Revert "disp: msm: sde: remove all preclose logic"

This change reverts commit ae2dceb0b6 ("disp: msm:
 sde: remove all preclose logic"). This change also
modifies the force disable plane logic since
__drm_atomic_helper_disable_plane is not exposed to
drivers.

Change-Id: I89e19dead9ade724798952b1934b45b5663e1a42
Signed-off-by: Jayaprakash Madisetty <jmadiset@codeaurora.org>
Signed-off-by: Samantha Tran <samtran@codeaurora.org>

msm/msm_drv.c

@@ -967,6 +967,15 @@ static void context_close(struct msm_file_private *ctx)
 	kfree(ctx);
 }
 
+static void msm_preclose(struct drm_device *dev, struct drm_file *file)
+{
+	struct msm_drm_private *priv = dev->dev_private;
+	struct msm_kms *kms = priv->kms;
+
+	if (kms && kms->funcs && kms->funcs->preclose)
+		kms->funcs->preclose(kms, file);
+}
+
 static void msm_postclose(struct drm_device *dev, struct drm_file *file)
 {
 	struct msm_drm_private *priv = dev->dev_private;
@@ -1675,6 +1684,7 @@ static struct drm_driver msm_driver = {
 				DRIVER_ATOMIC |
 				DRIVER_MODESET,
 	.open               = msm_open,
+	.preclose           = msm_preclose,
 	.postclose          = msm_postclose,
 	.lastclose          = msm_lastclose,
 	.irq_handler        = msm_irq,