6.6-stable review patch. If anyone has any objections, please let me know.
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From: Alex Hung alex.hung@amd.com
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 --- drivers/gpu/drm/amd/display/dc/link/link_detection.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/gpu/drm/amd/display/dc/link/link_detection.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_detection.c @@ -1114,6 +1114,7 @@ static bool detect_link_and_local_sink(s !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;