[REGRESSION] No image on 4k display port displays connected through usb-c dock in kernel 6.10

[Lin, Wayne]

[Public]

Thanks, Greg.
Will do.

Regards,
Wayne Lin

> -----Original Message-----
> From: Greg KH <gregkh at linuxfoundation.org>
> Sent: Tuesday, July 30, 2024 2:21 PM
> To: Lin, Wayne <Wayne.Lin at amd.com>
> Cc: kevin at holm.dev; Linux regressions mailing list
> <regressions at lists.linux.dev>; Deucher, Alexander
> <Alexander.Deucher at amd.com>; Wu, Hersen <hersenxs.wu at amd.com>;
> stable at vger.kernel.org; LKML <linux-kernel at vger.kernel.org>; ML dri-devel
> <dri-devel at lists.freedesktop.org>; amd-gfx at lists.freedesktop.org
> Subject: Re: [REGRESSION] No image on 4k display port displays connected
> through usb-c dock in kernel 6.10
>
> On Tue, Jul 30, 2024 at 05:56:42AM +0000, Lin, Wayne wrote:
> > [Public]
> >
> > Hi,
> > Thanks for the report.
> >
> > Patch fa57924c76d995 ("drm/amd/display: Refactor function
> > dm_dp_mst_is_port_support_mode()")
> > is kind of correcting problems causing by commit:
> > 4df96ba6676034 ("drm/amd/display: Add timing pixel encoding for mst
> > mode validation")
> >
> > Sorry if it misses fixes tag and would suggest to backport to fix it. Thanks!
>
> Please submit a backported version to the stable at vger.kernel.org list and we
> will be glad to consider it.
>
> thanks,
>
> greg k-h