Re: [PATCH v2] drm/xe/bo: Redirect faults to dummy page for wedged device

[Matthew Brost <matthew.brost@intel.com>]

On Thu, Feb 12, 2026 at 11:26:22AM +0530, Raag Jadav wrote:
> As per uapi documentation[1], the prerequisite for wedged device is to
> redirected page faults to a dummy page. Follow it.
> 
> [1] Documentation/gpu/drm-uapi.rst
> 
> v2: Add uapi reference and fixes tag (Matthew Brost)
> 
> Fixes: 7bc00751f877 ("drm/xe: Use device wedged event")
> Signed-off-by: Raag Jadav <raag.jadav@intel.com>

Reviewed-by: Matthew Brost <matthew.brost@intel.com>

> ---
>  drivers/gpu/drm/xe/xe_bo.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c
> index cb8a177ec02b..d6c2cb959cdd 100644
> --- a/drivers/gpu/drm/xe/xe_bo.c
> +++ b/drivers/gpu/drm/xe/xe_bo.c
> @@ -1941,7 +1941,7 @@ static vm_fault_t xe_bo_cpu_fault(struct vm_fault *vmf)
>  	int err = 0;
>  	int idx;
>  
> -	if (!drm_dev_enter(&xe->drm, &idx))
> +	if (xe_device_wedged(xe) || !drm_dev_enter(&xe->drm, &idx))
>  		return ttm_bo_vm_dummy_page(vmf, vmf->vma->vm_page_prot);
>  
>  	ret = xe_bo_cpu_fault_fastpath(vmf, xe, bo, needs_rpm);
> -- 
> 2.43.0
>