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>
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 50ae1e3d..c8adcf2 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -862,7 +862,7 @@
 	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 @@
 	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);