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authorVille Syrjälä <syrjala@sci.fi>2006-01-09 20:53:28 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-10 08:01:49 -0800
commit480913fe42ae2ff2c821a9e12e6e3eac28d7d730 (patch)
tree8e4e577dd0f07a636e821a937c8b76407f7976a0 /drivers/video/aty
parent25163c56ed88a3009e7c1d808d3a052357301d63 (diff)
[PATCH] atyfb: Improve blanking
Force blanking signal and disable display requests when blanked. Don't disable LCD backlight with FB_BLANK_NORMAL. Signed-off-by: Ville Syrjälä <syrjala@sci.fi> Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/video/aty')
-rw-r--r--drivers/video/aty/atyfb_base.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index 209d4468086..8a10ebf47c2 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -2645,16 +2645,16 @@ static int __init store_video_par(char *video_str, unsigned char m64_num)
static int atyfb_blank(int blank, struct fb_info *info)
{
struct atyfb_par *par = (struct atyfb_par *) info->par;
- u8 gen_cntl;
+ u32 gen_cntl;
if (par->lock_blank || par->asleep)
return 0;
#ifdef CONFIG_PMAC_BACKLIGHT
- if ((_machine == _MACH_Pmac) && blank)
+ if ((_machine == _MACH_Pmac) && blank > FB_BLANK_NORMAL)
set_backlight_enable(0);
#elif defined(CONFIG_FB_ATY_GENERIC_LCD)
- if (par->lcd_table && blank &&
+ if (par->lcd_table && blank > FB_BLANK_NORMAL &&
(aty_ld_lcd(LCD_GEN_CNTL, par) & LCD_ON)) {
u32 pm = aty_ld_lcd(POWER_MANAGEMENT, par);
pm &= ~PWR_BLON;
@@ -2662,31 +2662,31 @@ static int atyfb_blank(int blank, struct fb_info *info)
}
#endif
- gen_cntl = aty_ld_8(CRTC_GEN_CNTL, par);
+ gen_cntl = aty_ld_le32(CRTC_GEN_CNTL, par);
switch (blank) {
case FB_BLANK_UNBLANK:
- gen_cntl &= ~(0x4c);
+ gen_cntl &= ~0x400004c;
break;
case FB_BLANK_NORMAL:
- gen_cntl |= 0x40;
+ gen_cntl |= 0x4000040;
break;
case FB_BLANK_VSYNC_SUSPEND:
- gen_cntl |= 0x8;
+ gen_cntl |= 0x4000048;
break;
case FB_BLANK_HSYNC_SUSPEND:
- gen_cntl |= 0x4;
+ gen_cntl |= 0x4000044;
break;
case FB_BLANK_POWERDOWN:
- gen_cntl |= 0x4c;
+ gen_cntl |= 0x400004c;
break;
}
- aty_st_8(CRTC_GEN_CNTL, gen_cntl, par);
+ aty_st_le32(CRTC_GEN_CNTL, gen_cntl, par);
#ifdef CONFIG_PMAC_BACKLIGHT
- if ((_machine == _MACH_Pmac) && !blank)
+ if ((_machine == _MACH_Pmac) && blank <= FB_BLANK_NORMAL)
set_backlight_enable(1);
#elif defined(CONFIG_FB_ATY_GENERIC_LCD)
- if (par->lcd_table && !blank &&
+ if (par->lcd_table && blank <= FB_BLANK_NORMAL &&
(aty_ld_lcd(LCD_GEN_CNTL, par) & LCD_ON)) {
u32 pm = aty_ld_lcd(POWER_MANAGEMENT, par);
pm |= PWR_BLON;