diff options
author | Dmitry Torokhov <dtor_core@ameritech.net> | 2006-03-13 23:36:52 -0500 |
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committer | Dmitry Torokhov <dtor_core@ameritech.net> | 2006-03-13 23:36:52 -0500 |
commit | 58a343f22e8ef987b90e34bbef7f1455e3bb5a15 (patch) | |
tree | fc811fb570639f2083df6d9191b6a8d7cff65352 /drivers/video/neofb.c | |
parent | 51c38f9bce274a1e8a90aa457fb433be738f7458 (diff) | |
parent | 3759fa9c55923f719ae944a3f8fbb029b36f759d (diff) |
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/video/neofb.c')
-rw-r--r-- | drivers/video/neofb.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/video/neofb.c b/drivers/video/neofb.c index b85e2b180a4..b961d5601bd 100644 --- a/drivers/video/neofb.c +++ b/drivers/video/neofb.c @@ -486,10 +486,8 @@ static void vgaHWRestore(const struct fb_info *info, static inline int neo2200_sync(struct fb_info *info) { struct neofb_par *par = info->par; - int waitcycles; - while (readl(&par->neo2200->bltStat) & 1) - waitcycles++; + while (readl(&par->neo2200->bltStat) & 1); return 0; } @@ -843,6 +841,9 @@ 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) @@ -1334,11 +1335,17 @@ 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, might have been changed via - * FN keystroke + * Reload the value stored in the register, if sensible. It might have + * been changed via FN keystroke. */ - par->PanelDispCntlReg1 = vga_rgfx(NULL, 0x20) & 0x03; + 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 */ |