[PATCH] gpu/drm/hisilicon: Convert drm_atomic_helper_suspend/resume()

[Souptick Joarder]

convert drm_atomic_helper_suspend/resume() to use
drm_mode_config_helper_suspend/resume().

Fixed one sparse warning by making hibmc_drm_interrupt
static.

Signed-off-by: Souptick Joarder <jrdr.li...@gmail.com>
Signed-off-by: Ajit Negi <ajitn.li...@gmail.com>
---
 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 24 ++++++++----------------
 1 file changed, 8 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c 
b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
index d4f6f1f..2261676 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
@@ -37,7 +37,7 @@
        .llseek         = no_llseek,
 };
 
-irqreturn_t hibmc_drm_interrupt(int irq, void *arg)
+static irqreturn_t hibmc_drm_interrupt(int irq, void *arg)
 {
        struct drm_device *dev = (struct drm_device *)arg;
        struct hibmc_drm_private *priv =
@@ -74,30 +74,22 @@ static int __maybe_unused hibmc_pm_suspend(struct device 
*dev)
 {
        struct pci_dev *pdev = to_pci_dev(dev);
        struct drm_device *drm_dev = pci_get_drvdata(pdev);
-       struct hibmc_drm_private *priv = drm_dev->dev_private;
-
-       drm_kms_helper_poll_disable(drm_dev);
-       priv->suspend_state = drm_atomic_helper_suspend(drm_dev);
-       if (IS_ERR(priv->suspend_state)) {
-               DRM_ERROR("drm_atomic_helper_suspend failed: %ld\n",
-                         PTR_ERR(priv->suspend_state));
-               drm_kms_helper_poll_enable(drm_dev);
-               return PTR_ERR(priv->suspend_state);
-       }
+       int ret = 0;
 
-       return 0;
+       ret = drm_mode_config_helper_suspend(drm_dev);
+
+       return ret;
 }
 
 static int  __maybe_unused hibmc_pm_resume(struct device *dev)
 {
        struct pci_dev *pdev = to_pci_dev(dev);
        struct drm_device *drm_dev = pci_get_drvdata(pdev);
-       struct hibmc_drm_private *priv = drm_dev->dev_private;
+       int ret = 0;
 
-       drm_atomic_helper_resume(drm_dev, priv->suspend_state);
-       drm_kms_helper_poll_enable(drm_dev);
+       ret = drm_mode_config_helper_resume(drm_dev);
 
-       return 0;
+       return ret;
 }
 
 static const struct dev_pm_ops hibmc_pm_ops = {
-- 
1.9.1

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