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-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 aaef9165ec9b..b1cd49c99356 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,
517int lx_blank_display(struct fb_info *info, int blank_mode) 517int lx_blank_display(struct fb_info *info, int blank_mode)
518{ 518{
519 struct lxfb_par *par = info->par; 519 struct lxfb_par *par = info->par;
520 u32 dcfg, fp_pm; 520 u32 dcfg, misc, fp_pm;
521 int blank, hsync, vsync, crt; 521 int blank, hsync, vsync;
522 522
523 /* CRT power saving modes. */ 523 /* CRT power saving modes. */
524 switch (blank_mode) { 524 switch (blank_mode) {
525 case FB_BLANK_UNBLANK: 525 case FB_BLANK_UNBLANK:
526 blank = 0; hsync = 1; vsync = 1; crt = 1; 526 blank = 0; hsync = 1; vsync = 1;
527 break; 527 break;
528 case FB_BLANK_NORMAL: 528 case FB_BLANK_NORMAL:
529 blank = 1; hsync = 1; vsync = 1; crt = 1; 529 blank = 1; hsync = 1; vsync = 1;
530 break; 530 break;
531 case FB_BLANK_VSYNC_SUSPEND: 531 case FB_BLANK_VSYNC_SUSPEND:
532 blank = 1; hsync = 1; vsync = 0; crt = 1; 532 blank = 1; hsync = 1; vsync = 0;
533 break; 533 break;
534 case FB_BLANK_HSYNC_SUSPEND: 534 case FB_BLANK_HSYNC_SUSPEND:
535 blank = 1; hsync = 0; vsync = 1; crt = 1; 535 blank = 1; hsync = 0; vsync = 1;
536 break; 536 break;
537 case FB_BLANK_POWERDOWN: 537 case FB_BLANK_POWERDOWN:
538 blank = 1; hsync = 0; vsync = 0; crt = 0; 538 blank = 1; hsync = 0; vsync = 0;
539 break; 539 break;
540 default: 540 default:
541 return -EINVAL; 541 return -EINVAL;
@@ -545,15 +545,23 @@ int lx_blank_display(struct fb_info *info, int blank_mode)
545 dcfg &= ~(VP_DCFG_DAC_BL_EN | VP_DCFG_HSYNC_EN | VP_DCFG_VSYNC_EN | 545 dcfg &= ~(VP_DCFG_DAC_BL_EN | VP_DCFG_HSYNC_EN | VP_DCFG_VSYNC_EN |
546 VP_DCFG_CRT_EN); 546 VP_DCFG_CRT_EN);
547 if (!blank) 547 if (!blank)
548 dcfg |= VP_DCFG_DAC_BL_EN; 548 dcfg |= VP_DCFG_DAC_BL_EN | VP_DCFG_CRT_EN;
549 if (hsync) 549 if (hsync)
550 dcfg |= VP_DCFG_HSYNC_EN; 550 dcfg |= VP_DCFG_HSYNC_EN;
551 if (vsync) 551 if (vsync)
552 dcfg |= VP_DCFG_VSYNC_EN; 552 dcfg |= VP_DCFG_VSYNC_EN;
553 if (crt) 553
554 dcfg |= VP_DCFG_CRT_EN;
555 write_vp(par, VP_DCFG, dcfg); 554 write_vp(par, VP_DCFG, dcfg);
556 555
556 misc = read_vp(par, VP_MISC);
557
558 if (vsync && hsync)
559 misc &= ~VP_MISC_DACPWRDN;
560 else
561 misc |= VP_MISC_DACPWRDN;
562
563 write_vp(par, VP_MISC, misc);
564
557 /* Power on/off flat panel */ 565 /* Power on/off flat panel */
558 566
559 if (par->output & OUTPUT_PANEL) { 567 if (par->output & OUTPUT_PANEL) {