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 | 140 |
1 files changed, 123 insertions, 17 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h index fad3d883ed89..caf0c7af2d0b 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ b/drivers/gpu/drm/amd/display/dc/dc_link.h @@ -30,6 +30,8 @@ #include "dc_types.h" #include "grph_object_defs.h" +struct link_resource; + enum dc_link_fec_state { dc_link_fec_not_ready, dc_link_fec_ready, @@ -41,14 +43,16 @@ struct dc_link_status { 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 */ const struct stream_encoder *stream_enc; -#if defined(CONFIG_DRM_AMD_DC_DCN) /* HPO DP Stream Encoder */ const struct hpo_dp_stream_encoder *hpo_dp_stream_enc; -#endif /* associate DRM payload table with DC stream encoder */ uint8_t vcp_id; /* number of slots required for the DP stream in transport packet */ @@ -63,13 +67,32 @@ 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 edp_trace_power_timestamps { + uint64_t poweroff; + uint64_t poweron; +}; + +struct dp_trace_lt_counts { + unsigned int total; + unsigned int fail; +}; + +struct dp_trace_lt { + struct dp_trace_lt_counts counts; + struct dp_trace_timestamps { + unsigned long long start; + unsigned long long end; + } timestamps; + enum link_training_result result; + bool is_logged; }; -struct link_trace { - struct time_stamp time_stamp; +struct dp_trace { + struct dp_trace_lt detect_lt_trace; + struct dp_trace_lt commit_lt_trace; + unsigned int link_loss_count; + bool is_initialized; + struct edp_trace_power_timestamps edp_trace_power_timestamps; }; /* PSR feature flags */ @@ -77,6 +100,7 @@ struct psr_settings { bool psr_feature_enabled; // PSR is supported by sink bool psr_allow_active; // PSR is currently active enum dc_psr_version psr_version; // Internal PSR version, determined based on DPCD + bool psr_vtotal_control_support; // Vtotal control is supported by sink /* These parameters are calculated in Driver, * based on display timing and Sink capabilities. @@ -85,9 +109,40 @@ struct psr_settings { */ bool psr_frame_capture_indication_req; unsigned int psr_sdp_transmit_line_num_deadline; + uint8_t force_ffu_mode; unsigned int psr_power_opt; }; +/* To split out "global" and "per-panel" config settings. + * Add a struct dc_panel_config under dc_link + */ +struct dc_panel_config { + // extra panel power sequence parameters + struct pps { + unsigned int extra_t3_ms; + unsigned int extra_t7_ms; + unsigned int extra_delay_backlight_off; + unsigned int extra_post_t7_ms; + unsigned int extra_pre_t11_ms; + unsigned int extra_t12_ms; + unsigned int extra_post_OUI_ms; + } pps; + // ABM + struct varib { + unsigned int varibright_feature_enable; + unsigned int def_varibright_level; + unsigned int abm_config_setting; + } varib; + // edp DSC + struct dsc { + bool disable_dsc_edp; + unsigned int force_dsc_edp_policy; + } dsc; + /* eDP ILR */ + struct ilr { + bool optimize_edp_link_rate; /* eDP ILR */ + } ilr; +}; /* * A link contains one or more sinks and their connected status. * The currently active signal type (HDMI, DP-SST, DP-MST) is also reported. @@ -106,16 +161,18 @@ struct dc_link { bool link_state_valid; bool aux_access_disabled; bool sync_lt_in_progress; - enum lttpr_mode lttpr_mode; bool is_internal_display; /* TODO: Rename. Flag an endpoint as having a programmable mapping to a * DIG encoder. */ bool is_dig_mapping_flexible; bool hpd_status; /* HPD status of link without physical HPD pin. */ + bool is_hpd_pending; /* Indicates a new received hpd */ bool edp_sink_present; + struct dp_trace dp_trace; + /* caps is the same as reported_link_cap. link_traing use * reported_link_cap. Will clean up. TODO */ @@ -159,9 +216,6 @@ struct dc_link { struct panel_cntl *panel_cntl; struct link_encoder *link_enc; -#if defined(CONFIG_DRM_AMD_DC_DCN) - struct hpo_dp_link_encoder *hpo_dp_link_enc; -#endif struct graphics_object_id link_id; /* Endpoint type distinguishes display endpoints which do not have entries * in the BIOS connector table from those that do. Helps when tracking link @@ -185,6 +239,10 @@ struct dc_link { /* Drive settings read from integrated info table */ struct dc_lane_settings