diff options
| author | Krzysztof Helt <krzysztof.h1@wp.pl> | 2008-10-15 22:03:17 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-16 11:21:41 -0700 |
| commit | d15d56f9f10295a992cc7a7697d6fd8b01823cfc (patch) | |
| tree | 149d6b571ea3c350fad0fffca7d99da3f2975405 /drivers | |
| parent | 319fcb224d66a4702731ec13b8ac670ad1e923bf (diff) | |
neofb: reduce panning function
Reduce panning function by deleting checks done by higher layer and
folding remaining function into the called one.
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/neofb.c | 35 |
1 files changed, 5 insertions, 30 deletions
diff --git a/drivers/video/neofb.c b/drivers/video/neofb.c index 25172b2a2a9..6249960b939 100644 --- a/drivers/video/neofb.c +++ b/drivers/video/neofb.c @@ -1186,8 +1186,11 @@ static int neofb_set_par(struct fb_info *info) return 0; } -static void neofb_update_start(struct fb_info *info, - struct fb_var_screeninfo *var) +/* + * Pan or Wrap the Display + */ +static int neofb_pan_display(struct fb_var_screeninfo *var, + struct fb_info *info) { struct neofb_par *par = info->par; struct vgastate *state = &par->state; @@ -1216,35 +1219,7 @@ static void neofb_update_start(struct fb_info *info, vga_wgfx(state->vgabase, 0x0E, (((Base >> 16) & 0x0f) | (oldExtCRTDispAddr & 0xf0))); neoLock(state); -} -/* - * Pan or Wrap the Display - */ -static int neofb_pan_display(struct fb_var_screeninfo *var, - struct fb_info *info) -{ - u_int y_bottom; - - y_bottom = var->yoffset; - - if (!(var->vmode & FB_VMODE_YWRAP)) - y_bottom += var->yres; - - if (var->xoffset > (var->xres_virtual - var->xres)) - return -EINVAL; - if (y_bottom > info->var.yres_virtual) - return -EINVAL; - - neofb_update_start(info, var); - - info->var.xoffset = var->xoffset; - info->var.yoffset = var->yoffset; - - if (var->vmode & FB_VMODE_YWRAP) - info->var.vmode |= FB_VMODE_YWRAP; - else - info->var.vmode &= ~FB_VMODE_YWRAP; return 0; } |