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drm/xe/vm: Skip ufence association for CPU address mirror VMA during MAP

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The MAP operation for a CPU address mirror VMA does not require ufence
association because such mappings are not GPU-synchronized and do not
participate in GPU job completion signaling.

Remove the unnecessary ufence addition for this case to avoid -EBUSY
failure in check_ufence of unbind ops.

Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20251125075628.1182481-6-himal.prasad.ghimiray@intel.com
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
This commit is contained in:
Himal Prasad Ghimiray 2025-11-25 13:26:28 +05:30
parent dd62fe512d
commit 7f08cc5b3c
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/xe/xe_vm.c
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@ -3218,7 +3218,8 @@ static void op_add_ufence(struct xe_vm *vm, struct xe_vma_op *op,
{
switch (op->base.op) {
case DRM_GPUVA_OP_MAP:
vma_add_ufence(op->map.vma, ufence);
if (!xe_vma_is_cpu_addr_mirror(op->map.vma))
vma_add_ufence(op->map.vma, ufence);
break;
case DRM_GPUVA_OP_REMAP:
if (op->remap.prev)