drm/amdgpu: move IB and frame size directly into the engine description

I should have suggested that on the initial patchset. This saves us a
few CPU cycles during CS and a bunch of loc.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index 3c9a6da..16308eb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -152,8 +152,8 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
 		return -EINVAL;
 	}
 
-	alloc_size = amdgpu_ring_get_dma_frame_size(ring) +
-		num_ibs * amdgpu_ring_get_emit_ib_size(ring);
+	alloc_size = ring->funcs->emit_frame_size + num_ibs *
+		ring->funcs->emit_ib_size;
 
 	r = amdgpu_ring_alloc(ring, alloc_size);
 	if (r) {