(const struct dc_link *link,
 		uint16_t psr_vtotal_idle, uint16_t psr_vtotal_su);
 void link_get_psr_residency(const struct dc_link *link, uint32_t *residency);
-
+enum dc_status link_increase_mst_payload(struct pipe_ctx *pipe_ctx, uint32_t req_pbn);
+enum dc_status link_reduce_mst_payload(struct pipe_ctx *pipe_ctx, uint32_t req_pbn);
+void link_blank_all_dp_displays(struct dc *dc);
+void link_blank_all_edp_displays(struct dc *dc);
+void link_blank_dp_stream(struct dc_link *link, bool hw_init);
+void link_resume(struct dc_link *link);
+void link_set_dpms_on(
+		struct dc_state *state,
+		struct pipe_ctx *pipe_ctx);
+void link_set_dpms_off(struct pipe_ctx *pipe_ctx);
+void link_dp_source_sequence_trace(struct dc_link *link, uint8_t dp_test_mode);
+void link_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable);
+bool link_set_dsc_enable(struct pipe_ctx *pipe_ctx, bool enable);
+bool link_update_dsc_config(struct pipe_ctx *pipe_ctx);
+enum dc_status link_validate_mode_timing(
+		const struct dc_stream_state *stream,
+		struct dc_link *link,
+		const struct dc_crtc_timing *timing);
 #endif /* __DC_LINK_HPD_H__ */