diff options
| author | Harry VanZyllDeJong <hvanzyll@amd.com> | 2025-02-07 13:46:53 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-02-19 15:14:29 -0500 |
| commit | 6571bef25fe48c642f7a69ccf7c3198b317c136a (patch) | |
| tree | 350f71e0c96f5e13a498ae0769aff3deb499d0d7 | |
| parent | drm/amd/display: dpia should avoid encoder used by dp2 (diff) | |
| download | linux-6571bef25fe48c642f7a69ccf7c3198b317c136a.tar.gz linux-6571bef25fe48c642f7a69ccf7c3198b317c136a.zip | |
drm/amd/display: Add support for disconnected eDP streams
[Why]
eDP may not be connected to the GPU on driver start causing
fail enumeration.
[How]
Move the virtual signal type check before the eDP connector
signal check.
Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Harry VanZyllDeJong <hvanzyll@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c index 80439224acca..e3e7fcb07f19 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c @@ -945,6 +945,9 @@ bool link_decide_link_settings(struct dc_stream_state *stream, * TODO: add MST specific link training routine */ decide_mst_link_settings(link, link_setting); + } else if (stream->signal == SIGNAL_TYPE_VIRTUAL) { + link_setting->lane_count = LANE_COUNT_FOUR; + link_setting->link_rate = LINK_RATE_HIGH3; } else if (link->connector_signal == SIGNAL_TYPE_EDP) { /* enable edp link optimization for DSC eDP case */ if (stream->timing.flags.DSC) { @@ -967,9 +970,6 @@ bool link_decide_link_settings(struct dc_stream_state *stream, } else { edp_decide_link_settings(link, link_setting, req_bw); } - } else if (stream->signal == SIGNAL_TYPE_VIRTUAL) { - link_setting->lane_count = LANE_COUNT_FOUR; - link_setting->link_rate = LINK_RATE_HIGH3; } else { decide_dp_link_settings(link, link_setting, req_bw); } |