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cubelinux-kernel/Documentation/gpu/dp-mst/topology-figure-2.dot
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

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digraph T {
/* Make sure our payloads are always drawn below the driver node */
subgraph cluster_driver {
fillcolor = grey;
style = filled;
driver -> {payload1, payload2} [dir=none];
}
/* Driver malloc references */
edge [style=dashed];
driver -> port1;
driver -> port2;
driver -> port3:e;
driver -> port4 [color=red];
payload1:s -> port1:e;
payload2:s -> port3:e;
edge [style=""];
subgraph cluster_topology {
label="Topology Manager";
labelloc=bottom;
/* Topology references */
mstb1 -> {port1, port2};
port1 -> mstb2;
edge [color=red];
port2 -> mstb3 -> {port3, port4};
port3 -> mstb4;
edge [color=""];
/* Malloc references */
edge [style=dashed;dir=back];
mstb1 -> {port1, port2};
port1 -> mstb2;
port2 -> mstb3 -> port3;
edge [color=red];
mstb3 -> port4;
port3 -> mstb4;
}
mstb1 [label="MSTB #1";style=filled;fillcolor=palegreen];
mstb2 [label="MSTB #2";style=filled;fillcolor=palegreen];
mstb3 [label="MSTB #3";style=filled;fillcolor=palegreen];
mstb4 [label="MSTB #4";style=filled;fillcolor=grey];
port1 [label="Port #1"];
port2 [label="Port #2"];
port3 [label="Port #3"];
port4 [label="Port #4";style=filled;fillcolor=grey];
driver [label="DRM driver";style=filled;shape=box;fillcolor=lightblue];
payload1 [label="Payload #1";style=filled;shape=box;fillcolor=lightblue];
payload2 [label="Payload #2";style=filled;shape=box;fillcolor=lightblue];
}