Re: [PATCH v2 3/3] drm/amdgpu: Do not set power brake sequence for Aldebaran SRIOV

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Series is:
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>

On Tue, Mar 4, 2025 at 11:20 AM Victor Lu <victorchengchi.lu@xxxxxxx> wrote:
>
> Aldebaran SRIOV VF cannot access the power brake feature regs.
> The accesses can be skipped to avoid a dmesg warning.
>
> v2: Remove redundant asic type check
>
> Signed-off-by: Victor Lu <victorchengchi.lu@xxxxxxx>
> ---
>  drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
> index 1f0f03108a82..d345285ea885 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
> @@ -4045,7 +4045,8 @@ static int gfx_v9_0_hw_init(struct amdgpu_ip_block *ip_block)
>         if (r)
>                 return r;
>
> -       if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 2))
> +       if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 2) &&
> +           !amdgpu_sriov_vf(adev))
>                 gfx_v9_4_2_set_power_brake_sequence(adev);
>
>         return r;
> --
> 2.34.1
>




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