Commit 8f361b27 authored by Philipp Zabel's avatar Philipp Zabel

gpu: ipu-v3: turns out the IPU can only downsize 4:1

The value for downsizing 8:1 is marked as reserved in the technical reference
manual and the documentation states downsizing capability up to 4:1 only.
Signed-off-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
parent f7089d92
......@@ -297,8 +297,8 @@ static int calc_resize_coeffs(struct ipu_ic *ic,
return -EINVAL;
}
/* Cannot downsize more than 8:1 */
if ((out_size << 3) < in_size) {
/* Cannot downsize more than 4:1 */
if ((out_size << 2) < in_size) {
dev_err(ipu->dev, "Unsupported downsize\n");
return -EINVAL;
}
......
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