xref: /OK3568_Linux_fs/kernel/Documentation/gpu/dp-mst/topology-figure-3.dot (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyundigraph T {
2*4882a593Smuzhiyun    /* Make sure our payloads are always drawn below the driver node */
3*4882a593Smuzhiyun    subgraph cluster_driver {
4*4882a593Smuzhiyun        fillcolor = grey;
5*4882a593Smuzhiyun        style = filled;
6*4882a593Smuzhiyun        edge [dir=none];
7*4882a593Smuzhiyun        driver -> payload1;
8*4882a593Smuzhiyun        driver -> payload2 [penwidth=3];
9*4882a593Smuzhiyun        edge [dir=""];
10*4882a593Smuzhiyun    }
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun    /* Driver malloc references */
13*4882a593Smuzhiyun    edge [style=dashed];
14*4882a593Smuzhiyun    driver -> port1;
15*4882a593Smuzhiyun    driver -> port2;
16*4882a593Smuzhiyun    driver -> port3:e;
17*4882a593Smuzhiyun    driver -> port4 [color=grey];
18*4882a593Smuzhiyun    payload1:s -> port1:e;
19*4882a593Smuzhiyun    payload2:s -> port3:e [penwidth=3];
20*4882a593Smuzhiyun    edge [style=""];
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun    subgraph cluster_topology {
23*4882a593Smuzhiyun        label="Topology Manager";
24*4882a593Smuzhiyun        labelloc=bottom;
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun        /* Topology references */
27*4882a593Smuzhiyun        mstb1 -> {port1, port2};
28*4882a593Smuzhiyun        port1 -> mstb2;
29*4882a593Smuzhiyun        edge [color=grey];
30*4882a593Smuzhiyun        port2 -> mstb3 -> {port3, port4};
31*4882a593Smuzhiyun        port3 -> mstb4;
32*4882a593Smuzhiyun        edge [color=""];
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun        /* Malloc references */
35*4882a593Smuzhiyun        edge [style=dashed;dir=back];
36*4882a593Smuzhiyun        mstb1 -> {port1, port2};
37*4882a593Smuzhiyun        port1 -> mstb2;
38*4882a593Smuzhiyun        port2 -> mstb3 [penwidth=3];
39*4882a593Smuzhiyun        mstb3 -> port3 [penwidth=3];
40*4882a593Smuzhiyun        edge [color=grey];
41*4882a593Smuzhiyun        mstb3 -> port4;
42*4882a593Smuzhiyun        port3 -> mstb4;
43*4882a593Smuzhiyun    }
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun    mstb1 [label="MSTB #1";style=filled;fillcolor=palegreen];
46*4882a593Smuzhiyun    mstb2 [label="MSTB #2";style=filled;fillcolor=palegreen];
47*4882a593Smuzhiyun    mstb3 [label="MSTB #3";style=filled;fillcolor=palegreen;penwidth=3];
48*4882a593Smuzhiyun    mstb4 [label="MSTB #4";style=filled;fillcolor=grey];
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun    port1 [label="Port #1"];
51*4882a593Smuzhiyun    port2 [label="Port #2";penwidth=5];
52*4882a593Smuzhiyun    port3 [label="Port #3";penwidth=3];
53*4882a593Smuzhiyun    port4 [label="Port #4";style=filled;fillcolor=grey];
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun    driver [label="DRM driver";style=filled;shape=box;fillcolor=lightblue];
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun    payload1 [label="Payload #1";style=filled;shape=box;fillcolor=lightblue];
58*4882a593Smuzhiyun    payload2 [label="Payload #2";style=filled;shape=box;fillcolor=lightblue;penwidth=3];
59*4882a593Smuzhiyun}
60