Hi,
Yesterday came the 6.7-rc1 kernel.
And surprisingly it turned out it is not working with my LG C3.
I use this OLED TV as my primary monitor.
After login to GNOME I see a horizontal flashing bar with a picture of
the desktop background on white screen.
Demonstration: https://youtu.be/7F76VfRkrVo

I made a bisection.
And bisect said that the first bad commit is:
commit ed6e2782e9747508888f671e1101250bb19045be
Author: Alvin Lee <alvin.l...@amd.com>
Date:   Mon Oct 23 14:33:16 2023 -0400

    drm/amd/display: For cursor P-State allow for SubVP

    [Description]
    - Similar to FPO, SubVP should also force cursor P-State
      allow instead of relying on natural assertion
    - Implement code path to force and unforce cursor P-State
      allow for SubVP

    Reviewed-by: Samson Tam <samson....@amd.com>
    Acked-by: Hersen Wu <hersenxs...@amd.com>
    Signed-off-by: Alvin Lee <alvin.l...@amd.com>
    Tested-by: Daniel Wheeler <daniel.whee...@amd.com>
    Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>

 drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c | 17 ++---------------
 1 file changed, 2 insertions(+), 15 deletions(-)

My hardware specs: https://linux-hardware.org/?probe=1c989dab38

-- 
Best Regards,
Mike Gavrilov.

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