Re: [PATCH 2/2] drm/amdkfd: Disable gfxoff for CU occupancy

Series is:
Reviewed-by: Alex Deucher <[email protected]>

On Fri, Aug 21, 2026 at 10:26 AM David Belanger <[email protected]> wrote:
>
> Disable gfxoff while collecting CU occupancy data.
>
> Reported-by: Alex Deucher <[email protected]>
> Signed-off-by: David Belanger <[email protected]>
> ---
>  drivers/gpu/drm/amd/amdkfd/kfd_process.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
> index 0a7c1900da959..4316cb73b4115 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
> @@ -318,8 +318,10 @@ static int kfd_get_cu_occupancy(struct attribute *attr, char *buffer)
>          * XCCs in the partition.
>          * For PM4 queues, there is no cooperative dispatch so wave_cnt stay as it is.
>          */
> +       amdgpu_gfx_off_ctrl(dev->adev, false);
>         dev->kfd2kgd->get_cu_occupancy(dev->adev, cu_occupancy,
>                         &max_waves_per_cu, ffs(dev->xcc_mask) - 1);
> +       amdgpu_gfx_off_ctrl(dev->adev, true);
>
>         for (i = 0; i < AMDGPU_MAX_QUEUES; i++) {
>                 if (cu_occupancy[i].wave_cnt != 0 &&
> --
> 2.51.1
>