pvr_vm_context_lookup
ctx->vm_ctx = pvr_vm_context_lookup(pvr_file, args->vm_context_handle);
vm_ctx = pvr_vm_context_lookup(pvr_file, args->vm_context_handle);
vm_ctx = pvr_vm_context_lookup(pvr_file, args->vm_context_handle);
vm_ctx = pvr_vm_context_lookup(pvr_file, args->vm_context_handle);
struct pvr_vm_context *pvr_vm_context_lookup(struct pvr_file *pvr_file, u32 handle);