diff options
| author | Heiko Stübner <heiko@sntech.de> | 2013-03-22 14:14:52 (GMT) |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2013-04-04 10:08:07 (GMT) |
| commit | 03fc1499f0fb28d4f70b83e8a05652129936486c (patch) | |
| tree | 54f5ad60ae3d70b7bc47f4e469c325064ab96432 /drivers/video/auo_k190x.c | |
| parent | 4e0ab85bb9097ecc422d4237f9eec155993f2902 (diff) | |
| download | linux-fsl-qoriq-03fc1499f0fb28d4f70b83e8a05652129936486c.tar.xz | |
AUO-K190x: make memory check in check_var more flexible
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>
Diffstat (limited to 'drivers/video/auo_k190x.c')
| -rw-r--r-- | drivers/video/auo_k190x.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/video/auo_k190x.c b/drivers/video/auo_k190x.c index 17f8d09..e078e20 100644 --- a/drivers/video/auo_k190x.c +++ b/drivers/video/auo_k190x.c @@ -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; } |