RE: [PATCH 2/2] drm/amdkfd: Make KFD support on Hawaii experimental

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[AMD Official Use Only]

Reviewed-by: Kent Russell <kent.russell@xxxxxxx>



> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Felix Kuehling
> Sent: Wednesday, December 8, 2021 3:26 AM
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Subject: [PATCH 2/2] drm/amdkfd: Make KFD support on Hawaii experimental
>
> Hawaii support is mostly untested these days. ROCm user mode also
> depends on custom firmware for AQL packet processing, that was never
> pushed upstream due to quality regressions in graphics driver testing.
>
> Signed-off-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>
> ---
>  drivers/gpu/drm/amd/amdkfd/kfd_device.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
> b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
> index 267668b96456..facc28f58c1f 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
> @@ -147,7 +147,11 @@ struct kfd_dev *kgd2kfd_probe(struct amdgpu_device *adev, bool
> vf)
>  #ifdef CONFIG_DRM_AMDGPU_CIK
>       case CHIP_HAWAII:
>               gfx_target_version = 70001;
> -             if (!vf)
> +             if (!amdgpu_exp_hw_support)
> +                     pr_info(
> +     "KFD support on Hawaii is experimental. See modparam exp_hw_support\n"
> +                             );
> +             else if (!vf)
>                       f2g = &gfx_v7_kfd2kgd;
>               break;
>  #endif
> --
> 2.32.0





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