35 			    struct amdgpu_semaphore **semaphore)  in amdgpu_semaphore_create()  argument
39 	*semaphore = kmalloc(sizeof(struct amdgpu_semaphore), GFP_KERNEL);  in amdgpu_semaphore_create()
40 	if (*semaphore == NULL) {  in amdgpu_semaphore_create()
44 			     &(*semaphore)->sa_bo, 8, 8);  in amdgpu_semaphore_create()
46 		kfree(*semaphore);  in amdgpu_semaphore_create()
47 		*semaphore = NULL;  in amdgpu_semaphore_create()
50 	(*semaphore)->waiters = 0;  in amdgpu_semaphore_create()
51 	(*semaphore)->gpu_addr = amdgpu_sa_bo_gpu_addr((*semaphore)->sa_bo);  in amdgpu_semaphore_create()
53 	*((uint64_t *)amdgpu_sa_bo_cpu_addr((*semaphore)->sa_bo)) = 0;  in amdgpu_semaphore_create()
59 				  struct amdgpu_semaphore *semaphore)  in amdgpu_semaphore_emit_signal()  argument
61 	trace_amdgpu_semaphore_signale(ring->idx, semaphore);  in amdgpu_semaphore_emit_signal()
63 	if (amdgpu_ring_emit_semaphore(ring, semaphore, false)) {  in amdgpu_semaphore_emit_signal()
64 		--semaphore->waiters;  in amdgpu_semaphore_emit_signal()
67 		ring->last_semaphore_signal_addr = semaphore->gpu_addr;  in amdgpu_semaphore_emit_signal()
74 				struct amdgpu_semaphore *semaphore)  in amdgpu_semaphore_emit_wait()  argument
76 	trace_amdgpu_semaphore_wait(ring->idx, semaphore);  in amdgpu_semaphore_emit_wait()
78 	if (amdgpu_ring_emit_semaphore(ring, semaphore, true)) {  in amdgpu_semaphore_emit_wait()
79 		++semaphore->waiters;  in amdgpu_semaphore_emit_wait()
82 		ring->last_semaphore_wait_addr = semaphore->gpu_addr;  in amdgpu_semaphore_emit_wait()
89 			   struct amdgpu_semaphore **semaphore,  in amdgpu_semaphore_free()  argument
92 	if (semaphore == NULL || *semaphore == NULL) {  in amdgpu_semaphore_free()
95 	if ((*semaphore)->waiters > 0) {  in amdgpu_semaphore_free()
97 			" hardware lockup imminent!\n", *semaphore);  in amdgpu_semaphore_free()
99 	amdgpu_sa_bo_free(adev, &(*semaphore)->sa_bo, fence);  in amdgpu_semaphore_free()
100 	kfree(*semaphore);  in amdgpu_semaphore_free()
101 	*semaphore = NULL;  in amdgpu_semaphore_free()