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Submit #2178 » man_drm.patch

juanfra684, 11/08/2011 02:07 AM

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share/man/man4/drm.4
.\" (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
......
.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
(1-1/2)