From: Rain Yang <jiyu.yang@nxp.com>
Date: Sun, 28 Sep 2025 09:03:34 +0000 (+0800)
Subject: drm/panthor: skip regulator setup if no such prop
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a8cb5ca53690aa809f4f65e14192753073e61a71;p=thirdparty%2Fkernel%2Flinux.git

drm/panthor: skip regulator setup if no such prop

The regulator is optional, skip the setup instead of returning an
error if it is not present

Signed-off-by: Rain Yang <jiyu.yang@nxp.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Link: https://lore.kernel.org/r/20250928090334.35389-2-jiyu.yang@oss.nxp.com
---

diff --git a/drivers/gpu/drm/panthor/panthor_devfreq.c b/drivers/gpu/drm/panthor/panthor_devfreq.c
index 3686515d368db..2df1d76d84a09 100644
--- a/drivers/gpu/drm/panthor/panthor_devfreq.c
+++ b/drivers/gpu/drm/panthor/panthor_devfreq.c
@@ -146,10 +146,9 @@ int panthor_devfreq_init(struct panthor_device *ptdev)
 	ptdev->devfreq = pdevfreq;
 
 	ret = devm_pm_opp_set_regulators(dev, reg_names);
-	if (ret) {
+	if (ret && ret != -ENODEV) {
 		if (ret != -EPROBE_DEFER)
 			DRM_DEV_ERROR(dev, "Couldn't set OPP regulators\n");
-
 		return ret;
 	}