[PATCH] drm/rockchip: fix a -Werror fail on !CONFIG_PM_SLEEP

[Adam Borowski]

Signed-off-by: Adam Borowski <kilobyte at angband.pl>
---
 With Linus suddenly loving -Werror, let's get clean.

 drivers/gpu/drm/rockchip/cdn-dp-core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c
index 8ab3247dbc4a..bee0f2d2a9be 100644
--- a/drivers/gpu/drm/rockchip/cdn-dp-core.c
+++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c
@@ -1123,6 +1123,7 @@ static int cdn_dp_suspend(struct device *dev)
 	return ret;
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int cdn_dp_resume(struct device *dev)
 {
 	struct cdn_dp_device *dp = dev_get_drvdata(dev);
@@ -1135,6 +1136,7 @@ static int cdn_dp_resume(struct device *dev)
 
 	return 0;
 }
+#endif
 
 static int cdn_dp_probe(struct platform_device *pdev)
 {
-- 
2.33.0