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drm/xe: Take a ref to xe file when user creates a VM

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Take a reference to xef when user creates the VM and put the reference
when user destroys the VM.

Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240718210548.3580382-4-umesh.nerlige.ramappa@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
This commit is contained in:
Umesh Nerlige Ramappa 2024-07-18 14:05:47 -07:00 committed by Lucas De Marchi
parent ce8c161cba
commit a2387e6949
1 changed files with 5 additions and 1 deletions
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6
drivers/gpu/drm/xe/xe_vm.c
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@ -1670,6 +1670,10 @@ static void vm_destroy_work_func(struct work_struct *w)
XE_WARN_ON(vm->pt_root[id]);
trace_xe_vm_free(vm);
if (vm->xef)
xe_file_put(vm->xef);
kfree(vm);
}
@ -1802,7 +1806,7 @@ int xe_vm_create_ioctl(struct drm_device *dev, void *data,
}
args->vm_id = id;
vm->xef = xef;
vm->xef = xe_file_get(xef);
/* Record BO memory for VM pagetable created against client */
for_each_tile(tile, xe, id)