Commit e6c4d3d4 authored Jun 14, 2011 by Laurent Pinchart Committed by Paul Mundt Jun 15, 2011

fbdev: da8xx: 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>
Cc: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Cc: Martin Ambrose <martin@ti.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

parent 3478b1cd

drivers/video/da8xx-fb.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -877,8 +877,8 @@ static int da8xx_pan_display(struct fb_var_screeninfo *var,

		start = fix->smem_start +
		new_var.yoffset * fix->line_length +
		new_var.xoffset * var->bits_per_pixel / 8;
		end = start + var->yres * fix->line_length - 1;
		new_var.xoffset * fbi->var.bits_per_pixel / 8;
		end = start + fbi->var.yres * fix->line_length - 1;
		par->dma_start = start;
		par->dma_end = end;
		}