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List: freedesktop-xorg
Subject: screen saver for wsdisplay on vesafb and Xorg wsfb?
From: "Jeremy C. Reed" <reed () reedmedia ! net>
Date: 2006-07-31 21:14:16
Message-ID: Pine.NEB.4.64.0607311601530.885 () glacier ! reedmedia ! net
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Following is an email I originally sent to the NetBSD X11 list. If you
have any ideas on how I can test a screensaver (to power off display)
please let me know. I'd like to find out if I have a problem with Xorg
xf86-video-wsfb or with NetBSD's wsdisplay or vesafb or maybe I don't have
a problem at all :) - Jeremy
For two months, I have been using Xorg xf86-video-wsfb driver with
NetBSD's wsdisplay(4) on NetBSD's vesafb (missing man page?).
(vesa not mentioned in wsdisplay(4) either.) This is on i386 NetBSD
3.99.2x.
I can't turn off my display with xset.
The wsfb_driver.c has:
pScreen->SaveScreen = WsfbSaveScreen;
which is:
WsfbSaveScreen(ScreenPtr pScreen, int mode)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
WsfbPtr fPtr = WSFBPTR(pScrn);
int state;
TRACE_ENTER("SaveScreen");
if (!pScrn->vtSema)
return TRUE;
if (mode != SCREEN_SAVER_FORCER) {
state = xf86IsUnblank(mode)?WSDISPLAYIO_VIDEO_ON:
WSDISPLAYIO_VIDEO_OFF;
ioctl(fPtr->fd,
WSDISPLAYIO_SVIDEO, &state);
}
return TRUE;
}
I see WSDISPLAYIO_SVIDEO in /usr/src/sys/arch/i386/bios/vesafb.c.
How can I troubleshoot why I have no screen blank? What commands can I
try?
(Note that I can screenblank fine using unichrome or via on the same
system.)
Also where are the WSDISPLAYIO_* settings documented?
The screen does turn off when I close the lid (or close most of the way).
(With no ACPI in kernel it reboots though.)
I have no idea if the wsfb "CloseScreen" function is used, but I am
guessing it is not as the screen will blank out side of X if lid is closed
too.
- Jeremy C. Reed
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