diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h | 114 |
1 files changed, 9 insertions, 105 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h b/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h index e8d8c5cb1309..a4d9f1fea046 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h +++ b/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h @@ -31,7 +31,6 @@ #define LINK_AUX_DEFAULT_LTTPR_TIMEOUT_PERIOD 3200 /*us*/ #define LINK_AUX_DEFAULT_TIMEOUT_PERIOD 552 /*us*/ #define MAX_MTP_SLOT_COUNT 64 -#define DP_REPEATER_CONFIGURATION_AND_STATUS_SIZE 0x50 #define TRAINING_AUX_RD_INTERVAL 100 //us #define LINK_AUX_WAKE_TIMEOUT_MS 1500 // Timeout when trying to wake unresponsive DPRX. @@ -40,11 +39,6 @@ struct dc_stream_state; struct dc_link_settings; enum { - LINK_TRAINING_MAX_RETRY_COUNT = 5, - /* to avoid infinite loop where-in the receiver - * switches between different VS - */ - LINK_TRAINING_MAX_CR_RETRY = 100, /* * Some receivers fail to train on first try and are good * on subsequent tries. 2 retries should be plenty. If we @@ -74,17 +68,8 @@ bool decide_link_settings( struct dc_stream_state *stream, struct dc_link_settings *link_setting); -bool perform_link_training_with_retries( - const struct dc_link_settings *link_setting, - bool skip_video_pattern, - int attempts, - struct pipe_ctx *pipe_ctx, - enum signal_type signal, - bool do_fallback); - -bool hpd_rx_irq_check_link_loss_status( - struct dc_link *link, - union hpd_irq_data *hpd_irq_dpcd_data); +bool hpd_rx_irq_check_link_loss_status(struct dc_link *link, + union hpd_irq_data *hpd_irq_dpcd_data); bool is_mst_supported(struct dc_link *link); @@ -109,63 +94,6 @@ void dpcd_set_source_specific_data(struct dc_link *link); void dpcd_write_cable_id_to_dprx(struct dc_link *link); -/* Write DPCD link configuration data. */ -enum dc_status dpcd_set_link_settings( - struct dc_link *link, - const struct link_training_settings *lt_settings); -/* Write DPCD drive settings. */ -enum dc_status dpcd_set_lane_settings( - struct dc_link *link, - const struct link_training_settings *link_training_setting, - uint32_t offset); -/* Read training status and adjustment requests from DPCD. */ -enum dc_status dp_get_lane_status_and_lane_adjust( - struct dc_link *link, - const struct link_training_settings *link_training_setting, - union lane_status ln_status[LANE_COUNT_DP_MAX], - union lane_align_status_updated *ln_align, - union lane_adjust ln_adjust[LANE_COUNT_DP_MAX], - uint32_t offset); - -void dp_wait_for_training_aux_rd_interval( - struct dc_link *link, - uint32_t wait_in_micro_secs); - -bool dp_is_cr_done(enum dc_lane_count ln_count, - union lane_status *dpcd_lane_status); - -enum link_training_result dp_get_cr_failure(enum dc_lane_count ln_count, - union lane_status *dpcd_lane_status); - -bool dp_is_ch_eq_done(enum dc_lane_count ln_count, - union lane_status *dpcd_lane_status); -bool dp_is_symbol_locked(enum dc_lane_count ln_count, - union lane_status *dpcd_lane_status); -bool dp_is_interlane_aligned(union lane_align_status_updated align_status); - -bool dp_is_max_vs_reached( - const struct link_training_settings *lt_settings); -void dp_hw_to_dpcd_lane_settings( - const struct link_training_settings *lt_settings, - const struct dc_lane_settings hw_lane_settings[LANE_COUNT_DP_MAX], - union dpcd_training_lane dpcd_lane_settings[]); -void dp_decide_lane_settings( - const struct link_training_settings *lt_settings, - const union lane_adjust ln_adjust[LANE_COUNT_DP_MAX], - struct dc_lane_settings