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 | 38 |
1 files changed, 31 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h index 83845d006c54..180ecd860296 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ b/drivers/gpu/drm/amd/display/dc/dc_link.h @@ -45,6 +45,10 @@ struct dc_link_status { 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 */ @@ -81,6 +85,7 @@ struct psr_settings { */ bool psr_frame_capture_indication_req; unsigned int psr_sdp_transmit_line_num_deadline; + unsigned int psr_power_opt; }; /* @@ -117,8 +122,12 @@ struct dc_link { struct dc_link_settings reported_link_cap; struct dc_link_settings verified_link_cap; struct dc_link_settings cur_link_settings; - struct dc_lane_settings cur_lane_setting; + struct dc_lane_settings cur_lane_setting[LANE_COUNT_DP_MAX]; struct dc_link_settings preferred_link_setting; + /* preferred_training_settings are override values that + * come from DM. DM is responsible for the memory + * management of the override pointers. + */ struct dc_link_training_overrides preferred_training_settings; struct dp_audio_test_data audio_test_data; @@ -150,6 +159,9 @@ 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 @@ -170,11 +182,15 @@ struct dc_link { struct psr_settings psr_settings; + /* Drive settings read from integrated info table */ + struct dc_lane_settings bios_forced_drive_settings; + /* MST record stream using this link */ struct link_flags { bool dp_keep_receiver_powered; bool dp_skip_DID2; bool dp_skip_reset_segment; + bool dp_mot_reset_segment; } wa_flags; struct link_mst_stream_allocation_table mst_stream_alloc_table; @@ -260,8 +276,8 @@ int dc_link_get_backlight_level(const struct dc_link *dc_link); int dc_link_get_target_backlight_pwm(const struct dc_link *link); -bool dc_link_set_psr_allow_active(struct dc_link *dc_link, bool enable, - bool wait, bool force_static); +bool dc_link_set_psr_allow_active(struct dc_link *dc_link, const bool *enable, + bool wait, bool force_static, const unsigned int *power_opts); bool dc_link_get_psr_state(const struct dc_link *dc_link, enum dc_psr_state *state); @@ -288,6 +304,10 @@ 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); +#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: @@ -296,7 +316,8 @@ enum dc_status dc_link_allocate_mst_payload(struct pipe_ctx *pipe_ctx); * false - no change in Downstream port status. No further action required * from DM. */ bool dc_link_handle_hpd_rx_irq(struct dc_link *dc_link, - union hpd_irq_data *hpd_irq_dpcd_data, bool *out_link_loss); + union hpd_irq_data *hpd_irq_dpcd_data, bool *out_link_loss, + bool defer_handling, bool *has_left_work); /* * On eDP links this function call will stall until T12 has elapsed. @@ -305,9 +326,9 @@ bool dc_link_handle_hpd_rx_irq(struct dc_link *dc_link, */ bool dc_link_wait_for_t12(struct dc_link *link); -enum dc_status read_hpd_rx_irq_data( - struct dc_link *link, - union hpd_irq_data *irq_data); +void dc_link_dp_handle_automated_test(struct dc_link *link); +void dc_link_dp_handle_link_loss(struct dc_link *link); +bool dc_link_dp_allow_hpd_rx_irq(const struct dc_link *link); struct dc_sink_init_data; @@ -416,4 +437,7 @@ 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) +enum dp_link_encoding dc_link_dp_mst_decide_link_encoding_format(const struct dc_link *link); +#endif #endif /* DC_LINK_H_ */ |