8 files changed, 23 insertions, 14 deletions

diff --git a/drivers/gpu/drm/sti/sti_cursor.c b/drivers/gpu/drm/sti/sti_cursor.c
index c59fcb4dca32..4e12a465be7f 100644
--- a/drivers/gpu/drm/sti/sti_cursor.c
+++ b/drivers/gpu/drm/sti/sti_cursor.c
@@ -14,6 +14,7 @@
 #include <drm/drm_fb_dma_helper.h>
 #include <drm/drm_framebuffer.h>
 #include <drm/drm_gem_dma_helper.h>
+#include <drm/drm_print.h>
 
 #include "sti_compositor.h"
 #include "sti_cursor.h"
diff --git a/drivers/gpu/drm/sti/sti_drv.c b/drivers/gpu/drm/sti/sti_drv.c
index 5e9332df21df..f16345f01065 100644
--- a/drivers/gpu/drm/sti/sti_drv.c
+++ b/drivers/gpu/drm/sti/sti_drv.c
@@ -22,6 +22,7 @@
 #include <drm/drm_gem_dma_helper.h>
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_of.h>
+#include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
 
 #include "sti_drv.h"
@@ -231,23 +232,15 @@ static const struct component_master_ops sti_ops = {
 static int sti_platform_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct device_node *node = dev->of_node;
-	struct device_node *child_np;
-	struct component_match *match = NULL;
+	int ret;
 
-	dma_set_coherent_mask(dev, DMA_BIT_MASK(32));
+	ret = dma_set_coherent_mask(dev, DMA_BIT_MASK(32));
+	if (ret)
+		return ret;
 
 	devm_of_platform_populate(dev);
 
-	child_np = of_get_next_available_child(node, NULL);
-
-	while (child_np) {
-		drm_of_component_match_add(dev, &match, component_compare_of,
-					   child_np);
-		child_np = of_get_next_available_child(node, child_np);
-	}
-
-	return component_master_add_with_match(dev, &sti_ops, match);
+	return drm_of_component_probe(dev, component_compare_of, &sti_ops);
 }
 
 static void sti_platform_remove(struct platform_device *pdev)
diff --git a/drivers/gpu/drm/sti/sti_gdp.c b/drivers/gpu/drm/sti/sti_gdp.c
index f046f5f7ad25..1e5aa8c30645 100644
--- a/drivers/gpu/drm/sti/sti_gdp.c
+++ b/drivers/gpu/drm/sti/sti_gdp.c
@@ -16,6 +16,7 @@
 #include <drm/drm_fourcc.h>
 #include <drm/drm_framebuffer.h>
 #include <drm/drm_gem_dma_helper.h>
+#include <drm/drm_print.h>
 
 #include "sti_compositor.h"
 #include "sti_gdp.h"
diff --git a/drivers/gpu/drm/sti/sti_hda.c b/drivers/gpu/drm/sti/sti_hda.c
index 2c015f563de9..b7397827889c 100644
--- a/drivers/gpu/drm/sti/sti_hda.c
+++ b/drivers/gpu/drm/sti/sti_hda.c
@@ -779,6 +779,8 @@ static int sti_hda_probe(struct platform_device *pdev)
 		return PTR_ERR(hda->clk_hddac);
 	}
 
+	drm_bridge_add(&hda->bridge);
+
 	platform_set_drvdata(pdev, hda);
 
 	return component_add(&pdev->dev, &sti_hda_ops);
@@ -786,7 +788,10 @@ static int sti_hda_probe(struct platform_device *pdev)
 
 static void sti_hda_remove(struct platform_device *pdev)
 {
+	struct sti_hda *hda = platform_get_drvdata(pdev);
+
 	component_del(&pdev->dev, &sti_hda_ops);
+	drm_bridge_remove(&hda->bridge);
 }
 
 static const struct of_device_id hda_of_match[] = {
diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c
index 4e7c3d78b2b9..f8222e60b1e0 100644
--- a/drivers/gpu/drm/sti/sti_hdmi.c
+++ b/drivers/gpu/drm/sti/sti_hdmi.c
@@ -1459,6 +1459,7 @@ static int sti_hdmi_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, hdmi);
 
+	drm_bridge_add(&hdmi->bridge);
 	return component_add(&pdev->dev, &sti_hdmi_ops);
 
  release_adapter:
@@ -1475,6 +1476,7 @@ static void sti_hdmi_remove(struct platform_device *pdev)
 	if (hdmi->audio_pdev)
 		platform_device_unregister(hdmi->audio_pdev);
 	component_del(&pdev->dev, &sti_hdmi_ops);
+	drm_bridge_remove(&hdmi->bridge);
 }
 
 struct platform_driver sti_hdmi_driver = {
diff --git a/drivers/gpu/drm/sti/sti_hqvdp.c b/drivers/gpu/drm/sti/sti_hqvdp.c
index b76606e9a82d..57ef4ba3554e 100644
--- a/drivers/gpu/drm/sti/sti_hqvdp.c
+++ b/drivers/gpu/drm/sti/sti_hqvdp.c
@@ -20,6 +20,7 @@
 #include <drm/drm_fourcc.h>
 #include <drm/drm_framebuffer.h>
 #include <drm/drm_gem_dma_helper.h>
+#include <drm/drm_print.h>
 
 #include "sti_compositor.h"
 #include "sti_drv.h"
diff --git a/drivers/gpu/drm/sti/sti_plane.c b/drivers/gpu/drm/sti/sti_plane.c
index 29e669ccec5b..948f947b5cad 100644
--- a/drivers/gpu/drm/sti/sti_plane.c
+++ b/drivers/gpu/drm/sti/sti_plane.c
@@ -12,6 +12,7 @@
 #include <drm/drm_fourcc.h>
 #include <drm/drm_framebuffer.h>
 #include <drm/drm_gem_dma_helper.h>
+#include <drm/drm_print.h>
 
 #include "sti_compositor.h"
 #include "sti_drv.h"
diff --git a/drivers/gpu/drm/sti/sti_vtg.c b/drivers/gpu/drm/sti/sti_vtg.c
index ee81691b3203..ce6bc7e7b135 100644
--- a/drivers/gpu/drm/sti/sti_vtg.c
+++ b/drivers/gpu/drm/sti/sti_vtg.c
@@ -143,12 +143,17 @@ struct sti_vtg {
 struct sti_vtg *of_vtg_find(struct device_node *np)
 {
 	struct platform_device *pdev;
+	struct sti_vtg *vtg;
 
 	pdev = of_find_device_by_node(np);
 	if (!pdev)
 		return NULL;
 
-	return (struct sti_vtg *)platform_get_drvdata(pdev);
+	vtg = platform_get_drvdata(pdev);
+
+	put_device(&pdev->dev);
+
+	return vtg;
 }
 
 static void vtg_reset(struct sti_vtg *vtg)