Commit 3bb8c31d authored by Laurent Pinchart's avatar Laurent Pinchart
Browse files

pm2fb: 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: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
parent 4935ebf4

drivers/video/pm2fb.c

+2 −2
Original line number Diff line number Diff line
@@ -973,8 +973,8 @@ static int pm2fb_pan_display(struct fb_var_screeninfo *var, 
{

	struct pm2fb_par *p = info->par;

	u32 base;

	u32 depth = (var->bits_per_pixel + 7) & ~7;

	u32 xres = (var->xres + 31) & ~31;

	u32 depth = (info->var.bits_per_pixel + 7) & ~7;

	u32 xres = (info->var.xres + 31) & ~31;



	depth = (depth > 32) ? 32 : depth;

	base = to3264(var->yoffset * xres + var->xoffset, depth, 1);