From ce29214ada6d08dbde1eeb5a69c3b09ddf3da146 Mon Sep 17 00:00:00 2001 From: Matthew Brost Date: Tue, 21 Oct 2025 17:55:36 -0700 Subject: [PATCH] drm/xe: Check return value of GGTT workqueue allocation Workqueue allocation can fail, so check the return value of the GGTT workqueue allocation and fail driver initialization if the allocation fails. Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs") Cc: stable@vger.kernel.org Signed-off-by: Matthew Brost Reviewed-by: Matthew Auld Link: https://lore.kernel.org/r/20251022005538.828980-2-matthew.brost@intel.com (cherry picked from commit 1f1314e8e71385bae319e43082b798c11f6648bc) Signed-off-by: Lucas De Marchi --- drivers/gpu/drm/xe/xe_ggtt.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_ggtt.c b/drivers/gpu/drm/xe/xe_ggtt.c index 7fdd0a97a628..5edc0cad47e2 100644 --- a/drivers/gpu/drm/xe/xe_ggtt.c +++ b/drivers/gpu/drm/xe/xe_ggtt.c @@ -292,6 +292,9 @@ int xe_ggtt_init_early(struct xe_ggtt *ggtt) ggtt->pt_ops = &xelp_pt_ops; 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)); err = drmm_add_action_or_reset(&xe->drm, ggtt_fini_early, ggtt); -- 2.47.3