diff options
Diffstat (limited to '')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_link.h | 27 |
1 files changed, 23 insertions, 4 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..c0e37ad0e26c 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, @@ -113,6 +115,7 @@ struct dc_link { * 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; @@ -159,9 +162,6 @@ 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 +185,10 @@ 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; @@ -291,6 +295,10 @@ bool dc_link_setup_psr(struct dc_link *dc_link, 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_dp_stream(struct dc_link *link, bool hw_init); + /* 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 @@ -302,7 +310,7 @@ enum dc_detect_reason { DETECT_REASON_HPD, DETECT_REASON_HPDRX, DETECT_REASON_FALLBACK, - DETECT_REASON_RETRAIN + DETECT_REASON_RETRAIN, }; bool dc_link_detect(struct dc_link *dc_link, enum dc_detect_reason reason); @@ -350,14 +358,17 @@ 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 +376,7 @@ 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); @@ -442,6 +454,13 @@ 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 + +const struct link_resource *dc_link_get_cur_link_res(const struct dc_link *link); +/* 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); #endif /* DC_LINK_H_ */ |