ACK: [PATCH 0/3][SRU][Oracular] Enable AMD Panel Replay

[Magali Lemes]

On 01/12/2024 15:31, You-Sheng Yang wrote:
> BugLink: https://bugs.launchpad.net/bugs/2089556
> 
> [Impact]
> 
> AMD GPU Panel Replay not enabled.
> ```
> [drm:amdgpu_dm_update_freesync_caps [amdgpu]] Panel supports Replay Mode: 0
> ```
> 
> [Fix]
> 
> * commit be64336307a6("drm/amd/display: Re-enable panel replay feature") from
>    v6.12-rc1, also backported to v6.11.3
> * commit 17e68f89132b("drm/amd/display: Run idle optimizations at end of vblank
>    handler") from v6.12-rc1, also backported to v6.11.10
> * commit c7fafb7a46b3("drm/amd/display: Change some variable name of psr") in
>    upstream master, also backported to v6.11.10
> * commit ca628f0eddd7("drm/amd/display: Fix Panel Replay not update screen
>    correctly") in upstream master, also backported to v6.11.10
> 
> [Test Case]
> 
> Install proposed kernel, check dmesg output:
> ```
> $ sudo dmesg | grep amdgpu
> [drm:amdgpu_dm_update_freesync_caps [amdgpu]] Panel supports Replay Mode: 1
> ```
> Check hardware/driver support:
> ```
> $ cat /sys/kernel/debug/dri/0/eDP-1/replay_capability
> Sink support: yes
> Driver support: yes
> Config support: yes
> ```
> To have visual confirm, add `amdgpu.visualconfirm=0x0c` to boot parameters, then
> one color bar will be presented in the bottom line.
> 
> [Where problems could occur]
> 
> New hardware feature support. Expect further stable fixes.
> 
> [Other Info]
> 
> These changes have been backported to linux-6.11.y stable but across several
> stable revisions. Backport them as an integral so that panel display wont break
> between v6.11.3 and v6.11.10. Nominate for Oracular/OEM-6.11/Plucky.
> 
> Leo Li (1):
>    drm/amd/display: Run idle optimizations at end of vblank handler
> 
> Tom Chung (2):
>    drm/amd/display: Change some variable name of psr
>    drm/amd/display: Fix Panel Replay not update screen correctly
> 
>   .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 115 +++++++++---------
>   .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h |   2 +-
>   .../amd/display/amdgpu_dm/amdgpu_dm_crtc.c    |  17 ++-
>   .../display/amdgpu_dm/amdgpu_dm_irq_params.h  |   2 +-
>   4 files changed, 72 insertions(+), 64 deletions(-)
> 

Acked-by: Magali Lemes <magali.lemes at canonical.com>