[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>
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Коммит
480913fe42
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@ -2645,16 +2645,16 @@ static int __init store_video_par(char *video_str, unsigned char m64_num)
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static int atyfb_blank(int blank, struct fb_info *info)
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{
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struct atyfb_par *par = (struct atyfb_par *) info->par;
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u8 gen_cntl;
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u32 gen_cntl;
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if (par->lock_blank || par->asleep)
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return 0;
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#ifdef CONFIG_PMAC_BACKLIGHT
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if ((_machine == _MACH_Pmac) && blank)
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if ((_machine == _MACH_Pmac) && blank > FB_BLANK_NORMAL)
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set_backlight_enable(0);
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#elif defined(CONFIG_FB_ATY_GENERIC_LCD)
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if (par->lcd_table && blank &&
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if (par->lcd_table && blank > FB_BLANK_NORMAL &&
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(aty_ld_lcd(LCD_GEN_CNTL, par) & LCD_ON)) {
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u32 pm = aty_ld_lcd(POWER_MANAGEMENT, par);
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pm &= ~PWR_BLON;
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@ -2662,31 +2662,31 @@ static int atyfb_blank(int blank, struct fb_info *info)
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}
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#endif
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gen_cntl = aty_ld_8(CRTC_GEN_CNTL, par);
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gen_cntl = aty_ld_le32(CRTC_GEN_CNTL, par);
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switch (blank) {
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case FB_BLANK_UNBLANK:
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gen_cntl &= ~(0x4c);
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gen_cntl &= ~0x400004c;
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break;
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case FB_BLANK_NORMAL:
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gen_cntl |= 0x40;
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gen_cntl |= 0x4000040;
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break;
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case FB_BLANK_VSYNC_SUSPEND:
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gen_cntl |= 0x8;
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gen_cntl |= 0x4000048;
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break;
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case FB_BLANK_HSYNC_SUSPEND:
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gen_cntl |= 0x4;
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gen_cntl |= 0x4000044;
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break;
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case FB_BLANK_POWERDOWN:
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gen_cntl |= 0x4c;
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gen_cntl |= 0x400004c;
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break;
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}
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aty_st_8(CRTC_GEN_CNTL, gen_cntl, par);
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aty_st_le32(CRTC_GEN_CNTL, gen_cntl, par);
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#ifdef CONFIG_PMAC_BACKLIGHT
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if ((_machine == _MACH_Pmac) && !blank)
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if ((_machine == _MACH_Pmac) && blank <= FB_BLANK_NORMAL)
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set_backlight_enable(1);
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#elif defined(CONFIG_FB_ATY_GENERIC_LCD)
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if (par->lcd_table && !blank &&
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if (par->lcd_table && blank <= FB_BLANK_NORMAL &&
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(aty_ld_lcd(LCD_GEN_CNTL, par) & LCD_ON)) {
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u32 pm = aty_ld_lcd(POWER_MANAGEMENT, par);
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pm |= PWR_BLON;
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