bios_forced_drive_settings; + /* Vendor specific LTTPR workaround variables */ + uint8_t vendor_specific_lttpr_link_rate_wa; + bool apply_vendor_specific_lttpr_link_rate_wa; + /* MST record stream using this link */ struct link_flags { bool dp_keep_receiver_powered; @@ -193,14 +251,19 @@ struct dc_link { bool dp_mot_reset_segment; /* Some USB4 docks do not handle turning off MST DSC once it has been enabled. */ bool dpia_mst_dsc_always_on; + /* Forced DPIA into TBT3 compatibility mode. */ + bool dpia_forced_tbt3_mode; + bool dongle_mode_timing_override; } wa_flags; struct link_mst_stream_allocation_table mst_stream_alloc_table; struct dc_link_status link_status; + struct dprx_states dprx_states; - struct link_trace link_trace; struct gpio *hpd_gpio; enum dc_link_fec_state fec_state; + struct dc_panel_config panel_config; + struct phy_state phy_state; }; const struct dc_link_status *dc_link_get_status(const struct dc_link *dc_link); @@ -289,8 +352,17 @@ 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); +bool dc_power_alpm_dpcd_enable(struct dc_link *link, bool enable); + void dc_link_get_psr_residency(const struct dc_link *link, uint32_t *residency); +void dc_link_blank_all_dp_displays(struct dc *dc); +void dc_link_blank_all_edp_displays(struct dc *dc); + +void dc_link_blank_dp_stream(struct dc_link *link, bool hw_init); +bool dc_link_set_sink_vtotal_in_psr_active(const struct dc_link *link, + uint16_t psr_vtotal_idle, uint16_t psr_vtotal_su); + /* 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 @@ -299,19 +371,19 @@ void dc_link_get_psr_residency(const struct dc_link *link, uint32_t *residency); */ enum dc_detect_reason { DETECT_REASON_BOOT, + DETECT_REASON_RESUMEFROMS3S4, DETECT_REASON_HPD, DETECT_REASON_HPDRX, DETECT_REASON_FALLBACK, - DETECT_REASON_RETRAIN + 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); enum dc_status dc_link_allocate_mst_payload(struct pipe_ctx *pipe_ctx); -#if defined(CONFIG_DRM_AMD_DC_DCN) enum dc_status dc_link_reduce_mst_payload(struct pipe_ctx *pipe_ctx, uint32_t req_pbn); enum dc_status dc_link_increase_mst_payload(struct pipe_ctx *pipe_ctx, uint32_t req_pbn); -#endif /* Notify DC about DP RX Interrupt (aka Short Pulse Interrupt). * Return: @@ -350,14 +422,17 @@ void dc_link_remove_remote_sink( void dc_link_dp_set_drive_settings( struct dc_link *link, + const struct link_resource *link_res, struct link_training_settings *lt_settings); bool dc_link_dp_perform_link_training_skip_aux( struct dc_link *link, + const struct link_resource *link_res, const struct dc_link_settings *link_setting); enum link_training_result dc_link_dp_perform_link_training( struct dc_link *link, + const struct link_resource *link_res, const struct dc_link_settings *link_settings, bool skip_video_pattern); @@ -365,6 +440,7 @@ bool dc_link_dp_sync_lt_begin(struct dc_link *link); enum link_training_result dc_link_dp_sync_lt_attempt( struct dc_link *link, + const struct link_resource *link_res, struct dc_link_settings *link_setting, struct dc_link_training_overrides *lt_settings); @@ -426,6 +502,11 @@ const struct dc_link_settings *dc_link_get_link_cap( void dc_link_overwrite_extended_receiver_cap( struct dc_link *link); +bool dc_is_oem_i2c_device_present( + struct dc *dc, + size_t slave_address +); + bool dc_submit_i2c( struct dc *dc, uint32_t link_index, @@ -441,7 +522,32 @@ uint32_t dc_bandwidth_in_kbps_from_timing( bool dc_link_is_fec_supported(const struct dc_link *link); bool dc_link_should_enable_fec(const struct dc_link *link); -#if defined(CONFIG_DRM_AMD_DC_DCN) +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); -#endif + +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); +struct gpio *get_hpd_gpio(struct dc_bios *dcb, + struct graphics_object_id link_id, + struct gpio_service *gpio_service); +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, + bool in_detection); +void dc_dp_trace_set_is_logged_flag(struct dc_link *link, + bool in_detection, + bool is_logged); +bool dc_dp_trace_is_logged(struct dc_link *link, + bool in_detection); +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 reset_cur_dp_mst_topology(struct dc_link *link); #endif /* DC_LINK_H_ */ |