From a9ed3aa9b87ee41e8ab3ff471b1331c154767e45 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Sat, 26 Sep 2026 07:57:59 +1000 Subject: Merge tag 'drm-misc-fixes-2026-09-24' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes A number of fixes: - bridge: - samsung-dsim: fix GPIO lifetime - client: Null pointer dereference fix - imagination: error handling fix, page handling fix - nouveau: fix reference leaks, double-frees, out-of-bounds accesses, use-after-frees, don't reject config without SCDC, a number of workarounds - virtio: fix memory leak, reference leaks, null pointer dereference, add pixel blend mode, cache coherency fix Signed-off-by: Dave Airlie From: Maxime Ripard Link: https://patch.msgid.link/arU22zzqUGDEco1y@houat --- Documentation/gpu/dp-mst/topology-figure-1.dot | 52 +++++++++++++++++++++++ Documentation/gpu/dp-mst/topology-figure-2.dot | 56 ++++++++++++++++++++++++ Documentation/gpu/dp-mst/topology-figure-3.dot | 59 ++++++++++++++++++++++++++ 3 files changed, 167 insertions(+) create mode 100644 Documentation/gpu/dp-mst/topology-figure-1.dot create mode 100644 Documentation/gpu/dp-mst/topology-figure-2.dot create mode 100644 Documentation/gpu/dp-mst/topology-figure-3.dot (limited to 'Documentation/gpu/dp-mst') diff --git a/Documentation/gpu/dp-mst/topology-figure-1.dot b/Documentation/gpu/dp-mst/topology-figure-1.dot new file mode 100644 index 000000000..157e17c7e --- /dev/null +++ b/Documentation/gpu/dp-mst/topology-figure-1.dot @@ -0,0 +1,52 @@ +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; + + 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; + port2 -> mstb3 -> {port3, port4}; + port3 -> mstb4; + + /* Malloc references */ + edge [style=dashed;dir=back]; + mstb1 -> {port1, port2}; + port1 -> mstb2; + port2 -> mstb3 -> {port3, port4}; + port3 -> mstb4; + } + + 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]; + + mstb1 [label="MSTB #1";style=filled;fillcolor=palegreen;shape=oval]; + mstb2 [label="MSTB #2";style=filled;fillcolor=palegreen;shape=oval]; + mstb3 [label="MSTB #3";style=filled;fillcolor=palegreen;shape=oval]; + mstb4 [label="MSTB #4";style=filled;fillcolor=palegreen;shape=oval]; + + port1 [label="Port #1";shape=oval]; + port2 [label="Port #2";shape=oval]; + port3 [label="Port #3";shape=oval]; + port4 [label="Port #4";shape=oval]; +} diff --git a/Documentation/gpu/dp-mst/topology-figure-2.dot b/Documentation/gpu/dp-mst/topology-figure-2.dot new file mode 100644 index 000000000..4243dd173 --- /dev/null +++ b/Documentation/gpu/dp-mst/topology-figure-2.dot @@ -0,0 +1,56 @@ +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]; +} diff --git a/Documentation/gpu/dp-mst/topology-figure-3.dot b/Documentation/gpu/dp-mst/topology-figure-3.dot new file mode 100644 index 000000000..6cd78d067 --- /dev/null +++ b/Documentation/gpu/dp-mst/topology-figure-3.dot @@ -0,0 +1,59 @@ +digraph T { + /* Make sure our payloads are always drawn below the driver node */ + subgraph cluster_driver { + fillcolor = grey; + style = filled; + edge [dir=none]; + driver -> payload1; + driver -> payload2 [penwidth=3]; + edge [dir=""]; + } + + /* Driver malloc references */ + edge [style=dashed]; + driver -> port1; + driver -> port2; + driver -> port3:e; + driver -> port4 [color=grey]; + payload1:s -> port1:e; + payload2:s -> port3:e [penwidth=3]; + edge [style=""]; + + subgraph cluster_topology { + label="Topology Manager"; + labelloc=bottom; + + /* Topology references */ + mstb1 -> {port1, port2}; + port1 -> mstb2; + edge [color=grey]; + port2 -> mstb3 -> {port3, port4}; + port3 -> mstb4; + edge [color=""]; + + /* Malloc references */ + edge [style=dashed;dir=back]; + mstb1 -> {port1, port2}; + port1 -> mstb2; + port2 -> mstb3 [penwidth=3]; + mstb3 -> port3 [penwidth=3]; + edge [color=grey]; + 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;penwidth=3]; + mstb4 [label="MSTB #4";style=filled;fillcolor=grey]; + + port1 [label="Port #1"]; + port2 [label="Port #2";penwidth=5]; + port3 [label="Port #3";penwidth=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;penwidth=3]; +} -- cgit v1.3.1