3 files changed, 11 insertions, 28 deletions

diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 09d3c4c3c858..50294a7bd29d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -82,14 +82,9 @@ err_file_priv_free:
         return ret;
 }
 
-static void exynos_drm_preclose(struct drm_device *dev,
-                                        struct drm_file *file)
-{
-        exynos_drm_subdrv_close(dev, file);
-}
-
 static void exynos_drm_postclose(struct drm_device *dev, struct drm_file *file)
 {
+        exynos_drm_subdrv_close(dev, file);
         kfree(file->driver_priv);
         file->driver_priv = NULL;
 }
@@ -145,7 +140,6 @@ static struct drm_driver exynos_drm_driver = {
         .driver_features        = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME
                                   | DRIVER_ATOMIC | DRIVER_RENDER,
         .open                   = exynos_drm_open,
-        .preclose               = exynos_drm_preclose,
         .lastclose              = exynos_drm_lastclose,
         .postclose              = exynos_drm_postclose,
         .gem_free_object_unlocked = exynos_drm_gem_free_object,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index cb3176930596..39c740572034 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -160,12 +160,9 @@ struct exynos_drm_clk {
  *      drm framework doesn't support multiple irq yet.
  *      we can refer to the crtc to current hardware interrupt occurred through
  *      this pipe value.
- * @enabled: if the crtc is enabled or not
- * @event: vblank event that is currently queued for flip
- * @wait_update: wait all pending planes updates to finish
- * @pending_update: number of pending plane updates in this crtc
  * @ops: pointer to callbacks for exynos drm specific functionality
  * @ctx: A pointer to the crtc's implementation specific context
+ * @pipe_clk: A pointer to the crtc's pipeline clock.
  */
 struct exynos_drm_crtc {
         struct drm_crtc                 base;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index fc4fda738906..d404de86d5f9 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1633,7 +1633,6 @@ static int exynos_dsi_parse_dt(struct exynos_dsi *dsi)
 {
         struct device *dev = dsi->dev;
         struct device_node *node = dev->of_node;
-        struct device_node *ep;
         int ret;
 
         ret = exynos_dsi_of_read_u32(node, "samsung,pll-clock-frequency",
@@ -1641,32 +1640,21 @@ static int exynos_dsi_parse_dt(struct exynos_dsi *dsi)
         if (ret < 0)
                 return ret;
 
-        ep = of_graph_get_endpoint_by_regs(node, DSI_PORT_OUT, 0);
-        if (!ep) {
-                dev_err(dev, "no output port with endpoint specified\n");
-                return -EINVAL;
-        }
-
-        ret = exynos_dsi_of_read_u32(ep, "samsung,burst-clock-frequency",
+        ret = exynos_dsi_of_read_u32(node, "samsung,burst-clock-frequency",
                                      &dsi->burst_clk_rate);
         if (ret < 0)
-                goto end;
+                return ret;
 
-        ret = exynos_dsi_of_read_u32(ep, "samsung,esc-clock-frequency",
+        ret = exynos_dsi_of_read_u32(node, "samsung,esc-clock-frequency",
                                      &dsi->esc_clk_rate);
         if (ret < 0)
-                goto end;
-
-        of_node_put(ep);
+                return ret;
 
         dsi->bridge_node = of_graph_get_remote_node(node, DSI_PORT_OUT, 0);
         if (!dsi->bridge_node)
                 return -EINVAL;
 
-end:
-        of_node_put(ep);
-
-        return ret;
+        return 0;
 }
 
 static int exynos_dsi_bind(struct device *dev, struct device *master,
@@ -1817,6 +1805,10 @@ static int exynos_dsi_probe(struct platform_device *pdev)
 
 static int exynos_dsi_remove(struct platform_device *pdev)
 {
+        struct exynos_dsi *dsi = platform_get_drvdata(pdev);
+
+        of_node_put(dsi->bridge_node);
+
         pm_runtime_disable(&pdev->dev);
 
         component_del(&pdev->dev, &exynos_dsi_component_ops);