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AUO-K190x: make memory check in check_var more flexible

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Use only information from the new var to calculate the amount
of memory needed.

Signed-off-by: Heiko Stübner <heiko@sntech.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Heiko Stübner 2013-03-22 15:14:52 +01:00 committed by Tomi Valkeinen
parent 4e0ab85bb9
commit 03fc1499f0
1 changed files with 7 additions and 3 deletions
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10
drivers/video/auo_k190x.c
View file

@ -376,6 +376,9 @@ static void auok190xfb_imageblit(struct fb_info *info,
static int auok190xfb_check_var(struct fb_var_screeninfo *var,
struct fb_info *info)
{
struct device *dev = info->device;
int size;
if (info->var.xres != var->xres || info->var.yres != var->yres ||
info->var.xres_virtual != var->xres_virtual ||
info->var.yres_virtual != var->yres_virtual) {
@ -388,9 +391,10 @@ static int auok190xfb_check_var(struct fb_var_screeninfo *var,
* Memory limit
*/
if ((info->fix.line_length * var->yres_virtual) > info->fix.smem_len) {
pr_info("%s: Memory Limit requested yres_virtual = %u\n",
__func__, var->yres_virtual);
size = var->xres_virtual * var->yres_virtual * var->bits_per_pixel / 8;
if (size > info->fix.smem_len) {
dev_err(dev, "Memory limit exceeded, requested %dK\n",
size >> 10);
return -ENOMEM;
}