[PATCH v11 28/28] Revert "drm/amdgpu: don't allow userspace to create a doorbell BO"

[Christian König]

Am 09.09.24 um 22:06 schrieb Shashank Sharma:
> From: Arvind Yadav <Arvind.Yadav at amd.com>
>
> This reverts commit 6be2ad4f0073c541146caa66c5ae936c955a8224.

Signed-off-by line missing, apart from that Reviewed-by: Christian König 
<christian.koenig at amd.com>

> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 4 ----
>   1 file changed, 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> index 7823faa3dbaa..2e3c974a3340 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> @@ -365,10 +365,6 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data,
>   	uint32_t handle, initial_domain;
>   	int r;
>   
> -	/* reject DOORBELLs until userspace code to use it is available */
> -	if (args->in.domains & AMDGPU_GEM_DOMAIN_DOORBELL)
> -		return -EINVAL;
> -
>   	/* reject invalid gem flags */
>   	if (flags & ~(AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
>   		      AMDGPU_GEM_CREATE_NO_CPU_ACCESS |