2 * Copyright 2018 Advanced Micro Devices, Inc.
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25 #include "amdgpu_sdma.h"
28 * GPU SDMA IP block helpers function.
31 struct amdgpu_sdma_instance *amdgpu_sdma_get_instance_from_ring(struct amdgpu_ring *ring)
33 struct amdgpu_device *adev = ring->adev;
36 for (i = 0; i < adev->sdma.num_instances; i++)
37 if (ring == &adev->sdma.instance[i].ring ||
38 ring == &adev->sdma.instance[i].page)
39 return &adev->sdma.instance[i];
44 int amdgpu_sdma_get_index_from_ring(struct amdgpu_ring *ring, uint32_t *index)
46 struct amdgpu_device *adev = ring->adev;
49 for (i = 0; i < adev->sdma.num_instances; i++) {
50 if (ring == &adev->sdma.instance[i].ring ||
51 ring == &adev->sdma.instance[i].page) {