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