patch-2.1.67 linux/Documentation/m68k/kernel-options.txt

• Lines: 74
• Date: Sat Nov 29 10:33:18 1997
• Orig file: v2.1.66/linux/Documentation/m68k/kernel-options.txt
• Orig date: Tue May 13 22:41:00 1997

diff -u --recursive --new-file v2.1.66/linux/Documentation/m68k/kernel-options.txt linux/Documentation/m68k/kernel-options.txt
@@ -3,8 +3,8 @@
 				  Command Line Options for Linux/m68k
 				  ===================================
 
-Date: Sep 14, 1996
-Linux/m68k version: 2.0.20
+Date: Oct 6, 1997
+Linux/m68k version: 2.0.21
 Author: Roman.Hodek@informatik.uni-erlangen.de (Roman Hodek)
 Update: jds@kom.auc.dk (Jes Sorensen)
 
@@ -312,9 +312,11 @@
 4.1) video=
 --------------
 
-Syntax: video=<sub-options...>
+Syntax: video=<fbname>:<sub-options...>
 
-The <sub-options> is a comma-separated list of the sub-options listed
+The <fbname> parameter specifies the name of the frame buffer,
+eg. most atari users will want to specify `atafb' here. The
+<sub-options> is a comma-separated list of the sub-options listed
 below.
 
 NB: Please notice that this option was renamed from `atavideo' to
@@ -322,6 +324,9 @@
     might need to update your boot-scripts if upgrading to 2.0.x from
     an 1.2.13ply kernel.
 
+NBB: The behavior of video= was changed in 2.1.57 so the recommended
+option is to specify the name of the frame buffer.
+
 4.1.1) Video Mode
 -----------------
 
@@ -420,7 +425,7 @@
 
 Syntax:
   external:<xres>;<yres>;<depth>;<org>;<scrmem>[;<scrlen>[;<vgabase>\
-           [;<colw>[;<coltype>]]]]
+           [;<colw>[;<coltype>[;<xres_virtual>]]]]]
 
 [I had to break this line...]
 
@@ -496,6 +501,14 @@
 "vga" (which is also the default) and "mv300" (SANG MV300) are
 implemented.
 
+  Parameter <xres_virtual> is required for ProMST or ET4000 cards where
+the physical linelength differs from the visible length. With ProMST, 
+xres_virtual must be set to 2048. For ET4000, xres_virtual depends on the
+initialisation of the video-card.
+If you're missing a corresponding yres_virtual: the external part is legacy,
+therefore we don't support hardware-dependend functions like hardware-scroll,
+panning or blanking.
+
 4.1.8) eclock:
 --------------
 
@@ -645,7 +658,13 @@
 5.1) video=
 -----------
 
-Syntax: video=<sub-options...>
+Syntax: video=<fbname>:<sub-options...>
+
+The <fbname> parameter specifies the name of the frame buffer, valid
+options are `amifb', `cyberfb', `retz3' and `clgen', provided that the
+respective frame buffer devices have been compiled into the kernel (or
+compiled as loadable modules). The behavior of the <fbname> option was
+changed in 2.1.57 so it is now recommended to specify this option.
 
 The <sub-options> is a comma-separated list of the sub-options listed
 below. This option is organized similar to the Atari version of the