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authorHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-07-27 13:54:08 +0200
committerHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-07-27 13:54:08 +0200
commiteda3d8f5604860aae1bb9996bb5efc4213778369 (patch)
tree9d3887d2665bcc5f5abf200758794545c7b2c69b /drivers/video/geode/lxfb_ops.c
parent87a9f704658a40940e740b1d73d861667e9164d3 (diff)
parent8be1a6d6c77ab4532e4476fdb8177030ef48b52c (diff)
Merge commit 'upstream/master'
Diffstat (limited to 'drivers/video/geode/lxfb_ops.c')
-rw-r--r--drivers/video/geode/lxfb_ops.c28
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/video/geode/lxfb_ops.c b/drivers/video/geode/lxfb_ops.c
index aaef9165ec9..b1cd49c9935 100644
--- 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) {