Bug#1094766: linux-source-6.1: Revert "drm/amdgpu: rework resume handling for display (v2)"

[k02 <konoha02@yahoo.com>]

    Package: linux-source-6.1
    Version: 6.1.124-1
    Severity: important
    
    Hi,
    After upgrading to linux 6.1.19 to 6.1.24 i can no longer control
    the
    brightness of my display after suspending.
    
    It is highly related to the following mistake reverted on 6.1.127:
> commit e77360374fd06a5e6dfbe4a6848bfb8ba5e96eda
> Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Date:   Tue Jan 21 14:14:58 2025 +0100
>
>     Revert "drm/amdgpu: rework resume handling for display (v2)"
>     
>     This reverts commit c807ab3a861f656bc39471a20a16b36632ac6b04 which is
>     commit 73dae652dcac776296890da215ee7dec357a1032 upstream.
>     
>     The original patch 73dae652dcac (drm/amdgpu: rework resume handling for
>     display (v2)), was only targeted at kernels 6.11 and newer.  It did not
>     apply cleanly to 6.12 so I backported it and it backport landed as
>     99a02eab8251 ("drm/amdgpu: rework resume handling for display (v2)"),
>     however there was a bug in the backport that was subsequently fixed in
>     063d380ca28e ("drm/amdgpu: fix backport of commit 73dae652dcac").  None
>     of this was intended for kernels older than 6.11, however the original
>     backport eventually landed in 6.6, 6.1, and 5.15.
>     
>     Please revert the change from kernels 6.6, 6.1, and 5.15.
>

Have a nice day.

    -- System Information:
    Debian Release: 12.9
    APT prefers stable-updates
    APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500,
    'stable')
    Architecture: amd64 (x86_64)
    Foreign Architectures: i386
    
    Kernel: Linux 6.1.124 (SMP w/8 CPU threads; PREEMPT)
    Locale: LANG=es_AR.UTF-8, LC_CTYPE=es_AR.UTF-8 (charmap=UTF-8),
    LANGUAGE=es_AR:es
    Shell: /bin/sh linked to /usr/bin/dash
    Init: systemd (via /run/systemd/system)
    LSM: AppArmor: enabled
    
    Versions of packages linux-source-6.1 depends on:
    ii binutils 2.40-2
    ii xz-utils 5.4.1-0.2
    
    Versions of packages linux-source-6.1 recommends:
    ii bc 1.07.1-3+b1
    ii bison 2:3.8.2+dfsg-1+b1
    ii build-essential 12.9
    ii cpio 2.13+dfsg-7.1
    ii flex 2.6.4-8.2
    ii kmod 30+20221128-1
    ii libelf-dev 0.188-2.1
    ii libssl-dev 3.0.15-1~deb12u1
    ii linux-config-6.1 6.1.124-1
    ii rsync 3.2.7-1+deb12u2
    
    Versions of packages linux-source-6.1 suggests:
    ii libncurses-dev [ncurses-dev] 6.4-4
    ii pkg-config 1.8.1-1
    ii pkgconf [pkg-config] 1.8.1-1
    pn qtbase5-dev <none>
    
    -- no debconf information