Commit 0c2bfcc3 authored by Mustapha Ghaddar's avatar Mustapha Ghaddar Committed by Alex Deucher
Browse files

drm/amd/display: Add Function declaration in dc_link 



[WHY]
Housekeeping cleaning and adding declaration for
function to be called from DM layer

[HOW]
Adding public functions to dc_link.h

Reviewed-by: default avatarJun Lei <Jun.Lei@amd.com>
Acked-by: default avatarAlex Hung <alex.hung@amd.com>
Signed-off-by: default avatarMustapha Ghaddar <mghaddar@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent b07bb766

drivers/gpu/drm/amd/display/dc/dc_link.h

+27 −0
Original line number Diff line number Diff line
@@ -627,4 +627,31 @@ struct fixed31_32 calculate_sst_avg_time_slots_per_mtp( 
void setup_dp_hpo_stream(struct pipe_ctx *pipe_ctx, bool enable);

void dp_source_sequence_trace(struct dc_link *link, uint8_t dp_test_mode);



/*

 *  USB4 DPIA BW ALLOCATION PUBLIC FUNCTIONS

 */

/*

 * Send a request from DP-Tx requesting to allocate BW remotely after

 * allocating it locally. This will get processed by CM and a CB function

 * will be called.

 *

 * @link: pointer to the dc_link struct instance

 * @req_bw: The requested bw in Kbyte to allocated

 *

 * return: none

 */

void dc_link_set_usb4_req_bw_req(struct dc_link *link, int req_bw);



/*

 * CB function for when the status of the Req above is complete. We will

 * find out the result of allocating on CM and update structs accordingly

 *

 * @link: pointer to the dc_link struct instance

 * @bw: Allocated or Estimated BW depending on the result

 * @result: Response type

 *

 * return: none

 */

void dc_link_get_usb4_req_bw_resp(struct dc_link *link, uint8_t bw, uint8_t result);



#endif /* DC_LINK_H_ */

drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.h

+0 −24
Original line number Diff line number Diff line
@@ -44,30 +44,6 @@ enum bw_type { 
 */

bool set_dptx_usb4_bw_alloc_support(struct dc_link *link);



/*

 * Send a request from DP-Tx requesting to allocate BW remotely after

 * allocating it locally. This will get processed by CM and a CB function

 * will be called.

 *

 * @link: pointer to the dc_link struct instance

 * @req_bw: The requested bw in Kbyte to allocated

 *

 * return: none

 */

void set_usb4_req_bw_req(struct dc_link *link, int req_bw);



/*

 * CB function for when the status of the Req above is complete. We will

 * find out the result of allocating on CM and update structs accordingly

 *

 * @link: pointer to the dc_link struct instance

 * @bw: Allocated or Estimated BW depending on the result

 * @result: Response type

 *

 * return: none

 */

void get_usb4_req_bw_resp(struct dc_link *link, uint8_t bw, uint8_t result);



/*

 * Return the response_ready flag from dc_link struct

 *