[PATCH v2 03/26] drm: imx: Define and use generic PM ops

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Use the new DEFINE_DRM_MODE_CONFIG_HELPER_PM_OPS() macro to create a
"struct dev_pm_ops" that can be used by this driver, instead of using
custom PM callbacks with the same behaviour.

v2: Use the DEFINE_DRM_MODE_CONFIG_HELPER_PM_OPS() macro instead of an
    exported dev_pm_ops.

Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
---
Cc: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Cc: Shawn Guo <shawnguo@xxxxxxxxxx>
Cc: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
Cc: Pengutronix Kernel Team <kernel@xxxxxxxxxxxxxx>
Cc: Fabio Estevam <festevam@xxxxxxxxx>
Cc: NXP Linux Team <linux-imx@xxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
---
 drivers/gpu/drm/imx/imx-drm-core.c | 23 ++++-------------------
 1 file changed, 4 insertions(+), 19 deletions(-)

diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
index e060fa6cbcb9..1992934034e0 100644
--- a/drivers/gpu/drm/imx/imx-drm-core.c
+++ b/drivers/gpu/drm/imx/imx-drm-core.c
@@ -10,6 +10,7 @@
 #include <linux/dma-buf.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/pm.h>
 
 #include <video/imx-ipu-v3.h>
 
@@ -298,36 +299,20 @@ static int imx_drm_platform_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
-static int imx_drm_suspend(struct device *dev)
-{
-	struct drm_device *drm_dev = dev_get_drvdata(dev);
-
-	return drm_mode_config_helper_suspend(drm_dev);
-}
-
-static int imx_drm_resume(struct device *dev)
-{
-	struct drm_device *drm_dev = dev_get_drvdata(dev);
-
-	return drm_mode_config_helper_resume(drm_dev);
-}
-#endif
-
-static SIMPLE_DEV_PM_OPS(imx_drm_pm_ops, imx_drm_suspend, imx_drm_resume);
-
 static const struct of_device_id imx_drm_dt_ids[] = {
 	{ .compatible = "fsl,imx-display-subsystem", },
 	{ /* sentinel */ },
 };
 MODULE_DEVICE_TABLE(of, imx_drm_dt_ids);
 
+DEFINE_DRM_MODE_CONFIG_HELPER_PM_OPS(imx_pm_ops);
+
 static struct platform_driver imx_drm_pdrv = {
 	.probe		= imx_drm_platform_probe,
 	.remove		= imx_drm_platform_remove,
 	.driver		= {
 		.name	= "imx-drm",
-		.pm	= &imx_drm_pm_ops,
+		.pm	= pm_sleep_ptr(&imx_pm_ops),
 		.of_match_table = imx_drm_dt_ids,
 	},
 };
-- 
2.35.1




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