Re: [PATCH 1/2] drm/amdgpu/gfx11: adjust KGQ reset sequence

["Timur Kristóf" <timur.kristof@gmail.com>]

On Thursday, January 29, 2026 5:39:35 AM Central European Standard Time Alex 
Deucher wrote:
> Kernel gfx queues do not need to be reinitialized or
> remapped after a reset.  This fixes queue reset failures
> on APUs.
> 
> Fixes: b3e9bfd86658 ("drm/amdgpu/gfx11: add ring reset callbacks")
> Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4789
> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

The series is:
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
(including with Jesse's suggestion if you choose to implement that).

I notice that gfx_v10_0_reset_kgq() also calls gfx_v10_0_kgq_init_queue(), 
should that call be removed as well or made conditional?

> ---
>  drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 12 ------------
>  1 file changed, 12 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
> b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c index b5a2d09fc3469..489edf517f91c
> 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
> @@ -6854,18 +6854,6 @@ static int gfx_v11_0_reset_kgq(struct amdgpu_ring
> *ring, return r;
>  	}
> 
> -	r = gfx_v11_0_kgq_init_queue(ring, true);
> -	if (r) {
> -		dev_err(adev->dev, "failed to init kgq\n");
> -		return r;
> -	}
> -
> -	r = amdgpu_mes_map_legacy_queue(adev, ring, 0);
> -	if (r) {
> -		dev_err(adev->dev, "failed to remap kgq\n");
> -		return r;
> -	}
> -
>  	return amdgpu_ring_reset_helper_end(ring, timedout_fence);
>  }