ACK: [SRU][R][PATCH 0/1] Fix GPU throttling limits on Strix Halo

[Jian Hui Lee]

Acked-by: Jian Hui Lee <jianhui.lee at canonical.com>

On Fri, Jun 26, 2026 at 5:14 PM Yo-Jung Leo Lin (AMD) via kernel-team
<kernel-team at lists.ubuntu.com> wrote:
>
> BugLink: https://bugs.launchpad.net/bugs/2156858
>
> [ Impact ]
>
> We found that setting power_dpm_force_performance_level to high and running heavy workload on Strix Halo platforms somehow makes it reboot. This is due to the throttling limits in amdgpu don't aligned with the power management firmware properly.
>
> [ Fix ]
>
> Cherry-pick the following commit:
>
> - 03b70e0d8aa26bab (drm/amd/pm: smu_v14_0_0: use SoftMin for gfxclk in set_soft_freq_limited_range)
>
> which has been accepted since mainline v7.1
>
> [ Test ]
>
> 1. Boot the kernel
> 2. Run the same compute workload on a Strix Halo system, and it shouldn't reboot.
>
> [ Where problems could occur ]
>
> If the driver throttles to aggressively this may impact performance, but this is safer than letting Strix Halo burn.
>
> [ Additional Information ]
>
> https://github.com/torvalds/linux/commit/03b70e0d8aa26bab89a0f1394c1c80a871925e42
>
> Priya Hosur (1):
>   drm/amd/pm: smu_v14_0_0: use SoftMin for gfxclk in
>     set_soft_freq_limited_range
>
>  drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> --
> 2.43.0
>
>
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