diff options
| author | Wenjing Liu <wenjing.liu@amd.com> | 2021-11-29 14:43:02 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-12-30 08:54:45 -0500 |
| commit | 6dd8931b1ceebbb92e4e0a9d12a236d82a072ea4 (patch) | |
| tree | 91bac0107f142a7a92d1ac705b2bc5d12843746f /drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h | |
| parent | 3d38a5839ea8afe58fa59abc0a3453f44cae81e8 (diff) | |
| download | linux-6dd8931b1ceebbb92e4e0a9d12a236d82a072ea4.tar.bz2 | |
drm/amd/display: support dynamic HPO DP link encoder allocation
[why]
When there are more DP2.0 RXs connected than the number HPO DP link
encoders we have, we need to dynamically allocate HPO DP link encoder to
the port that needs it.
[how]
Only allocate HPO DP link encoder when it is needed.
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h b/drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h index bb0e91756ddd..2ce15cd10d80 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h @@ -268,7 +268,8 @@ struct hpo_dp_link_encoder_funcs { void (*enable_link_phy)(struct hpo_dp_link_encoder *enc, const struct dc_link_settings *link_settings, - enum transmitter transmitter); + enum transmitter transmitter, + enum hpd_source_id hpd_source); void (*disable_link_phy)(struct hpo_dp_link_encoder *link_enc, enum signal_type signal); |