From 25aaa3a1e5dba6256fd4a548f088ee1ebbc4b5f8 Mon Sep 17 00:00:00 2001
From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Tue, 19 Jan 2016 09:26:48 +0100
Subject: [PATCH] drm: initialize default rotation value to DRM_ROTATE_0
Git-commit: 25aaa3a1e5dba6256fd4a548f088ee1ebbc4b5f8
Patch-mainline: 4.6-rc1
References: bsc#991038

When no console framebuffer is enabled, the default plane state is
defined by plane reset function. If driver uses generic helper, then
rotation property is set to zero. This is not a valid value for that
enum. This patch sets default rotation value to DRM_ROTATE_0.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1453192008-13283-1-git-send-email-m.szyprowski@samsung.com
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/gpu/drm/drm_atomic_helper.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -2480,8 +2480,10 @@ void drm_atomic_helper_plane_reset(struc
 	kfree(plane->state);
 	plane->state = kzalloc(sizeof(*plane->state), GFP_KERNEL);
 
-	if (plane->state)
+	if (plane->state) {
 		plane->state->plane = plane;
+		plane->state->rotation = BIT(DRM_ROTATE_0);
+	}
 }
 EXPORT_SYMBOL(drm_atomic_helper_plane_reset);
 
