drm/exynos: remove drm_dev from struct exynos_drm_manager

manager-drm_dev is only accessed by exynos_drm_crtc_create() so this patch
pass drm_dev as argument on exynos_drm_crtc_create() and remove it from
struct exynos_drm_manager.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

drivers/gpu/drm/exynos/exynos_drm_crtc.c

@@ -299,12 +299,13 @@ static void exynos_drm_crtc_attach_mode_property(struct drm_crtc *crtc)
 	drm_object_attach_property(&crtc->base, prop, 0);
 }
 
-int exynos_drm_crtc_create(struct exynos_drm_manager *manager, int pipe,
+int exynos_drm_crtc_create(struct exynos_drm_manager *manager,
+			   struct drm_device *drm_dev, int pipe,
 			   enum exynos_drm_output_type type)
 {
 	struct exynos_drm_crtc *exynos_crtc;
 	struct drm_plane *plane;
-	struct exynos_drm_private *private = manager->drm_dev->dev_private;
+	struct exynos_drm_private *private = drm_dev->dev_private;
 	struct drm_crtc *crtc;
 	int ret;
 
@@ -319,7 +320,7 @@ int exynos_drm_crtc_create(struct exynos_drm_manager *manager, int pipe,
 	exynos_crtc->manager = manager;
 	exynos_crtc->pipe = pipe;
 	exynos_crtc->type = type;
-	plane = exynos_plane_init(manager->drm_dev, 1 << pipe,
+	plane = exynos_plane_init(drm_dev, 1 << pipe,
 				  DRM_PLANE_TYPE_PRIMARY);
 	if (IS_ERR(plane)) {
 		ret = PTR_ERR(plane);
@@ -331,7 +332,7 @@ int exynos_drm_crtc_create(struct exynos_drm_manager *manager, int pipe,
 
 	private->crtc[pipe] = crtc;
 
-	ret = drm_crtc_init_with_planes(manager->drm_dev, crtc, plane, NULL,
+	ret = drm_crtc_init_with_planes(drm_dev, crtc, plane, NULL,
 					&exynos_crtc_funcs);
 	if (ret < 0)
 		goto err_crtc;

drivers/gpu/drm/exynos/exynos_drm_crtc.h

@@ -17,7 +17,8 @@
 
 #include "exynos_drm_drv.h"
 
-int exynos_drm_crtc_create(struct exynos_drm_manager *manager, int pipe,
+int exynos_drm_crtc_create(struct exynos_drm_manager *manager,
+			   struct drm_device *drm_dev, int pipe,
 			   enum exynos_drm_output_type type);
 int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int pipe);
 void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int pipe);

drivers/gpu/drm/exynos/exynos_drm_drv.h

@@ -211,7 +211,6 @@ struct exynos_drm_manager_ops {
  */
 struct exynos_drm_manager {
 	struct list_head list;
-	struct drm_device *drm_dev;
 	struct drm_crtc *crtc;
 	struct exynos_drm_manager_ops *ops;
 };

drivers/gpu/drm/exynos/exynos_drm_fimd.c

@@ -298,7 +298,7 @@ static int fimd_mgr_initialize(struct exynos_drm_manager *mgr,
 	struct exynos_drm_private *priv;
 	priv = drm_dev->dev_private;
 
-	mgr->drm_dev = ctx->drm_dev = drm_dev;
+	ctx->drm_dev = drm_dev;
 	ctx->pipe = priv->pipe++;
 
 	/* attach this sub driver to iommu mapping if supported. */
@@ -1076,7 +1076,7 @@ static int fimd_bind(struct device *dev, struct device *master, void *data)
 	struct drm_device *drm_dev = data;
 
 	fimd_mgr_initialize(&ctx->manager, drm_dev);
-	exynos_drm_crtc_create(&ctx->manager, ctx->pipe,
+	exynos_drm_crtc_create(&ctx->manager, drm_dev, ctx->pipe,
 			       EXYNOS_DISPLAY_TYPE_LCD);
 	if (ctx->display)
 		exynos_drm_create_enc_conn(drm_dev, ctx->display);

drivers/gpu/drm/exynos/exynos_drm_vidi.c

@@ -301,7 +301,7 @@ static int vidi_mgr_initialize(struct exynos_drm_manager *mgr,
 	struct vidi_context *ctx = manager_to_vidi(mgr);
 	struct exynos_drm_private *priv = drm_dev->dev_private;
 
-	mgr->drm_dev = ctx->drm_dev = drm_dev;
+	ctx->drm_dev = drm_dev;
 	ctx->pipe = priv->pipe++;
 
 	return 0;
@@ -558,7 +558,7 @@ static int vidi_bind(struct device *dev, struct device *master, void *data)
 
 	vidi_mgr_initialize(&ctx->manager, drm_dev);
 
-	ret = exynos_drm_crtc_create(&ctx->manager, ctx->pipe,
+	ret = exynos_drm_crtc_create(&ctx->manager, drm_dev, ctx->pipe,
 				     EXYNOS_DISPLAY_TYPE_VIDI);
 	if (ret) {
 		DRM_ERROR("failed to create crtc.\n");

drivers/gpu/drm/exynos/exynos_mixer.c

@@ -862,7 +862,7 @@ static int mixer_initialize(struct exynos_drm_manager *mgr,
 	struct exynos_drm_private *priv;
 	priv = drm_dev->dev_private;
 
-	mgr->drm_dev = mixer_ctx->drm_dev = drm_dev;
+	mixer_ctx->drm_dev = drm_dev;
 	mixer_ctx->pipe = priv->pipe++;
 
 	/* acquire resources: regs, irqs, clocks */
@@ -1261,7 +1261,7 @@ static int mixer_bind(struct device *dev, struct device *manager, void *data)
 	if (ret)
 		return ret;
 
-	ret = exynos_drm_crtc_create(&ctx->manager, ctx->pipe,
+	ret = exynos_drm_crtc_create(&ctx->manager, drm_dev, ctx->pipe,
 				     EXYNOS_DISPLAY_TYPE_HDMI);
 	if (ret) {
 		mixer_mgr_remove(&ctx->manager);