ACK: Re: [SRU][N][PATCH 0/1] Fix the failure of amdgpu initialization on v6.8

[Chris Chiu]

On Tue, Jul 9, 2024 at 8:16 PM Aaron Ma <aaron.ma at canonical.com> wrote:
>
> BugLink: https://bugs.launchpad.net/bugs/2072428
>
> [Impact]
> AMD GPUs like RX580 and RX5500 failed to be initialized after
> commit: 466a7d115326 ("drm/amd: Use the first non-dGPU PCI device for BW limits")
> The screen stays blank.
>
> [Fix]
> Set the current speed/width on devices.
> Upstream fix:
> ba46b3bda296 ("drm/amdgpu: Adjust logic in amdgpu_device_partner_bandwidth()")
>
> [Test]
> Bug reporter tested on hardware, amdgpu works fine.
> Also verified on AMD iGPU of laptop by myself. glmark2 works fine.
>
> [Where problems could occur]
> It may break amdgpu.
>
> Alex Deucher (1):
>   drm/amdgpu: Adjust logic in amdgpu_device_partner_bandwidth()
>
>  drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 19 ++++++++++++-------
>  1 file changed, 12 insertions(+), 7 deletions(-)
>
> --
> 2.43.0
>
>
> --
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Acked-by: Chris Chiu <chris.chiu at canonical.com>