[PATCH] drm/amdgpu: allocate shared fence slot in VA IOCTL

zhoucm1@xxxxxxx (zhoucm1) · Tue, 12 Jun 2018 10:25:14 +0800



On 2018å¹´06æ??11æ?¥ 21:23, Christian KÃ¶nig wrote:
> Per VM BOs share the reservation object with the PD and so need to
> reserve a shared fence slot for the update.
>
> Signed-off-by: Christian KÃ¶nig <christian.koenig at amd.com>
Reviewed-by: Chunming Zhou <david1.zhou at amd.com>

> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> index 5fb156a01774..7f27cdb7afe2 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> @@ -612,7 +612,7 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
>   			return -ENOENT;
>   		abo = gem_to_amdgpu_bo(gobj);
>   		tv.bo = &abo->tbo;
> -		tv.shared = false;
> +		tv.shared = !!(abo->flags & AMDGPU_GEM_CREATE_VM_ALWAYS_VALID);
>   		list_add(&tv.head, &list);
>   	} else {
>   		gobj = NULL;