From 4e83a8d58e1c721a89b3ffe15f549007080272e2 Mon Sep 17 00:00:00 2001 From: Raag Jadav Date: Thu, 12 Feb 2026 11:26:22 +0530 Subject: [PATCH] drm/xe/bo: Redirect faults to dummy page for wedged device 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 Reviewed-by: Matthew Brost Link: https://patch.msgid.link/20260212055622.2054991-1-raag.jadav@intel.com Signed-off-by: Matt Roper (cherry picked from commit c020fff70d757612933711dd3cc3751d7d782d3c) Signed-off-by: Rodrigo Vivi --- 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 e9180b01a4e4..5dd8fcacbb80 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); -- 2.30.2