Module Name: src
Committed By: nat
Date: Thu Sep 16 02:53:28 UTC 2021
Modified Files:
src/share/man/man4/man4.evbarm: vchiq.4
Log Message:
Describe how to obtain debugging information from vchiq(4).
Ok nia@
To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/share/man/man4/man4.evbarm/vchiq.4
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/share/man/man4/man4.evbarm/vchiq.4
diff -u src/share/man/man4/man4.evbarm/vchiq.4:1.1 src/share/man/man4/man4.evbarm/vchiq.4:1.2
--- src/share/man/man4/man4.evbarm/vchiq.4:1.1 Fri Feb 26 10:33:46 2021
+++ src/share/man/man4/man4.evbarm/vchiq.4 Thu Sep 16 02:53:28 2021
@@ -1,4 +1,4 @@
-.\" $NetBSD: vchiq.4,v 1.1 2021/02/26 10:33:46 nia Exp $
+.\" $NetBSD: vchiq.4,v 1.2 2021/09/16 02:53:28 nat Exp $
.\"
.\" Copyright (c) 2021 The NetBSD Foundation, Inc.
.\" All rights reserved.
@@ -46,7 +46,16 @@ interface exposed to userland.
Audio output support is provided by the kernel through
.Xr vcaudio 4 ,
which uses this messaging interface to the GPU internally.
+.Pp
+Debugging information may be obtained reading the device with
+.Xr cat 1 .
+eg:
+.Dl cat /dev/vchiq
+.Pp
+Information such as slots and usage by particular functions of the VideoCore 4
+device are displayed.
.Sh SEE ALSO
+.Xr cat 1 ,
.Xr bcmgpio 4 ,
.Xr vcaudio 4 ,
.Pa pkgsrc/misc/raspberrypi-userland ,
