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SubjectRe: regression/bisected/6.7rc1: Instead of desktop I see a horizontal flashing bar with a picture of the desktop background on white screen
On Tue, Nov 14, 2023 at 3:55 PM Mikhail Gavrilov
<mikhail.v.gavrilov@gmail.com> wrote:
>
> 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.lee2@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.tam@amd.com>
> Acked-by: Hersen Wu <hersenxs.wu@amd.com>
> Signed-off-by: Alvin Lee <alvin.lee2@amd.com>
> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
> Signed-off-by: Alex Deucher <alexander.deucher@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.

I forgot kernel logs. Not sure it would be helpful because I didn't
notice anything unusual.

--
Best Regards,
Mike Gavrilov.
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