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 | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h index 00ff5e98278c..f63fc25aa6c5 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ b/drivers/gpu/drm/amd/display/dc/dc_link.h @@ -66,6 +66,22 @@ struct time_stamp { struct link_trace { struct time_stamp time_stamp; }; + +/* PSR feature flags */ +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 + + /* These parameters are calculated in Driver, + * based on display timing and Sink capabilities. + * If VBLANK region is too small and Sink takes a long time + * to set up RFB, it may take an extra frame to enter PSR state. + */ + bool psr_frame_capture_indication_req; + unsigned int psr_sdp_transmit_line_num_deadline; +}; + /* * A link contains one or more sinks and their connected status. * The currently active signal type (HDMI, DP-SST, DP-MST) is also reported. @@ -118,6 +134,7 @@ struct dc_link { struct dc_context *ctx; + struct panel_cntl *panel_cntl; struct link_encoder *link_enc; struct graphics_object_id link_id; union ddi_channel_mapping ddi_channel_mapping; @@ -126,11 +143,14 @@ struct dc_link { uint32_t dongle_max_pix_clk; unsigned short chip_caps; unsigned int dpcd_sink_count; +#if defined(CONFIG_DRM_AMD_DC_HDCP) + struct hdcp_caps hdcp_caps; +#endif enum edp_revision edp_revision; - bool psr_feature_enabled; - bool psr_allow_active; union dpcd_sink_ext_caps dpcd_sink_ext_caps; + struct psr_settings psr_settings; + /* MST record stream using this link */ struct link_flags { bool dp_keep_receiver_powered; @@ -197,7 +217,7 @@ bool dc_link_set_default_brightness_aux(struct dc_link *link); int dc_link_get_backlight_level(const struct dc_link *dc_link); -bool dc_link_set_abm_disable(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); @@ -290,6 +310,10 @@ bool dc_link_detect_sink(struct dc_link *link, enum dc_connection_type *type); * DPCD access interfaces */ +#ifdef CONFIG_DRM_AMD_DC_HDCP +bool dc_link_is_hdcp14(struct dc_link *link); +bool dc_link_is_hdcp22(struct dc_link *link); +#endif void dc_link_set_drive_settings(struct dc *dc, struct link_training_settings *lt_settings, const struct dc_link *link); |