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| author | Alex Hung <alex.hung@amd.com> | 2025-10-22 16:19:34 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-11-13 15:37:49 -0500 |
| commit | c42338b9d117269292257866d3f672a1ba6881d0 (patch) | |
| tree | c99e2ea1b66c0e9f39c6f63bf14943631be9e938 | |
| parent | bc215236e37bd9cb8e47cb4d719c5d2cc906bfc1 (diff) | |
| download | linux-c42338b9d117269292257866d3f672a1ba6881d0.tar.gz linux-c42338b9d117269292257866d3f672a1ba6881d0.tar.bz2 linux-c42338b9d117269292257866d3f672a1ba6881d0.zip | |
drm/amd/display: Fix black screen with HDMI outputs
commit fdc93beeadc2439e5e85d056a8fe681dcced09da upstream.
[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>
(cherry picked from commit 678c901443a6d2e909e3b51331a20f9d8f84ce82)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -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 18d0ef40f23f..95d314e24d51 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_detection.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_detection.c @@ -1141,6 +1141,7 @@ 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; |