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drm/xe/bo: Redirect faults to dummy page for wedged device

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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: 7bc00751f8 ("drm/xe: Use device wedged event")
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20260212055622.2054991-1-raag.jadav@intel.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
(cherry picked from commit c020fff70d757612933711dd3cc3751d7d782d3c)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Raag Jadav
2026-02-12 11:26:22 +05:30
committed by Rodrigo Vivi
parent 1acec6ef05
commit 4e83a8d58e
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/xe/xe_bo.c
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@@ -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);