On Mon, Jun 15, 2026 at 10:44 AM Jesse Zhang <[email protected]> wrote:
>
> Queue reset is not supported when running as an SR-IOV virtual
> function on gfx11 dGPUs. Guard HSA_CAP_PER_QUEUE_RESET_SUPPORTED
> with !amdgpu_sriov_vf() so the capability is not reported to user
> space under SR-IOV, matching the gfx9/gfx10 path.
>
> Fixes: afc0c16db999 ("drm/amdkfd: Add queue reset support on gfx11 dGPU")
>
> Signed-off-by: Amber Lin <[email protected]>
> Reviewed-by: Jesse Zhang <[email protected]>

Acked-by: Alex Deucher <[email protected]>

For a future patch we should probably look at doing something like we
do for kernel queues for KFD.  E.g.,
amdgpu_ring_is_reset_type_supported()
so we can clean up all of these IP version checks in common code.

Alex


> ---
>  drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c 
> b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
> index a9879cf8539e..6a90a3ece9ed 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
> @@ -2020,9 +2020,10 @@ static void kfd_topology_set_capabilities(struct 
> kfd_topology_device *dev)
>                 dev->node_props.debug_prop |= 
> HSA_DBG_WATCH_ADDR_MASK_LO_BIT_GFX10 |
>                                         HSA_DBG_WATCH_ADDR_MASK_HI_BIT;
>                 /* gfx11 dGPU */
> -               if (KFD_GC_VERSION(dev->gpu) == IP_VERSION(11, 0, 0) ||
> -                   KFD_GC_VERSION(dev->gpu) == IP_VERSION(11, 0, 2) ||
> -                   KFD_GC_VERSION(dev->gpu) == IP_VERSION(11, 0, 3))
> +               if ((KFD_GC_VERSION(dev->gpu) == IP_VERSION(11, 0, 0) ||
> +                    KFD_GC_VERSION(dev->gpu) == IP_VERSION(11, 0, 2) ||
> +                    KFD_GC_VERSION(dev->gpu) == IP_VERSION(11, 0, 3)) &&
> +                   !amdgpu_sriov_vf(dev->gpu->adev))
>                         dev->node_props.capability |= 
> HSA_CAP_PER_QUEUE_RESET_SUPPORTED;
>
>                 if (KFD_GC_VERSION(dev->gpu) >= IP_VERSION(12, 0, 0))
> --
> 2.49.0
>

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