diff options
| author | Alex Hung <alex.hung@amd.com> | 2025-10-22 16:19:34 -0600 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-11-04 11:53:20 -0500 |
| commit | 678c901443a6d2e909e3b51331a20f9d8f84ce82 (patch) | |
| tree | 8a208cb787651ed2629f1812f9278a8780b0f021 | |
| parent | 54963d18a8e99e3eb5fe39b73c83b66fe8caf43f (diff) | |
drm/amd/display: Fix black screen with HDMI outputs
[Why & How]
This fixes the black screen issue on certain APUs with HDMI,
accompanied by the following messages:
amdgpu 0000:c4:00.0: amdgpu: [drm] Failed to setup vendor info
frame on connector DP-1: -22
amdgpu 0000:c4:00.0: [drm] Cannot find any crtc or sizes [drm]
Cannot find any crtc or sizes
Fixes: 489f0f600ce2 ("drm/amd/display: Fix DVI-D/HDMI adapters")
Suggested-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Ray Wu <ray.wu@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/link_detection.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_detection.c b/drivers/gpu/drm/amd/display/dc/link/link_detection.c index c417780f37bc..5d287874c125 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_detection.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_detection.c @@ -1257,6 +1257,7 @@ static bool detect_link_and_local_sink(struct dc_link *link, !sink->edid_caps.edid_hdmi) sink->sink_signal = SIGNAL_TYPE_DVI_SINGLE_LINK; else if (dc_is_dvi_signal(sink->sink_signal) && + dc_is_dvi_signal(link->connector_signal) && aud_support->hdmi_audio_native && sink->edid_caps.edid_hdmi) sink->sink_signal = SIGNAL_TYPE_HDMI_TYPE_A; |