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lxfb: disable suspend VT switch by default

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By default disable VT switch, but allow it to be overridden via the
'vt_switch' module arg.

Signed-off-by: Andres Salomon <dilinger@debian.org>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Jordan Crouse <jordan.crouse@amd.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andres Salomon 2008-04-28 02:15:28 -07:00 committed by Linus Torvalds
parent c805df3d62
commit 564820d42a
2 changed files with 9 additions and 0 deletions
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2
Documentation/fb/lxfb.txt
View file

@ -45,6 +45,8 @@ Accepted options:
mode_option - specify the video mode. Of the form mode_option - specify the video mode. Of the form
<x>x<y>[-<bpp>][@<refresh>] <x>x<y>[-<bpp>][@<refresh>]
vram - size of video ram (normally auto-detected) vram - size of video ram (normally auto-detected)
vt_switch - enable vt switching during suspend/resume. The vt
switch is slow, but harmless.
-- --
Andres Salomon <dilinger@debian.org> Andres Salomon <dilinger@debian.org>

7
drivers/video/geode/lxfb_core.c
View file

@ -17,6 +17,7 @@
#include <linux/console.h> #include <linux/console.h>
#include <linux/mm.h> #include <linux/mm.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/suspend.h>
#include <linux/delay.h> #include <linux/delay.h>
#include <linux/fb.h> #include <linux/fb.h>
#include <linux/init.h> #include <linux/init.h>
@ -28,6 +29,7 @@
static char *mode_option; static char *mode_option;
static int noclear, nopanel, nocrt; static int noclear, nopanel, nocrt;
static int vram; static int vram;
static int vt_switch;
/* Most of these modes are sorted in ascending order, but /* Most of these modes are sorted in ascending order, but
* since the first entry in this table is the "default" mode, * since the first entry in this table is the "default" mode,
@ -523,6 +525,8 @@ static int __init lxfb_probe(struct pci_dev *pdev,
lxfb_check_var(&info->var, info); lxfb_check_var(&info->var, info);
lxfb_set_par(info); lxfb_set_par(info);
pm_set_vt_switch(vt_switch);
if (register_framebuffer(info) < 0) { if (register_framebuffer(info) < 0) {
ret = -EINVAL; ret = -EINVAL;
goto err; goto err;
@ -648,5 +652,8 @@ MODULE_PARM_DESC(mode_option, "video mode (<x>x<y>[-<bpp>][@<refr>])");
module_param(vram, int, 0); module_param(vram, int, 0);
MODULE_PARM_DESC(vram, "video memory size"); MODULE_PARM_DESC(vram, "video memory size");
module_param(vt_switch, int, 0);
MODULE_PARM_DESC(vt_switch, "enable VT switch during suspend/resume");
MODULE_DESCRIPTION("Framebuffer driver for the AMD Geode LX"); MODULE_DESCRIPTION("Framebuffer driver for the AMD Geode LX");
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");