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 | 47 |
1 files changed, 2 insertions, 45 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h index ae51e4c1a98e..fcaf27a877ef 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ b/drivers/gpu/drm/amd/display/dc/dc_link.h @@ -39,15 +39,6 @@ enum dc_link_fec_state { dc_link_fec_enabled }; -struct dc_link_status { - bool link_active; - struct dpcd_caps *dpcd_caps; -}; - -struct dprx_states { - bool cable_id_written; -}; - /* DP MST stream allocation (payload bandwidth number) */ struct link_mst_stream_allocation { /* DIG front */ @@ -167,6 +158,8 @@ struct dc_dpia_bw_alloc { bool response_ready; // Response ready from the CM side }; +#define MAX_SINKS_PER_LINK 4 + /* * A link contains one or more sinks and their connected status. * The currently active signal type (HDMI, DP-SST, DP-MST) is also reported. @@ -302,7 +295,6 @@ struct dc_link { struct phy_state phy_state; }; -const struct dc_link_status *dc_link_get_status(const struct dc_link *dc_link); /** * dc_get_link_at_index() - Return an enumerated dc_link. @@ -385,23 +377,6 @@ bool dc_link_setup_psr(struct dc_link *dc_link, const struct dc_stream_state *stream, struct psr_config *psr_config, struct psr_context *psr_context); -/* Request DC to detect if there is a Panel connected. - * boot - If this call is during initial boot. - * Return false for any type of detection failure or MST detection - * true otherwise. True meaning further action is required (status update - * and OS notification). - */ -enum dc_detect_reason { - DETECT_REASON_BOOT, - DETECT_REASON_RESUMEFROMS3S4, - DETECT_REASON_HPD, - DETECT_REASON_HPDRX, - DETECT_REASON_FALLBACK, - DETECT_REASON_RETRAIN, - DETECT_REASON_TDR, -}; - -bool dc_link_detect(struct dc_link *dc_link, enum dc_detect_reason reason); bool dc_link_get_hpd_state(struct dc_link *dc_link); /* Notify DC about DP RX Interrupt (aka Short Pulse Interrupt). @@ -471,16 +446,10 @@ bool dc_link_dp_get_max_link_enc_cap(const struct dc_link *link, struct dc_link_ void dc_link_enable_hpd_filter(struct dc_link *link, bool enable); bool dc_link_is_dp_sink_present(struct dc_link *link); - -bool dc_link_detect_connection_type(struct dc_link *link, enum dc_connection_type *type); /* * DPCD access interfaces */ -#ifdef CONFIG_DRM_AMD_DC_HDCP -bool dc_link_is_hdcp14(struct dc_link *link, enum signal_type signal); -bool dc_link_is_hdcp22(struct dc_link *link, enum signal_type signal); -#endif void dc_link_set_drive_settings(struct dc *dc, struct link_training_settings *lt_settings, const struct dc_link *link); @@ -500,9 +469,6 @@ void dc_link_set_test_pattern(struct dc_link *link, const struct link_training_settings *p_link_settings, const unsigned char *p_custom_pattern, unsigned int cust_pattern_size); -uint32_t dc_link_bandwidth_kbps( - const struct dc_link *link, - const struct dc_link_settings *link_setting); const struct dc_link_settings *dc_link_get_link_cap( const struct dc_link *link); @@ -524,22 +490,16 @@ bool dc_submit_i2c_oem( struct dc *dc, struct i2c_command *cmd); -uint32_t dc_bandwidth_in_kbps_from_timing( - const struct dc_crtc_timing *timing); - bool dc_link_is_fec_supported(const struct dc_link *link); bool dc_link_should_enable_fec(const struct dc_link *link); uint32_t dc_link_bw_kbps_from_raw_frl_link_rate_data(uint8_t bw); enum dp_link_encoding dc_link_dp_mst_decide_link_encoding_format(const struct dc_link *link); -void dc_link_get_cur_link_res(const struct dc_link *link, - struct link_resource *link_res); /* take a snapshot of current link resource allocation state */ void dc_get_cur_link_res_map(const struct dc *dc, uint32_t *map); /* restore link resource allocation state from a snapshot */ void dc_restore_link_res_map(const struct dc *dc, uint32_t *map); -void dc_link_clear_dprx_states(struct dc_link *link); void dp_trace_reset(struct dc_link *link); bool dc_dp_trace_is_initialized(struct dc_link *link); unsigned long long dc_dp_trace_get_lt_end_timestamp(struct dc_link *link, @@ -553,9 +513,6 @@ struct dp_trace_lt_counts *dc_dp_trace_get_lt_counts(struct dc_link *link, bool in_detection); unsigned int dc_dp_trace_get_link_loss_count(struct dc_link *link); -/* Destruct the mst topology of the link and reset the allocated payload table */ -bool dc_link_reset_cur_dp_mst_topology(struct dc_link *link); - /* Attempt to transfer the given aux payload. This function does not perform * retries or handle error states. The reply is returned in the payload->reply * and the result through operation_result. Returns the number of bytes |