drm/msm: move helper calls to msm_kms.c

Extract two more KMS-related codepieces to msm_kms.c, removing last
pieces of KMS code from msm_drv.c.

Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/662574/
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>

Author: lumag

drivers/gpu/drm/msm/msm_drv.c

@@ -11,7 +11,6 @@
 #include <linux/of_address.h>
 #include <linux/uaccess.h>
 
-#include <drm/clients/drm_client_setup.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_file.h>
 #include <drm/drm_ioctl.h>
@@ -74,7 +73,7 @@ static int msm_drm_uninit(struct device *dev)
 	if (ddev->registered) {
 		drm_dev_unregister(ddev);
 		if (priv->kms)
-			drm_atomic_helper_shutdown(ddev);
+			msm_drm_kms_unregister(dev);
 	}
 
 	msm_gem_shrinker_cleanup(ddev);
@@ -167,10 +166,8 @@ static int msm_drm_init(struct device *dev, const struct drm_driver *drv)
 	if (ret)
 		goto err_msm_uninit;
 
-	if (priv->kms_init) {
-		drm_kms_helper_poll_init(ddev);
-		drm_client_setup(ddev, NULL);
-	}
+	if (priv->kms_init)
+		msm_drm_kms_post_init(dev);
 
 	return 0;
 

drivers/gpu/drm/msm/msm_kms.c

@@ -13,6 +13,7 @@
 #include <drm/drm_drv.h>
 #include <drm/drm_mode_config.h>
 #include <drm/drm_vblank.h>
+#include <drm/clients/drm_client_setup.h>
 
 #include "disp/msm_disp_snapshot.h"
 #include "msm_drv.h"
@@ -217,6 +218,15 @@ struct drm_gpuvm *msm_kms_init_vm(struct drm_device *dev)
 	return vm;
 }
 
+void msm_drm_kms_unregister(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct msm_drm_private *priv = platform_get_drvdata(pdev);
+	struct drm_device *ddev = priv->dev;
+
+	drm_atomic_helper_shutdown(ddev);
+}
+
 void msm_drm_kms_uninit(struct device *dev)
 {
 	struct platform_device *pdev = to_platform_device(dev);
@@ -366,3 +376,13 @@ void msm_kms_shutdown(struct platform_device *pdev)
 	if (drm && drm->registered && priv->kms)
 		drm_atomic_helper_shutdown(drm);
 }
+
+void msm_drm_kms_post_init(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct msm_drm_private *priv = platform_get_drvdata(pdev);
+	struct drm_device *ddev = priv->dev;
+
+	drm_kms_helper_poll_init(ddev);
+	drm_client_setup(ddev, NULL);
+}

drivers/gpu/drm/msm/msm_kms.h

@@ -200,6 +200,8 @@ static inline void msm_kms_destroy(struct msm_kms *kms)
 		for_each_if (drm_crtc_mask(crtc) & (crtc_mask))
 
 int msm_drm_kms_init(struct device *dev, const struct drm_driver *drv);
+void msm_drm_kms_post_init(struct device *dev);
+void msm_drm_kms_unregister(struct device *dev);
 void msm_drm_kms_uninit(struct device *dev);
 
 #endif /* __MSM_KMS_H__ */