From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Mon, 19 Dec 2011 22:06:43 +0000 (+0200)
Subject: drm: plane: Clear plane.crtc and plane.fb after disable_plane()
X-Git-Tag: upstream/snapshot3+hdmi~8389^2~78
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e5e3b44c676be2dac97efd94e581e14a073e4ca7;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

drm: plane: Clear plane.crtc and plane.fb after disable_plane()

These are the only indication to user space that the plane was disabled.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index e05d997..d9bf9d8 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -1684,6 +1684,8 @@ int drm_mode_setplane(struct drm_device *dev, void *data,
 	/* No fb means shut it down */
 	if (!plane_req->fb_id) {
 		plane->funcs->disable_plane(plane);
+		plane->crtc = NULL;
+		plane->fb = NULL;
 		goto out;
 	}