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Commit 1fdb518f authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Paul Mundt
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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: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent df2d7981
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+2 −2
Original line number Diff line number Diff line
@@ -1147,9 +1147,9 @@ static int pm3fb_pan_display(struct fb_var_screeninfo *var,
				 struct fb_info *info)
{
	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->xoffset);
	PM3_WAIT(par, 1);