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> -----Original Message-----
> From: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>
> Sent: Friday, December 27, 2024 2:50 AM
> To: Deucher, Alexander <Alexander.Deucher@xxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx; sashal@xxxxxxxxxx
> Subject: Re: [PATCH] drm/amdgpu: fix backport of commit 73dae652dcac
>
> On Fri, Dec 27, 2024 at 02:37:00AM -0500, Alex Deucher wrote:
> > Commit 73dae652dcac ("drm/amdgpu: rework resume handling for display
> > (v2)") missed a small code change when it was backported resulting in
> > an automatic backlight control breakage. Fix the backport.
> >
> > Note that this patch is not in Linus' tree as it is not required
> > there; the bug was introduced in the backport.
> >
> > Fixes: 99a02eab8251 ("drm/amdgpu: rework resume handling for display
> > (v2)")
> > Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3853
> > Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
> > Cc: stable@xxxxxxxxxxxxxxx # 6.11.x
>
> So the 6.12.y backport is ok? What exact trees is this fix for?
Everything older than 6.13 needs this fix. The code changed between 6.12 and 6.13 which required a backport of the patch for 6.12 and older kernels. All kernels older than 6.13 need this fix. The original backported patch targeted 6.11 and newer stable kernels. 6.11 is EOL so probably just 6.12 unless someone pulled the patch back to some older kernel as well.
Thanks,
Alex
