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: <2024073028-rectified-antler-a65b@gregkh>
Date: Tue, 30 Jul 2024 08:20:55 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: "Lin, Wayne" <Wayne.Lin@....com>
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

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