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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2011-05-25 11:34:52 +0200
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2011-08-19 10:35:10 +0200
commit0aa76b0ce163f929b4e8f41331073814b0ef8612 (patch)
treed5a8d2bf270ea933cf834de6c24c472f472cc490
parentsisfb: use display information in info not in var for panning (diff)
downloadlinux-0aa76b0ce163f929b4e8f41331073814b0ef8612.tar.xz
linux-0aa76b0ce163f929b4e8f41331073814b0ef8612.zip
sm501fb: use display information in info not in var for panning
We must not use any information in the passed var besides xoffset, yoffset and vmode as otherwise applications might abuse it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
-rw-r--r--drivers/video/sm501fb.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/video/sm501fb.c b/drivers/video/sm501fb.c
index 6294dca95500..a78254cf8e83 100644
--- a/drivers/video/sm501fb.c
+++ b/drivers/video/sm501fb.c
@@ -582,7 +582,7 @@ static int sm501fb_pan_crt(struct fb_var_screeninfo *var,
{
struct sm501fb_par *par = info->par;
struct sm501fb_info *fbi = par->info;
- unsigned int bytes_pixel = var->bits_per_pixel / 8;
+ unsigned int bytes_pixel = info->var.bits_per_pixel / 8;
unsigned long reg;
unsigned long xoffs;
@@ -614,10 +614,10 @@ static int sm501fb_pan_pnl(struct fb_var_screeninfo *var,
struct sm501fb_info *fbi = par->info;
unsigned long reg;
- reg = var->xoffset | (var->xres_virtual << 16);
+ reg = var->xoffset | (info->var.xres_virtual << 16);
smc501_writel(reg, fbi->regs + SM501_DC_PANEL_FB_WIDTH);
- reg = var->yoffset | (var->yres_virtual << 16);
+ reg = var->yoffset | (info->var.yres_virtual << 16);
smc501_writel(reg, fbi->regs + SM501_DC_PANEL_FB_HEIGHT);
sm501fb_sync_regs(fbi);