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pm3fb: 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>
This commit is contained in:
Laurent Pinchart 2011-05-25 11:34:52 +02:00
parent 3bb8c31dea
commit 01cba946e3
1 changed files with 2 additions and 2 deletions
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4
drivers/video/pm3fb.c
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@ -1147,9 +1147,9 @@ static int pm3fb_pan_display(struct fb_var_screeninfo *var,
struct fb_info *info) struct fb_info *info)
{ {
struct pm3_par *par = info->par; struct pm3_par *par = info->par;
const u32 xres = (var->xres + 31) & ~31; const u32 xres = (info->var.xres + 31) & ~31;
par->base = pm3fb_shift_bpp(var->bits_per_pixel, par->base = pm3fb_shift_bpp(info->var.bits_per_pixel,
(var->yoffset * xres) (var->yoffset * xres)
+ var->xoffset); + var->xoffset);
PM3_WAIT(par, 1); PM3_WAIT(par, 1);