Documentation/gpu/dp-mst/topology-figure-1.dot

   1 digraph T {
   2     /* Make sure our payloads are always drawn below the driver node */
   3     subgraph cluster_driver {
   4         fillcolor = grey;
   5         style = filled;
   6         driver -> {payload1, payload2} [dir=none];
   7     }
   8
   9     /* Driver malloc references */
  10     edge [style=dashed];
  11     driver -> port1;
  12     driver -> port2;
  13     driver -> port3:e;
  14     driver -> port4;
  15
  16     payload1:s -> port1:e;
  17     payload2:s -> port3:e;
  18     edge [style=""];
  19
  20     subgraph cluster_topology {
  21         label="Topology Manager";
  22         labelloc=bottom;
  23
  24         /* Topology references */
  25         mstb1 -> {port1, port2};
  26         port1 -> mstb2;
  27         port2 -> mstb3 -> {port3, port4};
  28         port3 -> mstb4;
  29
  30         /* Malloc references */
  31         edge [style=dashed;dir=back];
  32         mstb1 -> {port1, port2};
  33         port1 -> mstb2;
  34         port2 -> mstb3 -> {port3, port4};
  35         port3 -> mstb4;
  36     }
  37
  38     driver [label="DRM driver";style=filled;shape=box;fillcolor=lightblue];
  39
  40     payload1 [label="Payload #1";style=filled;shape=box;fillcolor=lightblue];
  41     payload2 [label="Payload #2";style=filled;shape=box;fillcolor=lightblue];
  42
  43     mstb1 [label="MSTB #1";style=filled;fillcolor=palegreen;shape=oval];
  44     mstb2 [label="MSTB #2";style=filled;fillcolor=palegreen;shape=oval];
  45     mstb3 [label="MSTB #3";style=filled;fillcolor=palegreen;shape=oval];
  46     mstb4 [label="MSTB #4";style=filled;fillcolor=palegreen;shape=oval];
  47
  48     port1 [label="Port #1";shape=oval];
  49     port2 [label="Port #2";shape=oval];
  50     port3 [label="Port #3";shape=oval];
  51     port4 [label="Port #4";shape=oval];
  52 }