The patch titled
neofb: reduce panning function
has been added to the -mm tree. Its filename is
neofb-reduce-panning-function.patch
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: neofb: reduce panning function
From: Krzysztof Helt <krzysztof.h1@xxxxx>
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@xxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/video/neofb.c | 35 +++++------------------------------
1 file changed, 5 insertions(+), 30 deletions(-)
diff -puN drivers/video/neofb.c~neofb-reduce-panning-function drivers/video/neofb.c
--- a/drivers/video/neofb.c~neofb-reduce-panning-function
+++ a/drivers/video/neofb.c
@@ -1186,8 +1186,11 @@ static int neofb_set_par(struct fb_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
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;
}
_
Patches currently in -mm which might be from krzysztof.h1@xxxxx are
origin.patch
sm501-update-debugging-low-information-messages.patch
matrox-maven-fix-a-broken-error-path.patch
matroxfb-i2c-structure-templates-clean-up.patch
matrox-maven-convert-to-a-new-style-i2c-driver.patch
atmel_lcdfb-set-ypanstep-to-1-and-enable-y-panning-on-at91.patch
atmel_lcdfb-add-board-parameter-specify-framebuffer-memory-size.patch
fbcon-prevent-cursor-disappearance-after-switching-to-512-character-font.patch
linux-next.patch
rtc-m48t59-reduce-structure-m48t59_private.patch
x86-fdiv-bug-detection-fix.patch
fb-convert-lock-unlock_kernel-into-local-fb-mutex.patch
neofb-reduce-panning-function.patch
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