Juan Francisco Cantero Hurtado <[email protected]> added the comment:
I've modified the patch for correct the format and add the reference to devfsctl
(the last one thanks to swildner@).
----------
keyword: +doc
status: unread -> chatting
title: [PATCH 2/2] Note about the use of secondary cards with DRI -> [PATCH]
Note about the use of secondary cards with DRI
_____________________________________________________
DragonFly issue tracker <[email protected]>
<http://bugs.dragonflybsd.org/issue2178>
_____________________________________________________
From 9c7dfd3c2886624e4ed3ad97521b623b4663ba5e Mon Sep 17 00:00:00 2001
From: Juan Francisco Cantero Hurtado <[email protected]>
Date: Tue, 8 Nov 2011 02:53:01 +0100
Subject: [PATCH] Note about the use of secondary cards with DRI
---
share/man/man4/drm.4 | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/share/man/man4/drm.4 b/share/man/man4/drm.4
index 10ba2d6..69bd5dd 100644
--- a/share/man/man4/drm.4
+++ b/share/man/man4/drm.4
@@ -23,7 +23,7 @@
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd June 23, 2009
+.Dd November 8, 2011
.Dt DRM 4
.Os
.Sh NAME
@@ -102,6 +102,12 @@ EndSection
.Ed
.El
.Pp
+If you have two graphic cards (i.e.: a on-board graphics and other AGP/PCI/PCIe
+card) and you would like use the secondary device with DRI, you will need
+create a link from /dev/dri/card1 to /dev/dri/card0 with
+.Xr devfsctl 8 .
+This is a old bug of Xorg, the DRI module only reads the first device.
+.Pp
Debugging output can be enabled and disabled by setting the
.Xr sysctl 8
node
--
1.7.7.1
