linux-kernel - [PATCH] drm/hisilicon: Add the CONFIG_PM

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Date:   Fri, 11 Dec 2020 15:02:20 +0800
From:   Tian Tao <tiantao6@...ilicon.com>
To:     <airlied@...ux.ie>, <daniel@...ll.ch>, <tzimmermann@...e.de>,
        <kraxel@...hat.com>, <alexander.deucher@....com>,
        <tglx@...utronix.de>, <dri-devel@...ts.freedesktop.org>,
        <xinliang.liu@...aro.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] drm/hisilicon: Add the CONFIG_PM_SLEEP

add the CONFIG_PM_SLEEP to isolate the function of resume and suspend.

Signed-off-by: Tian Tao <tiantao6@...ilicon.com>
---
 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
index 7e91ef1..faa664d 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
@@ -65,6 +65,7 @@ static const struct drm_driver hibmc_driver = {
 	.irq_handler		= hibmc_drm_interrupt,
 };
 
+#ifdef CONFIG_PM_SLEEP
 static int __maybe_unused hibmc_pm_suspend(struct device *dev)
 {
 	struct drm_device *drm_dev = dev_get_drvdata(dev);
@@ -78,6 +79,7 @@ static int  __maybe_unused hibmc_pm_resume(struct device *dev)
 
 	return drm_mode_config_helper_resume(drm_dev);
 }
+#endif
 
 static const struct dev_pm_ops hibmc_pm_ops = {
 	SET_SYSTEM_SLEEP_PM_OPS(hibmc_pm_suspend,
-- 
2.7.4