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Date:   Sat, 12 Aug 2023 08:01:06 +0200
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Mario Limonciello <mario.limonciello@amd.com>
Cc:     stable@vger.kernel.org, Peichen Huang <peichen.huang@amd.com>
Subject: Re: [PATCH 6.1.y] drm/amd/display: limit DPIA link rate to HBR3
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 <2023080911-shortage-slicing-6ef8@gregkh>
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On Wed, Aug 09, 2023 at 06:18:23AM -0500, Mario Limonciello wrote:
> On 8/9/23 04:05, Greg KH wrote:
> > On Mon, Aug 07, 2023 at 09:00:47AM -0500, Mario Limonciello wrote:
> > > From: Peichen Huang <peichen.huang@amd.com>
> > > 
> > > [Why]
> > > DPIA doesn't support UHBR, driver should not enable UHBR
> > > for dp tunneling
> > > 
> > > [How]
> > > limit DPIA link rate to HBR3
> > > 
> > > Cc: Mario Limonciello <mario.limonciello@amd.com>
> > > Cc: Alex Deucher <alexander.deucher@amd.com>
> > > Cc: stable@vger.kernel.org
> > > Acked-by: Stylon Wang <stylon.wang@amd.com>
> > > Signed-off-by: Peichen Huang <peichen.huang@amd.com>
> > > Reviewed-by: Mustapha Ghaddar <Mustapha.Ghaddar@amd.com>
> > > Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
> > > Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
> > > (cherry picked from commit 0e69ef6ea82e8eece7d2b2b45a0da9670eaaefff)
> > > This was CC to stable, but failed to apply because the file was
> > > renamed in 6.3-rc1 as part of
> > > 54618888d1ea ("drm/amd/display: break down dc_link.c")
> > 
> > It also is not in 6.4.y, why not?  I can't take it for 6.1.y only,
> > otherwise people will have a regression when they move to a new kernel.
> > 
> > thanks,
> > 
> > greg k-h
> 
> This is one of those cases that the same commit landed in the tree twice as
> two hashes.
> 
> Here's the 6.4 hash (which is identical):
> 
> $ git describe --contains 7c5835bcb9176df94683396f1c0e5df6bf5094b3
> v6.4-rc7~9^2~2^2

Ah, what a mess, the drm tree never ceases to amaze me...

now queued up, thanks.

greg k-h