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

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

Hi,

On 5/28/2025 6:33 PM, Lizhi Hou wrote:
> 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()?

Yep, I will send v2.