Files
linux-stable-mirror/drivers/gpu/drm/amd/display
Alex HungandGreg Kroah-Hartman 8fa7f51d37 drm/amd/display: Fix black screen with HDMI outputs
commit fdc93beead 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: 489f0f600c ("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 678c901443)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-11-24 10:29:55 +01:00
..