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

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Message-ID:
 <CO6PR12MB5489EB3B5EC32858DA763B59FCB02@CO6PR12MB5489.namprd12.prod.outlook.com>
Date: Tue, 30 Jul 2024 09:09:16 +0000
From: "Lin, Wayne" <Wayne.Lin@....com>
To: Greg KH <gregkh@...uxfoundation.org>
CC: "kevin@...m.dev" <kevin@...m.dev>, Linux regressions mailing list
	<regressions@...ts.linux.dev>, "Deucher, Alexander"
	<Alexander.Deucher@....com>, "Wu, Hersen" <hersenxs.wu@....com>,
	"stable@...r.kernel.org" <stable@...r.kernel.org>, LKML
	<linux-kernel@...r.kernel.org>, ML dri-devel
	<dri-devel@...ts.freedesktop.org>, "amd-gfx@...ts.freedesktop.org"
	<amd-gfx@...ts.freedesktop.org>
Subject: RE: [REGRESSION] No image on 4k display port displays connected
 through usb-c dock in kernel 6.10

[Public]

Thanks, Greg.
Will do.

Regards,
Wayne Lin

> -----Original Message-----
> From: Greg KH <gregkh@...uxfoundation.org>
> Sent: Tuesday, July 30, 2024 2:21 PM
> To: Lin, Wayne <Wayne.Lin@....com>
> Cc: kevin@...m.dev; Linux regressions mailing list
> <regressions@...ts.linux.dev>; Deucher, Alexander
> <Alexander.Deucher@....com>; Wu, Hersen <hersenxs.wu@....com>;
> stable@...r.kernel.org; LKML <linux-kernel@...r.kernel.org>; ML dri-devel
> <dri-devel@...ts.freedesktop.org>; amd-gfx@...ts.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@...r.kernel.org list and we
> will be glad to consider it.
>
> thanks,
>
> greg k-h