[src/trunk]: src/share/man/man4/man4.evbarm Describe how to obtain debugging ...

[nat <nat%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/ced6b0e231d3
branches:  trunk
changeset: 986260:ced6b0e231d3
user:      nat <nat%NetBSD.org@localhost>
date:      Thu Sep 16 02:53:28 2021 +0000

description:
Describe how to obtain debugging information from vchiq(4).

Ok nia@

diffstat:

 share/man/man4/man4.evbarm/vchiq.4 |  11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)

diffs (26 lines):

diff -r f537d39d17c2 -r ced6b0e231d3 share/man/man4/man4.evbarm/vchiq.4
--- a/share/man/man4/man4.evbarm/vchiq.4        Wed Sep 15 20:21:47 2021 +0000
+++ b/share/man/man4/man4.evbarm/vchiq.4        Thu Sep 16 02:53:28 2021 +0000
@@ -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 @@
 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 ,