Fix build warning when CONFIG_PM_SLEEP is not enabled.

../drivers/gpu/drm/rockchip/cdn-dp-core.c:1124:12: warning: ‘cdn_dp_resume’ defined but not used [-Wunused-function] static int cdn_dp_resume(struct device *dev)

Fixes: 7c49abb4c2f8 ("drm/rockchip: cdn-dp-core: Make cdn_dp_core_suspend/resume static") Signed-off-by: Randy Dunlap rdunlap@infradead.org Cc: Sandy Huang hjc@rock-chips.com Cc: Heiko Stübner heiko@sntech.de Cc: dri-devel@lists.freedesktop.org Cc: David Airlie airlied@linux.ie Cc: Daniel Vetter daniel@ffwll.ch --- drivers/gpu/drm/rockchip/cdn-dp-core.c | 2 ++ 1 file changed, 2 insertions(+)

--- linux-next-20201210.orig/drivers/gpu/drm/rockchip/cdn-dp-core.c +++ linux-next-20201210/drivers/gpu/drm/rockchip/cdn-dp-core.c @@ -1121,6 +1121,7 @@ static int cdn_dp_suspend(struct device return ret; }

+#ifdef CONFIG_PM_SLEEP static int cdn_dp_resume(struct device *dev) { struct cdn_dp_device *dp = dev_get_drvdata(dev); @@ -1133,6 +1134,7 @@ static int cdn_dp_resume(struct device *

return 0; } +#endif

static int cdn_dp_probe(struct platform_device *pdev) {