Disable acceleration by default; set device flags to a nonzero value to

enable.

1 files changed, 23 insertions, 4 deletions

diff --git a/share/man/man4/man4.sparc/pninek.4 b/share/man/man4/man4.sparc/pninek.4
index 3aa3a2bbf24..b7c8e6f6a2e 100644
--- a/share/man/man4/man4.sparc/pninek.4
+++ b/share/man/man4/man4.sparc/pninek.4
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: pninek.4,v 1.4 2004/09/30 19:59:27 mickey Exp $
+.\"	$OpenBSD: pninek.4,v 1.5 2007/02/25 18:14:46 miod Exp $
 .\"
 .\" Copyright (c) 2003, Miodrag Vallat.
 .\" Copyright (c) 1999 Jason L. Wright (jason@thought.net)
@@ -25,7 +25,7 @@
 .\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd June 16, 2003
+.Dd February 25, 2007
 .Dt PNINEK 4 sparc
 .Os
 .Sh NAME
@@ -33,7 +33,7 @@
 .Nd Weitek Power9000 accelerated frame buffer
 .Sh SYNOPSIS
 .Cd "btcham0 at obio?"
-.Cd "pninek0 at sbus?"
+.Cd "pninek0 at sbus? flags 0x0"
 .Cd "wsdisplay* at pninek?"
 .Sh DESCRIPTION
 The
@@ -78,6 +78,22 @@ device is also configured, the
 .Nm
 will be powered down when the lid of the laptop
 is closed or the screen is blanked.
+.Pp
+The
+.Nm
+driver supports hardware acceleration to erase the screen and scroll text.
+By default, acceleration is
+.Em not
+enabled.
+By setting
+.Ar flags
+to
+.Ar 1
+(via
+.Xr config 8
+or
+.Xr boot_config 8 )
+this acceleration can be enabled.
 .Sh SEE ALSO
 .Xr agten 4 ,
 .Xr bwtwo 4 ,
@@ -99,8 +115,11 @@ is closed or the screen is blanked.
 .Xr vigra 4 ,
 .Xr wscons 4 ,
 .Xr wsdisplay 4 ,
-.Xr zx 4
+.Xr zx 4 ,
+.Xr boot_config 8 ,
+.Xr config 8
 .Sh BUGS
 There is currently no way to switch back and forth from
 the onboard display to the external connector.
+.Pp
 It is not possible to change resolutions.