hw_lane_settings[LANE_COUNT_DP_MAX], - union dpcd_training_lane dpcd_lane_settings[]); - -uint32_t dp_translate_training_aux_read_interval(uint32_t dpcd_aux_read_interval); - -enum dpcd_training_patterns - dc_dp_training_pattern_to_dpcd_training_pattern( - struct dc_link *link, - enum dc_dp_training_pattern pattern); - -uint8_t dc_dp_initialize_scrambling_data_symbols( - struct dc_link *link, - enum dc_dp_training_pattern pattern); - enum dc_status dp_set_fec_ready(struct dc_link *link, const struct link_resource *link_res, bool ready); void dp_set_fec_enable(struct dc_link *link, bool enable); bool dp_set_dsc_enable(struct pipe_ctx *pipe_ctx, bool enable); @@ -183,32 +111,15 @@ void dp_decide_training_settings( /* Convert PHY repeater count read from DPCD uint8_t. */ uint8_t dp_convert_to_count(uint8_t lttpr_repeater_count); -/* Check DPCD training status registers to detect link loss. */ -enum link_training_result dp_check_link_loss_status( - struct dc_link *link, - const struct link_training_settings *link_training_setting); - -enum dc_status dpcd_configure_lttpr_mode( - struct dc_link *link, - struct link_training_settings *lt_settings); - enum dp_link_encoding dp_get_link_encoding_format(const struct dc_link_settings *link_settings); enum dc_status dp_retrieve_lttpr_cap(struct dc_link *link); bool dp_is_lttpr_present(struct dc_link *link); -enum lttpr_mode dp_decide_lttpr_mode(struct dc_link *link, struct dc_link_settings *link_setting); -void dp_get_lttpr_mode_override(struct dc_link *link, enum lttpr_mode *override); -enum lttpr_mode dp_decide_8b_10b_lttpr_mode(struct dc_link *link); -enum lttpr_mode dp_decide_128b_132b_lttpr_mode(struct dc_link *link); bool dpcd_write_128b_132b_sst_payload_allocation_table( const struct dc_stream_state *stream, struct dc_link *link, struct link_mst_stream_allocation_table *proposed_table, bool allocate); -enum dc_status dpcd_configure_channel_coding( - struct dc_link *link, - struct link_training_settings *lt_settings); - bool dpcd_poll_for_allocation_change_trigger(struct dc_link *link); struct fixed31_32 calculate_sst_avg_time_slots_per_mtp( @@ -220,7 +131,6 @@ void enable_dp_hpo_output(struct dc_link *link, void disable_dp_hpo_output(struct dc_link *link, const struct link_resource *link_res, enum signal_type signal); - void setup_dp_hpo_stream(struct pipe_ctx *pipe_ctx, bool enable); bool is_dp_128b_132b_signal(struct pipe_ctx *pipe_ctx); void edp_panel_backlight_power_on(struct dc_link *link, bool wait_for_hpd); @@ -242,26 +152,20 @@ void dp_disable_link_phy(struct dc_link *link, const struct link_resource *link_ void dp_disable_link_phy_mst(struct dc_link *link, const struct link_resource *link_res, enum signal_type signal); -bool dp_set_hw_training_pattern( - struct dc_link *link, - const struct link_resource *link_res, - enum dc_dp_training_pattern pattern, - uint32_t offset); - void dp_set_hw_lane_settings( struct dc_link *link, const struct link_resource *link_res, const struct link_training_settings *link_settings, uint32_t offset); -void dp_set_hw_test_pattern( - struct dc_link *link, - const struct link_resource *link_res, - enum dp_test_pattern test_pattern, - uint8_t *custom_pattern, - uint32_t custom_pattern_size); - void dp_retrain_link_dp_test(struct dc_link *link, struct dc_link_settings *link_setting, bool skip_video_pattern); + +bool decide_fallback_link_setting( + struct dc_link *link, + struct dc_link_settings *max, + struct dc_link_settings *cur, + enum link_training_result training_result); + #endif /* __DC_LINK_DP_H__ */ |