Re: [PATCH v2] accel/ivpu: Fix warning in ivpu_gem_bo_free()

[Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>]

Applied to drm-misc-fixes

On 5/28/2025 7:12 PM, 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>
> ---
> v2: Use drm_gem_is_imported() to check if the buffer is imported.
> ---
>  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 c193a80241f5f..5ff0bac739fc9 100644
> --- a/drivers/accel/ivpu/ivpu_gem.c
> +++ b/drivers/accel/ivpu/ivpu_gem.c
> @@ -278,7 +278,8 @@ 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, !drm_gem_is_imported(&bo->base.base) &&
> +		    !dma_resv_test_signaled(obj->resv, DMA_RESV_USAGE_READ));
>  	drm_WARN_ON(&vdev->drm, ivpu_bo_size(bo) == 0);
>  	drm_WARN_ON(&vdev->drm, bo->base.vaddr);
>