[PATCH] drm/xe: Failed getting VMA cause display stuck

Matthew Brost matthew.brost at intel.com
Mon Mar 18 04:43:12 UTC 2024


On Mon, Mar 18, 2024 at 12:12:44PM +0800, wangxiaoming321 wrote:
> The failure of binding VMA is duing to interrupt,
> So it needs to retry while return fail.
> 
> Signed-off-by: wangxiaoming321 <xiaoming.wang at intel.com>
> ---
>  drivers/gpu/drm/xe/xe_vm.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c
> index 99aa5ffb0ef1..d33476b631e1 100644
> --- a/drivers/gpu/drm/xe/xe_vm.c
> +++ b/drivers/gpu/drm/xe/xe_vm.c
> @@ -2621,6 +2621,9 @@ static int __xe_vma_op_execute(struct xe_vm *vm, struct xe_vma *vma,
>  	}
>  	drm_exec_fini(&exec);
>  
> +	if (err == -ERESTARTSYS)
> +		goto retry_userptr;

This doesn't look right. If the user presses ctrl-c we'd restart?

Matt

> +
>  	if (err == -EAGAIN) {
>  		lockdep_assert_held_write(&vm->lock);
>  
> -- 
> 2.25.1
> 


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