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Date:   Thu, 7 Sep 2023 15:44:48 +0100
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Mario Limonciello <mario.limonciello@amd.com>
Cc:     stable@vger.kernel.org,
        Michael Larabel <Michael@michaellarabel.com>
Subject: Re: Kernel 6.5 black screen regression
Message-ID: <2023090738-wannabe-nape-65c6@gregkh>
References: <074d84cd-e802-4900-ad70-b9402de43e64@amd.com>
 <2023090729-struggle-poison-4ebc@gregkh>
 <2b6d2117-b76d-4e86-87ba-48ebc6da11a9@amd.com>
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On Thu, Sep 07, 2023 at 09:06:15AM -0500, Mario Limonciello wrote:
> On 9/7/2023 05:13, Greg KH wrote:
> > On Wed, Sep 06, 2023 at 12:55:29PM -0500, Mario Limonciello wrote:
> > > Hi,
> > > 
> > > The following patch fixes a regression reported by Michael Larabel on an
> > > Acer Phoenix laptop where there is a black screen in GNOME with kernel 6.5.
> > > 
> > > It's marked CC to stable, but I checked the stable queue and didn't see it
> > > so I wanted to make sure it wasn't missed.
> > 
> > The fixes tag in that commit is odd, it says it fixes something that is
> > NOT in 6.5, so are you sure about this?
> > 
> 
> I believe it's one of those cases that the same commit landed twice. So the
> wrong SHA got added to the fixes tag.
> 
> This is the one it should have been:
> 
> 1ca67aba8d11 ("drm/amd/display: only accept async flips for fast updates")
> 
> > > a7c0cad0dc06 ("drm/amd/display: ensure async flips are only accepted for
> > > fast updates")
> > > 
> > > Reported-by: Michael Larabel <Michael@MichaelLarabel.com>
> > 
> > Ok, now queued up, thanks.
> 
> Thanks!
> 
> Seeing the correct sha1; I find the problematic one backported to:
> 
> * 6.4.7 as cd013a58cf64 ("drm/amd/display: only accept async flips for fast
> updates")
> 
> and
> 
> * 6.1.42 as 438542074174 ("drm/amd/display: only accept async flips for fast
> updates")
> 
> Did you only queue for 6.5.y?  If so, can you please add to 6.1.y and 6.4.y
> as well?

Ok, now queued up there too, thanks.

greg k-h