gfx_v7_0_get_csb_size
r = amdgpu_ring_alloc(ring, gfx_v7_0_get_csb_size(adev) + 8);
adev->gfx.rlc.clear_state_size = dws = gfx_v7_0_get_csb_size(adev);
static u32 gfx_v7_0_get_csb_size(struct amdgpu_device *adev);