Re: [PATCH] accel/ivpu: Fix warning in ivpu_gem_bo_free()

[Lizhi Hou <lizhi.hou@amd.com>]

On 5/28/25 08:42, Jacek Lawrynowicz wrote:
> Don't WARN if imported buffers are in use in ivpu_gem_bo_free() as they
> can be indeed used in the original context/driver.
>
> Fixes: 647371a6609d ("accel/ivpu: Add GEM buffer object management")
> Cc: <stable@vger.kernel.org> # v6.3
> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
> ---
>   drivers/accel/ivpu/ivpu_gem.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/accel/ivpu/ivpu_gem.c b/drivers/accel/ivpu/ivpu_gem.c
> index 5908268ca45e9..0371a8b4a474f 100644
> --- a/drivers/accel/ivpu/ivpu_gem.c
> +++ b/drivers/accel/ivpu/ivpu_gem.c
> @@ -285,7 +285,8 @@ static void ivpu_gem_bo_free(struct drm_gem_object *obj)
>   	list_del(&bo->bo_list_node);
>   	mutex_unlock(&vdev->bo_list_lock);
>   
> -	drm_WARN_ON(&vdev->drm, !dma_resv_test_signaled(obj->resv, DMA_RESV_USAGE_READ));
> +	drm_WARN_ON(&vdev->drm, !bo->base.base.import_attach &&
> +		    !dma_resv_test_signaled(obj->resv, DMA_RESV_USAGE_READ));

Probably drm_gem_is_imported()?

Thanks,

Lizhi

>   	drm_WARN_ON(&vdev->drm, ivpu_bo_size(bo) == 0);
>   	drm_WARN_ON(&vdev->drm, bo->base.vaddr);
>