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| author | Jimmy Kizito <Jimmy.Kizito@amd.com> | 2021-01-06 15:21:11 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-04-09 16:48:42 -0400 |
| commit | 79ed7354d70f6e9579c25afc682b5f5ad44791bf (patch) | |
| tree | dea6951864c4399070800054c19019d87bb1516c /drivers/gpu/drm/amd/display/dc/inc | |
| parent | f42ef862fb1fbbd291fb381f38d3910da644a44d (diff) | |
| download | linux-stable-79ed7354d70f6e9579c25afc682b5f5ad44791bf.tar.gz linux-stable-79ed7354d70f6e9579c25afc682b5f5ad44791bf.tar.bz2 linux-stable-79ed7354d70f6e9579c25afc682b5f5ad44791bf.zip | |
drm/amd/display: Update display endpoint control path.
[Why]
Some display endpoints may be dynamically mapped to the link encoders
which drive them.
[How]
Update the code paths for display enabling/disabling to accommodate
the dynamic association between links and link encoders.
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/link_enc_cfg.h | 18 |
1 files changed, 18 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 ad641632eadd..7d36e55f3097 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 @@ -65,4 +65,22 @@ void link_enc_cfg_link_enc_unassign( struct dc_state *state, struct dc_stream_state *stream); +/* + * Check whether the transmitter driven by a link encoder is a mappable + * endpoint. + */ +bool link_enc_cfg_is_transmitter_mappable( + struct dc_state *state, + struct link_encoder *link_enc); + +/* Return link using DIG link encoder resource. NULL if unused. */ +struct dc_link *link_enc_cfg_get_link_using_link_enc( + struct dc_state *state, + enum engine_id eng_id); + +/* Return DIG link encoder used by link. NULL if unused. */ +struct link_encoder *link_enc_cfg_get_link_enc_used_by_link( + struct dc_state *state, + struct dc_link *link); + #endif /* DC_INC_LINK_ENC_CFG_H_ */ |