diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/link_enc_cfg.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/link_enc_cfg.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/link_enc_cfg.h b/drivers/gpu/drm/amd/display/dc/inc/link_enc_cfg.h index a4e43b4826e0..dc650be3837e 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/link_enc_cfg.h +++ b/drivers/gpu/drm/amd/display/dc/inc/link_enc_cfg.h @@ -40,6 +40,11 @@ void link_enc_cfg_init( struct dc_state *state); /* + * Copies a link encoder assignment from another state. + */ +void link_enc_cfg_copy(const struct dc_state *src_ctx, struct dc_state *dst_ctx); + +/* * Algorithm for assigning available DIG link encoders to streams. * * Update link_enc_assignments table and link_enc_avail list accordingly in @@ -96,10 +101,25 @@ struct link_encoder *link_enc_cfg_get_link_enc_used_by_stream( struct dc *dc, const struct dc_stream_state *stream); +/* Return DIG link encoder. NULL if unused. */ +struct link_encoder *link_enc_cfg_get_link_enc(const struct dc_link *link); + +/* Return DIG link encoder used by stream in current/previous state. NULL if unused. */ +struct link_encoder *link_enc_cfg_get_link_enc_used_by_stream_current( + struct dc *dc, + const struct dc_stream_state *stream); + /* Return true if encoder available to use. */ bool link_enc_cfg_is_link_enc_avail(struct dc *dc, enum engine_id eng_id, struct dc_link *link); /* Returns true if encoder assignments in supplied state pass validity checks. */ bool link_enc_cfg_validate(struct dc *dc, struct dc_state *state); +/* Set the link encoder assignment mode for the current_state to LINK_ENC_CFG_TRANSIENT mode. + * This indicates that a new_state is in the process of being applied to hardware. + * During this transition, old and new encoder assignments should be accessible from the old_state. + * Only allow transition into transient mode if new encoder assignments are valid. + */ +void link_enc_cfg_set_transient_mode(struct dc *dc, struct dc_state *current_state, struct dc_state *new_state); + #endif /* DC_INC_LINK_ENC_CFG_H_ */ |