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drm/amd/display: Add Function declaration in dc_link

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

[HOW]
Adding public functions to dc_link.h

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Mustapha Ghaddar <mghaddar@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Mustapha Ghaddar 2023-01-18 11:46:37 -05:00 committed by Alex Deucher
parent b07bb766b6
commit 0c2bfcc338
2 changed files with 27 additions and 24 deletions
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27
drivers/gpu/drm/amd/display/dc/dc_link.h
View File

@ -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_ */

24
drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia_bw.h
View File

@ -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
*