[PATCH 07/10] atyfb: Improve blanking
From: syrjala@sci.fi
Date: 2005-12-09 00:44:36
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> --- atyfb_base.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff -urpN linux-6/drivers/video/aty/atyfb_base.c linux-7/drivers/video/aty/atyfb_base.c
--- linux-6/drivers/video/aty/atyfb_base.c 2005-12-09 02:54:45.000000000 +0200
+++ linux-7/drivers/video/aty/atyfb_base.c 2005-12-09 02:55:42.000000000 +0200@@ -2645,16 +2645,16 @@ static int __init store_video_par(char * 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 } #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; -------------------------------------------------------
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