Documentation/gpu/dp-mst/topology-figure-2.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 [color=red];
  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         edge [color=red];
  28         port2 -> mstb3 -> {port3, port4};
  29         port3 -> mstb4;
  30         edge [color=""];
  31
  32         /* Malloc references */
  33         edge [style=dashed;dir=back];
  34         mstb1 -> {port1, port2};
  35         port1 -> mstb2;
  36         port2 -> mstb3 -> port3;
  37         edge [color=red];
  38         mstb3 -> port4;
  39         port3 -> mstb4;
  40     }
  41
  42     mstb1 [label="MSTB #1";style=filled;fillcolor=palegreen];
  43     mstb2 [label="MSTB #2";style=filled;fillcolor=palegreen];
  44     mstb3 [label="MSTB #3";style=filled;fillcolor=palegreen];
  45     mstb4 [label="MSTB #4";style=filled;fillcolor=grey];
  46
  47     port1 [label="Port #1"];
  48     port2 [label="Port #2"];
  49     port3 [label="Port #3"];
  50     port4 [label="Port #4";style=filled;fillcolor=grey];
  51
  52     driver [label="DRM driver";style=filled;shape=box;fillcolor=lightblue];
  53
  54     payload1 [label="Payload #1";style=filled;shape=box;fillcolor=lightblue];
  55     payload2 [label="Payload #2";style=filled;shape=box;fillcolor=lightblue];
  56 }