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drm/xe: Check return value of GGTT workqueue allocation

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Workqueue allocation can fail, so check the return value of the GGTT
workqueue allocation and fail driver initialization if the allocation
fails.

Fixes: dd08ebf6c3 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Cc: stable@vger.kernel.org
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://lore.kernel.org/r/20251022005538.828980-2-matthew.brost@intel.com
(cherry picked from commit 1f1314e8e71385bae319e43082b798c11f6648bc)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
This commit is contained in:
Matthew Brost
2025-10-21 17:55:36 -07:00
committed by Lucas De Marchi
parent ce831bffce
commit ce29214ada
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/xe/xe_ggtt.c
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@@ -292,6 +292,9 @@ int xe_ggtt_init_early(struct xe_ggtt *ggtt)
ggtt->pt_ops = &xelp_pt_ops; ggtt->pt_ops = &xelp_pt_ops;
ggtt->wq = alloc_workqueue("xe-ggtt-wq", 0, WQ_MEM_RECLAIM); ggtt->wq = alloc_workqueue("xe-ggtt-wq", 0, WQ_MEM_RECLAIM);
if (!ggtt->wq)
return -ENOMEM;
__xe_ggtt_init_early(ggtt, xe_wopcm_size(xe)); __xe_ggtt_init_early(ggtt, xe_wopcm_size(xe));
err = drmm_add_action_or_reset(&xe->drm, ggtt_fini_early, ggtt); err = drmm_add_action_or_reset(&xe->drm, ggtt_fini_early, ggtt);