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Commit 09a9168d authored by Laurent Pinchart's avatar Laurent Pinchart
Browse files

imsttfb: 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 7b116e54

drivers/video/imsttfb.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -749,7 +749,7 @@ set_offset (struct fb_var_screeninfo *var, struct fb_info *info) 
{

{

	struct imstt_par *par = info->par;

	struct imstt_par *par = info->par;

	__u32 off = var->yoffset * (info->fix.line_length >> 3)

	__u32 off = var->yoffset * (info->fix.line_length >> 3)

		    + ((var->xoffset * (var->bits_per_pixel >> 3)) >> 3);

		    + ((var->xoffset * (info->var.bits_per_pixel >> 3)) >> 3);

	write_reg_le32(par->dc_regs, SSR, off);

	write_reg_le32(par->dc_regs, SSR, off);

}

}