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 | 56 |
1 files changed, 50 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h index 6f0b80111e58..d25603128394 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ b/drivers/gpu/drm/amd/display/dc/dc_link.h @@ -29,13 +29,11 @@ #include "dc_types.h" #include "grph_object_defs.h" -#ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT enum dc_link_fec_state { dc_link_fec_not_ready, dc_link_fec_ready, dc_link_fec_enabled }; -#endif struct dc_link_status { bool link_active; struct dpcd_caps *dpcd_caps; @@ -83,6 +81,9 @@ struct dc_link { bool is_hpd_filter_disabled; bool dp_ss_off; bool link_state_valid; + bool aux_access_disabled; + bool sync_lt_in_progress; + bool is_lttpr_mode_transparent; /* caps is the same as reported_link_cap. link_traing use * reported_link_cap. Will clean up. TODO @@ -92,6 +93,8 @@ struct dc_link { struct dc_link_settings cur_link_settings; struct dc_lane_settings cur_lane_setting; struct dc_link_settings preferred_link_setting; + struct dc_link_training_overrides preferred_training_settings; + struct dp_audio_test_data audio_test_data; uint8_t ddc_hw_inst; @@ -123,12 +126,14 @@ struct dc_link { unsigned short chip_caps; unsigned int dpcd_sink_count; enum edp_revision edp_revision; - bool psr_enabled; + bool psr_feature_enabled; + bool psr_allow_active; /* MST record stream using this link */ struct link_flags { bool dp_keep_receiver_powered; bool dp_skip_DID2; + bool dp_skip_reset_segment; } wa_flags; struct link_mst_stream_allocation_table mst_stream_alloc_table; @@ -136,9 +141,7 @@ struct dc_link { struct link_trace link_trace; struct gpio *hpd_gpio; -#ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT enum dc_link_fec_state fec_state; -#endif }; const struct dc_link_status *dc_link_get_status(const struct dc_link *dc_link); @@ -155,6 +158,18 @@ static inline struct dc_link *dc_get_link_at_index(struct dc *dc, uint32_t link_ return dc->links[link_index]; } +static inline struct dc_link *get_edp_link(const struct dc *dc) +{ + int i; + + // report any eDP links, even unconnected DDI's + for (i = 0; i < dc->link_count; i++) { + if (dc->links[i]->connector_signal == SIGNAL_TYPE_EDP) + return dc->links[i]; + } + return NULL; +} + /* Set backlight level of an embedded panel (eDP, LVDS). * backlight_pwm_u16_16 is unsigned 32 bit with 16 bit integer * and 16 bit fractional, where 1.0 is max backlight value. @@ -167,7 +182,7 @@ 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); +bool dc_link_set_psr_allow_active(struct dc_link *dc_link, bool enable, bool wait); bool dc_link_get_psr_state(const struct dc_link *dc_link, uint32_t *psr_state); @@ -189,6 +204,8 @@ enum dc_detect_reason { 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); +enum dc_status dc_link_reallocate_mst_payload(struct dc_link *link); /* Notify DC about DP RX Interrupt (aka Short Pulse Interrupt). * Return: @@ -217,11 +234,24 @@ void dc_link_dp_set_drive_settings( struct dc_link *link, struct link_training_settings *lt_settings); +bool dc_link_dp_perform_link_training_skip_aux( + struct dc_link *link, + const struct dc_link_settings *link_setting); + enum link_training_result dc_link_dp_perform_link_training( struct dc_link *link, const struct dc_link_settings *link_setting, bool skip_video_pattern); +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, + struct dc_link_settings *link_setting, + struct dc_link_training_overrides *lt_settings); + +bool dc_link_dp_sync_lt_end(struct dc_link *link, bool link_down); + void dc_link_dp_enable_hpd(const struct dc_link *link); void dc_link_dp_disable_hpd(const struct dc_link *link); @@ -229,6 +259,7 @@ void dc_link_dp_disable_hpd(const struct dc_link *link); bool dc_link_dp_set_test_pattern( struct dc_link *link, enum dp_test_pattern test_pattern, + enum dp_test_pattern_color_space test_pattern_color_space, const struct link_training_settings *p_link_settings, const unsigned char *p_custom_pattern, unsigned int cust_pattern_size); @@ -251,10 +282,16 @@ void dc_link_perform_link_training(struct dc *dc, void dc_link_set_preferred_link_settings(struct dc *dc, struct dc_link_settings *link_setting, struct dc_link *link); +void dc_link_set_preferred_training_settings(struct dc *dc, + struct dc_link_settings *link_setting, + struct dc_link_training_overrides *lt_overrides, + struct dc_link *link, + bool skip_immediate_retrain); 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, + enum dp_test_pattern_color_space test_pattern_color_space, const struct link_training_settings *p_link_settings, const unsigned char *p_custom_pattern, unsigned int cust_pattern_size); @@ -265,11 +302,18 @@ uint32_t dc_link_bandwidth_kbps( const struct dc_link_settings *dc_link_get_link_cap( const struct dc_link *link); +void dc_link_overwrite_extended_receiver_cap( + struct dc_link *link); + bool dc_submit_i2c( struct dc *dc, uint32_t link_index, struct i2c_command *cmd); +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); #endif /* DC_LINK_H_ */ |
