Merge branch 'master' of /home/cbou/linux-2.6

[linux-2.6] / drivers / video / geode / lxfb_ops.c

diff --git a/drivers/video/geode/lxfb_ops.c b/drivers/video/geode/lxfb_ops.c
index aaef9165ec9bf09f8dcb00dc71a61b29b47a647f..b1cd49c9935618a6af9db4602021f41e8aaf23d4 100644 (file)
--- a/drivers/video/geode/lxfb_ops.c
+++ b/drivers/video/geode/lxfb_ops.c
@@ -517,25 +517,25 @@ void lx_set_palette_reg(struct fb_info *info, unsigned regno,
 int lx_blank_display(struct fb_info *info, int blank_mode)
 {
        struct lxfb_par *par = info->par;
-       u32 dcfg, fp_pm;
-       int blank, hsync, vsync, crt;
+       u32 dcfg, misc, fp_pm;
+       int blank, hsync, vsync;
 
        /* CRT power saving modes. */
        switch (blank_mode) {
        case FB_BLANK_UNBLANK:
-               blank = 0; hsync = 1; vsync = 1; crt = 1;
+               blank = 0; hsync = 1; vsync = 1;
                break;
        case FB_BLANK_NORMAL:
-               blank = 1; hsync = 1; vsync = 1; crt = 1;
+               blank = 1; hsync = 1; vsync = 1;
                break;
        case FB_BLANK_VSYNC_SUSPEND:
-               blank = 1; hsync = 1; vsync = 0; crt = 1;
+               blank = 1; hsync = 1; vsync = 0;
                break;
        case FB_BLANK_HSYNC_SUSPEND:
-               blank = 1; hsync = 0; vsync = 1; crt = 1;
+               blank = 1; hsync = 0; vsync = 1;
                break;
        case FB_BLANK_POWERDOWN:
-               blank = 1; hsync = 0; vsync = 0; crt = 0;
+               blank = 1; hsync = 0; vsync = 0;
                break;
        default:
                return -EINVAL;
@@ -545,15 +545,23 @@ int lx_blank_display(struct fb_info *info, int blank_mode)
        dcfg &= ~(VP_DCFG_DAC_BL_EN | VP_DCFG_HSYNC_EN | VP_DCFG_VSYNC_EN |
                        VP_DCFG_CRT_EN);
        if (!blank)
-               dcfg |= VP_DCFG_DAC_BL_EN;
+               dcfg |= VP_DCFG_DAC_BL_EN | VP_DCFG_CRT_EN;
        if (hsync)
                dcfg |= VP_DCFG_HSYNC_EN;
        if (vsync)
                dcfg |= VP_DCFG_VSYNC_EN;
-       if (crt)
-               dcfg |= VP_DCFG_CRT_EN;
+
        write_vp(par, VP_DCFG, dcfg);
 
+       misc = read_vp(par, VP_MISC);
+
+       if (vsync && hsync)
+               misc &= ~VP_MISC_DACPWRDN;
+       else
+               misc |= VP_MISC_DACPWRDN;
+
+       write_vp(par, VP_MISC, misc);
+
        /* Power on/off flat panel */
 
        if (par->output & OUTPUT_PANEL) {