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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 15:34:41 -0500 |
| commit | b12a603d2213c07fd1bb0127416da957e530b2d2 (patch) | |
| tree | 84ed78e33420be7b8b9664cd964835bf26e95138 | |
| parent | f4fccd55e81d37390b124da8532dd9610b992889 (diff) | |
| download | linux-b12a603d2213c07fd1bb0127416da957e530b2d2.tar.gz linux-b12a603d2213c07fd1bb0127416da957e530b2d2.tar.bz2 linux-b12a603d2213c07fd1bb0127416da957e530b2d2.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 3f609f546859..b6951d7dab49 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_detection.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_detection.c @@ -1133,6 +1133,7 @@ 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; |