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 | 24 |
1 files changed, 23 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 8a716baa1203..d43cefbc43d3 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ b/drivers/gpu/drm/amd/display/dc/dc_link.h @@ -73,6 +73,7 @@ struct dc_link { enum dc_irq_source irq_source_hpd; enum dc_irq_source irq_source_hpd_rx;/* aka DP Short Pulse */ bool is_hpd_filter_disabled; + bool dp_ss_off; /* caps is the same as reported_link_cap. link_traing use * reported_link_cap. Will clean up. TODO @@ -141,6 +142,8 @@ static inline struct dc_link *dc_get_link_at_index(struct dc *dc, uint32_t link_ bool dc_link_set_backlight_level(const struct dc_link *dc_link, uint32_t level, uint32_t frame_ramp, const struct dc_stream_state *stream); +int dc_link_get_backlight_level(const struct dc_link *dc_link); + bool dc_link_set_abm_disable(const struct dc_link *dc_link); bool dc_link_set_psr_enable(const struct dc_link *dc_link, bool enable, bool wait); @@ -172,7 +175,7 @@ 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; @@ -210,10 +213,29 @@ 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, |