Module Name: src
Committed By: rkujawa
Date: Fri Aug 3 21:40:34 UTC 2012
Modified Files:
src/share/man/man4: tdvfb.4
Log Message:
Update tdvfb(4) man page to match recent update of this driver code.
To generate a diff of this commit:
cvs rdiff -u -r1.5 -r1.6 src/share/man/man4/tdvfb.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/tdvfb.4
diff -u src/share/man/man4/tdvfb.4:1.5 src/share/man/man4/tdvfb.4:1.6
--- src/share/man/man4/tdvfb.4:1.5 Fri Jul 20 18:57:27 2012
+++ src/share/man/man4/tdvfb.4 Fri Aug 3 21:40:34 2012
@@ -1,4 +1,4 @@
-.\" $NetBSD: tdvfb.4,v 1.5 2012/07/20 18:57:27 wiz Exp $
+.\" $NetBSD: tdvfb.4,v 1.6 2012/08/03 21:40:34 rkujawa Exp $
.\"
.\" Copyright (c) 2012 Radoslaw Kujawa
.\" All rights reserved.
@@ -24,7 +24,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
-.Dd July 20, 2012
+.Dd August 3, 2012
.Dt TDVFB 4
.Os
.Sh NAME
@@ -87,16 +87,21 @@ attachment code is based mostly on the
driver by
.An Michael Lorenz .
.Sh BUGS
-The
+3Dfx Voodoo2 has a simple 2D graphics engine. The
.Nm
-driver is unaccelerated.
-3Dfx Voodoo2 has a simple 2D graphics engine but it is unsupported yet.
+driver has minimal support
+for this engine. It activated only when the card is running in a 16-bit mode
+(this is a hardware limitation).
.Pp
-Video mode is hard-coded to 800x600 at 60Hz in 32-bits, it should be selectable
-at least via kernel configuration file.
-It is not possible to detect what resolutions are supported by the monitor,
-since Voodoo Graphics and Voodoo2 have no DDC interface.
+Video mode is hard-coded to 800x600 at 60Hz. Default bit depth for little
+endian machines is 16-bit, for big endian machines it is 32-bit. Resolution and
+depth should be selectable at least via kernel configuration file. It is not
+possible to detect what resolutions are supported by the monitor, since Voodoo
+Graphics and Voodoo2 have no DDC interface.
.Pp
8-bit depth is not supported by the hardware.
16-bit depth is supported by the hardware and is the preferred depth, however it
-does not work correctly at the moment (this is a driver problem).
+does not work correctly on big endian machines at the moment (this is a driver
+problem).
+.Pp
+Sometimes the driver fails to detect RAMDAC.
