gfx_v7_0_get_csb_size
r = amdgpu_ring_alloc(ring, gfx_v7_0_get_csb_size(adev) + 8);
.get_csb_size = gfx_v7_0_get_csb_size,
static u32 gfx_v7_0_get_csb_size(struct amdgpu_device *adev);