gfx_v8_0_get_csb_size
adev->gfx.rlc.clear_state_size = dws = gfx_v8_0_get_csb_size(adev);
r = amdgpu_ring_alloc(ring, gfx_v8_0_get_csb_size(adev) + 4);
static u32 gfx_v8_0_get_csb_size(struct amdgpu_device *adev);