NACK: [SRU][PULL][linux-firmware][Mantic] amdgpu: Update DMCUB for DCN314 & Yellow Carp

[Juerg Haefliger]

Mantic is still in development so we're rebasing and don't cherry-pick.

...Juerg


> BugLink: https://bugs.launchpad.net/bugs/2029384
> 
> [Impact]
> 
> Monitors black out when an external one connects via thunderbolt3 on AMD Ryzen
> 9 PRO 7940HS w/ Radeon 780M Graphics.
> 
> [Fix]
> 
> This can be fixed by upstream linux-firmware commit 253cc179d849 ("amdgpu:
> Update DMCUB for DCN314 & Yellow Carp").
> 
> However, in linux-firmware/lunar and jammy, the commit history related to the
> files to be updated often associated with many other more, they're now updated
> with overwrites without cherry-pick ancestor commits along the history.
> 
> For linux-firmware/mantic, a simple cherry-pick would do.
> 
> [Test Case]
> 
> Connect an tbt3 featured external monitor (ASUS PA27AC) after boot to GUI.
> Check if both the built-in and external monitors lights up as usual.
> 
> [Where problems could occur]
> 
> Update amdgpu firmware are error prone, verified on targeting series as
> possible.
> 
> [Other Info]
> 
> While this affects linux-oem-6.1/jammy, as well as linux/lunar kernels, Jammy
> and Lunar are nominated for fix.
> 
> ----------------------------------------------------------------
> The following changes since commit c6899ca0d4c7de1fa496ecfcf8907df1e45ce808:
> 
>   UBUNTU: Ubuntu-20230731.git07f05b0c-0ubuntu1 (2023-08-02 15:26:21 +0200)
> 
> are available in the Git repository at:
> 
>   https://git.launchpad.net/~vicamo/ubuntu/+source/linux-firmware bug-2029384/external-tbt3-monitor-black/mantic
> 
> for you to fetch changes up to f70a3804861886230aefc6e10e1421759a0c2b77:
> 
>   amdgpu: Update DMCUB for DCN314 & Yellow Carp (2023-08-03 01:35:35 +0800)
> 
> ----------------------------------------------------------------
> Aurabindo Pillai (1):
>       amdgpu: Update DMCUB for DCN314 & Yellow Carp
> 
>  amdgpu/dcn_3_1_4_dmcub.bin   | Bin 301344 -> 300448 bytes
>  amdgpu/yellow_carp_dmcub.bin | Bin 234000 -> 234512 bytes
>  2 files changed, 0 insertions(+), 0 deletions(-)
> 

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