diff options
| author | Ville Syrjälä <syrjala@sci.fi> | 2006-01-09 20:53:28 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-10 08:01:49 -0800 |
| commit | 480913fe42ae2ff2c821a9e12e6e3eac28d7d730 (patch) | |
| tree | 8e4e577dd0f07a636e821a937c8b76407f7976a0 /drivers/video | |
| parent | 25163c56ed88a3009e7c1d808d3a052357301d63 (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')
| -rw-r--r-- | drivers/video/aty/atyfb_base.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c index 209d44680862..8a10ebf47c22 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; |