[Qemu-devel] [PATCH v4 3/5] qemu-options.hx: mention retrace= VGA option

[Matthew Ogilvie <mmogilvi_qemu@miniinfo.net>]

The feature was added in commit cb5a7aa8c32141bb Sep 2008.
My description is based on "Better VGA retrace emulation (needed
for some DOS games/demos)" from
http://www.boblycat.org/~malc/code/patches/qemu/index.html

Signed-off-by: Matthew Ogilvie <mmogilvi_qemu@miniinfo.net>
---
 qemu-options.hx | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/qemu-options.hx b/qemu-options.hx
index 3c411c4..3e8085d 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -945,7 +945,7 @@ DEF("vga", HAS_ARG, QEMU_OPTION_vga,
     "-vga [std|cirrus|vmware|qxl|xenfb|none]\n"
     "                select video card type\n", QEMU_ARCH_ALL)
 STEXI
-@item -vga @var{type}
+@item -vga @var{type}[,@var{prop}=@var{value}[,...]]
 @findex -vga
 Select type of VGA card to emulate. Valid values for @var{type} are
 @table @option
@@ -970,6 +970,12 @@ Recommended choice when using the spice protocol.
 @item none
 Disable VGA card.
 @end table
+Valid optional properties are
+@table @option
+@item retrace=dumb|precise
+Select dumb (default) or precise VGA retrace logic, useful for some
+DOS games/demos.
+@end table
 ETEXI
 
 DEF("full-screen", 0, QEMU_OPTION_full_screen,
-- 
1.7.10.2.484.gcd07cc5