target/linux/brcm2708/patches-3.10/0164-video-relax-the-dimensions-check-for-rotated-display.patch

   1 From c53c5708dcae81fbda536e38bbca6fa45886ffa9 Mon Sep 17 00:00:00 2001
   2 From: popcornmix <popcornmix@gmail.com>
   3 Date: Wed, 29 Jan 2014 21:37:00 +0000
   4 Subject: [PATCH 164/196] video: relax the dimensions check for rotated
   5  displays
   6
   7 ---
   8  drivers/video/bcm2708_fb.c | 6 +++---
   9  1 file changed, 3 insertions(+), 3 deletions(-)
  10
  11 diff --git a/drivers/video/bcm2708_fb.c b/drivers/video/bcm2708_fb.c
  12 index 5758146..935288d 100644
  13 --- a/drivers/video/bcm2708_fb.c
  14 +++ b/drivers/video/bcm2708_fb.c
  15 @@ -255,8 +255,8 @@ static int bcm2708_fb_check_var(struct fb_var_screeninfo *var,
  16         else if (var->vmode & FB_VMODE_INTERLACED)
  17                 yres = (yres + 1) / 2;
  18
  19 -       if (yres > 1200) {
  20 -               pr_err("bcm2708_fb_check_var: ERROR: VerticalTotal >= 1200; "
  21 +       if (var->xres * yres > 1920 * 1200) {
  22 +               pr_err("bcm2708_fb_check_var: ERROR: Pixel size >= 1920x1200; "
  23                        "special treatment required! (TODO)\n");
  24                 return -EINVAL;
  25         }
  26 @@ -415,7 +415,7 @@ static void bcm2708_fb_copyarea(struct fb_info *info,
  27
  28         /* Fallback to cfb_copyarea() if we don't like something */
  29         if (bytes_per_pixel > 4 ||
  30 -           info->var.xres > 1920 || info->var.yres > 1200 ||
  31 +           info->var.xres * info->var.yres > 1920 * 1200 ||
  32             region->width <= 0 || region->width > info->var.xres ||
  33             region->height <= 0 || region->height > info->var.yres ||
  34             region->sx < 0 || region->sx >= info->var.xres ||
  35 --
  36 1.9.1
  37