diff options
author | Jeff Garzik <jgarzik@pobox.com> | 2006-02-20 02:16:23 -0500 |
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committer | Jeff Garzik <jgarzik@pobox.com> | 2006-02-20 02:16:23 -0500 |
commit | 5b2ffed906a3ebd4e52a5bbef06b99a517c53e4b (patch) | |
tree | 2f900f89d93db6b0822d8bdf4f49851c581c12a6 /drivers/video/neofb.c | |
parent | f1b318793dcd2d9ff6b5ac06e7762098fa079cee (diff) | |
parent | bd71c2b17468a2531fb4c81ec1d73520845e97e1 (diff) |
Merge branch 'master'
Diffstat (limited to 'drivers/video/neofb.c')
-rw-r--r-- | drivers/video/neofb.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/video/neofb.c b/drivers/video/neofb.c index 747602aa561..a2e201dc40f 100644 --- a/drivers/video/neofb.c +++ b/drivers/video/neofb.c @@ -843,6 +843,9 @@ static int neofb_set_par(struct fb_info *info) par->SysIfaceCntl2 = 0xc0; /* VESA Bios sets this to 0x80! */ + /* Initialize: by default, we want display config register to be read */ + par->PanelDispCntlRegRead = 1; + /* Enable any user specified display devices. */ par->PanelDispCntlReg1 = 0x00; if (par->internal_display) @@ -1334,6 +1337,18 @@ static int neofb_blank(int blank_mode, struct fb_info *info) struct neofb_par *par = info->par; int seqflags, lcdflags, dpmsflags, reg; + + /* + * Reload the value stored in the register, if sensible. It might have + * been changed via FN keystroke. + */ + if (par->PanelDispCntlRegRead) { + neoUnlock(); + par->PanelDispCntlReg1 = vga_rgfx(NULL, 0x20) & 0x03; + neoLock(&par->state); + } + par->PanelDispCntlRegRead = !blank_mode; + switch (blank_mode) { case FB_BLANK_POWERDOWN: /* powerdown - both sync lines down */ seqflags = VGA_SR01_SCREEN_OFF; /* Disable sequencer */ @@ -1366,7 +1381,7 @@ static int neofb_blank(int blank_mode, struct fb_info *info) case FB_BLANK_NORMAL: /* just blank screen (backlight stays on) */ seqflags = VGA_SR01_SCREEN_OFF; /* Disable sequencer */ lcdflags = par->PanelDispCntlReg1 & 0x02; /* LCD normal */ - dpmsflags = 0; /* no hsync/vsync suppression */ + dpmsflags = 0x00; /* no hsync/vsync suppression */ break; case FB_BLANK_UNBLANK: /* unblank */ seqflags = 0; /* Enable sequencer */ |