diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc_link.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_link.h | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h index dc34515ef01f..070a56926308 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ b/drivers/gpu/drm/amd/display/dc/dc_link.h @@ -51,6 +51,14 @@ struct link_mst_stream_allocation_table { struct link_mst_stream_allocation stream_allocations[MAX_CONTROLLER_NUM]; }; +struct time_stamp { + uint64_t edp_poweroff; + uint64_t edp_poweron; +}; + +struct link_trace { + struct time_stamp time_stamp; +}; /* * A link contains one or more sinks and their connected status. * The currently active signal type (HDMI, DP-SST, DP-MST) is also reported. @@ -114,6 +122,7 @@ struct dc_link { struct dc_link_status link_status; + struct link_trace link_trace; }; const struct dc_link_status *dc_link_get_status(const struct dc_link *dc_link); @@ -163,7 +172,7 @@ bool dc_link_detect(struct dc_link *dc_link, enum dc_detect_reason reason); * false - no change in Downstream port status. No further action required * from DM. */ bool dc_link_handle_hpd_rx_irq(struct dc_link *dc_link, - union hpd_irq_data *hpd_irq_dpcd_data); + union hpd_irq_data *hpd_irq_dpcd_data, bool *out_link_loss); struct dc_sink_init_data; @@ -201,10 +210,29 @@ bool dc_link_dp_set_test_pattern( void dc_link_enable_hpd_filter(struct dc_link *link, bool enable); +bool dc_link_is_dp_sink_present(struct dc_link *link); + /* * DPCD access interfaces */ +void dc_link_set_drive_settings(struct dc *dc, + struct link_training_settings *lt_settings, + const struct dc_link *link); +void dc_link_perform_link_training(struct dc *dc, + struct dc_link_settings *link_setting, + bool skip_video_pattern); +void dc_link_set_preferred_link_settings(struct dc *dc, + struct dc_link_settings *link_setting, + struct dc_link *link); +void dc_link_enable_hpd(const struct dc_link *link); +void dc_link_disable_hpd(const struct dc_link *link); +void dc_link_set_test_pattern(struct dc_link *link, + enum dp_test_pattern test_pattern, + const struct link_training_settings *p_link_settings, + const unsigned char *p_custom_pattern, + unsigned int cust_pattern_size); + bool dc_submit_i2c( struct dc *dc, uint32_t link_index, |