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path: root/drivers/video/atmel_lcdfb.c
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Diffstat (limited to 'drivers/video/atmel_lcdfb.c')
-rw-r--r--drivers/video/atmel_lcdfb.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 540909de624..6e6491fb83b 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -461,8 +461,11 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var,
if (info->fix.smem_len) {
unsigned int smem_len = (var->xres_virtual * var->yres_virtual
* ((var->bits_per_pixel + 7) / 8));
- if (smem_len > info->fix.smem_len)
+ if (smem_len > info->fix.smem_len) {
+ dev_err(dev, "Frame buffer is too small (%u) for screen size (need at least %u)\n",
+ info->fix.smem_len, smem_len);
return -EINVAL;
+ }
}
/* Saturate vertical and horizontal timings at maximum values */