drm: use getter/setter functions

Use getter and setter functions, for platform_device structures and a
mipi_dsi_device structure.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210209211304.1261740-1-Julia.Lawall@inria.fr

drivers/gpu/drm/aspeed/aspeed_gfx_drv.c

@@ -319,7 +319,7 @@ static int aspeed_gfx_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	dev_set_drvdata(&pdev->dev, priv);
+	platform_set_drvdata(pdev, priv);
 
 	ret = sysfs_create_group(&pdev->dev.kobj, &aspeed_sysfs_attr_group);
 	if (ret)

drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c

@@ -2457,7 +2457,7 @@ static int cdns_mhdp_probe(struct platform_device *pdev)
 
 static int cdns_mhdp_remove(struct platform_device *pdev)
 {
-	struct cdns_mhdp_device *mhdp = dev_get_drvdata(&pdev->dev);
+	struct cdns_mhdp_device *mhdp = platform_get_drvdata(pdev);
 	unsigned long timeout = msecs_to_jiffies(100);
 	bool stop_fw = false;
 	int ret;

drivers/gpu/drm/panel/panel-lvds.c

@@ -244,7 +244,7 @@ static int panel_lvds_probe(struct platform_device *pdev)
 
 static int panel_lvds_remove(struct platform_device *pdev)
 {
-	struct panel_lvds *lvds = dev_get_drvdata(&pdev->dev);
+	struct panel_lvds *lvds = platform_get_drvdata(pdev);
 
 	drm_panel_remove(&lvds->panel);
 

drivers/gpu/drm/panel/panel-seiko-43wvf1g.c

@@ -267,7 +267,7 @@ static int seiko_panel_probe(struct device *dev,
 
 static int seiko_panel_remove(struct platform_device *pdev)
 {
-	struct seiko_panel *panel = dev_get_drvdata(&pdev->dev);
+	struct seiko_panel *panel = platform_get_drvdata(pdev);
 
 	drm_panel_remove(&panel->base);
 	drm_panel_disable(&panel->base);
@@ -277,7 +277,7 @@ static int seiko_panel_remove(struct platform_device *pdev)
 
 static void seiko_panel_shutdown(struct platform_device *pdev)
 {
-	struct seiko_panel *panel = dev_get_drvdata(&pdev->dev);
+	struct seiko_panel *panel = platform_get_drvdata(pdev);
 
 	drm_panel_disable(&panel->base);
 }

drivers/gpu/drm/panel/panel-simple.c

@@ -4800,7 +4800,7 @@ static int panel_simple_dsi_probe(struct mipi_dsi_device *dsi)
 
 	err = mipi_dsi_attach(dsi);
 	if (err) {
-		struct panel_simple *panel = dev_get_drvdata(&dsi->dev);
+		struct panel_simple *panel = mipi_dsi_get_drvdata(dsi);
 
 		drm_panel_remove(&panel->base);
 	}

drivers/gpu/drm/rockchip/rockchip_lvds.c

@@ -725,7 +725,7 @@ static int rockchip_lvds_probe(struct platform_device *pdev)
 
 static int rockchip_lvds_remove(struct platform_device *pdev)
 {
-	struct rockchip_lvds *lvds = dev_get_drvdata(&pdev->dev);
+	struct rockchip_lvds *lvds = platform_get_drvdata(pdev);
 
 	component_del(&pdev->dev, &rockchip_lvds_component_ops);
 	clk_unprepare(lvds->pclk);