xref: /OK3568_Linux_fs/kernel/Documentation/gpu/dp-mst/topology-figure-1.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        driver -> {payload1, payload2} [dir=none];
7*4882a593Smuzhiyun    }
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun    /* Driver malloc references */
10*4882a593Smuzhiyun    edge [style=dashed];
11*4882a593Smuzhiyun    driver -> port1;
12*4882a593Smuzhiyun    driver -> port2;
13*4882a593Smuzhiyun    driver -> port3:e;
14*4882a593Smuzhiyun    driver -> port4;
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun    payload1:s -> port1:e;
17*4882a593Smuzhiyun    payload2:s -> port3:e;
18*4882a593Smuzhiyun    edge [style=""];
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun    subgraph cluster_topology {
21*4882a593Smuzhiyun        label="Topology Manager";
22*4882a593Smuzhiyun        labelloc=bottom;
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun        /* Topology references */
25*4882a593Smuzhiyun        mstb1 -> {port1, port2};
26*4882a593Smuzhiyun        port1 -> mstb2;
27*4882a593Smuzhiyun        port2 -> mstb3 -> {port3, port4};
28*4882a593Smuzhiyun        port3 -> mstb4;
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun        /* Malloc references */
31*4882a593Smuzhiyun        edge [style=dashed;dir=back];
32*4882a593Smuzhiyun        mstb1 -> {port1, port2};
33*4882a593Smuzhiyun        port1 -> mstb2;
34*4882a593Smuzhiyun        port2 -> mstb3 -> {port3, port4};
35*4882a593Smuzhiyun        port3 -> mstb4;
36*4882a593Smuzhiyun    }
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun    driver [label="DRM driver";style=filled;shape=box;fillcolor=lightblue];
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun    payload1 [label="Payload #1";style=filled;shape=box;fillcolor=lightblue];
41*4882a593Smuzhiyun    payload2 [label="Payload #2";style=filled;shape=box;fillcolor=lightblue];
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun    mstb1 [label="MSTB #1";style=filled;fillcolor=palegreen;shape=oval];
44*4882a593Smuzhiyun    mstb2 [label="MSTB #2";style=filled;fillcolor=palegreen;shape=oval];
45*4882a593Smuzhiyun    mstb3 [label="MSTB #3";style=filled;fillcolor=palegreen;shape=oval];
46*4882a593Smuzhiyun    mstb4 [label="MSTB #4";style=filled;fillcolor=palegreen;shape=oval];
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun    port1 [label="Port #1";shape=oval];
49*4882a593Smuzhiyun    port2 [label="Port #2";shape=oval];
50*4882a593Smuzhiyun    port3 [label="Port #3";shape=oval];
51*4882a593Smuzhiyun    port4 [label="Port #4";shape=oval];
52*4882a593Smuzhiyun}
53