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path: root/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
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Diffstat (limited to 'drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c')
-rw-r--r--drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c32
1 files changed, 8 insertions, 24 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c b/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
index 084cbdeba8ea..6088df8e159c 100644
--- a/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
+++ b/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
@@ -138,6 +138,14 @@ void xe_gt_tlb_invalidation_reset(struct xe_gt *gt)
int pending_seqno;
/*
+ * we can get here before the CTs are even initialized if we're wedging
+ * very early, in which case there are not going to be any pending
+ * fences so we can bail immediately.
+ */
+ if (!xe_guc_ct_initialized(&gt->uc.guc.ct))
+ return;
+
+ /*
* CT channel is already disabled at this point. No new TLB requests can
* appear.
*/
@@ -441,30 +449,6 @@ void xe_gt_tlb_invalidation_vm(struct xe_gt *gt, struct xe_vm *vm)
}
/**
- * xe_gt_tlb_invalidation_vma - Issue a TLB invalidation on this GT for a VMA
- * @gt: GT structure
- * @fence: invalidation fence which will be signal on TLB invalidation
- * completion, can be NULL
- * @vma: VMA to invalidate
- *
- * Issue a range based TLB invalidation if supported, if not fallback to a full
- * TLB invalidation. Completion of TLB is asynchronous and caller can use
- * the invalidation fence to wait for completion.
- *
- * Return: Negative error code on error, 0 on success
- */
-int xe_gt_tlb_invalidation_vma(struct xe_gt *gt,
- struct xe_gt_tlb_invalidation_fence *fence,
- struct xe_vma *vma)
-{
- xe_gt_assert(gt, vma);
-
- return xe_gt_tlb_invalidation_range(gt, fence, xe_vma_start(vma),
- xe_vma_end(vma),
- xe_vma_vm(vma)->usm.asid);
-}
-
-/**
* xe_guc_tlb_invalidation_done_handler - TLB invalidation done handler
* @guc: guc
* @msg: message indicating TLB invalidation done