Call drm_fb_helper_restore_fbdev_mode() upon last close so that in the
event of the X server crashing, we have some kind of mode restored.
Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>
---
drivers/gpu/drm/armada/armada_drm.h | 1 +
drivers/gpu/drm/armada/armada_drv.c | 7 ++++++-
drivers/gpu/drm/armada/armada_fbdev.c | 10 ++++++++++
3 files changed, 17 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/armada/armada_drm.h
b/drivers/gpu/drm/armada/armada_drm.h
index eef09ec9a5ff..a72cae03b99b 100644
--- a/drivers/gpu/drm/armada/armada_drm.h
+++ b/drivers/gpu/drm/armada/armada_drm.h
@@ -103,6 +103,7 @@ void armada_drm_queue_unref_work(struct drm_device *,
extern const struct drm_mode_config_funcs armada_drm_mode_config_funcs;
int armada_fbdev_init(struct drm_device *);
+void armada_fbdev_lastclose(struct drm_device *);
void armada_fbdev_fini(struct drm_device *);
int armada_overlay_plane_create(struct drm_device *, unsigned long);
diff --git a/drivers/gpu/drm/armada/armada_drv.c
b/drivers/gpu/drm/armada/armada_drv.c
index 7aede900a221..15425d23c9cc 100644
--- a/drivers/gpu/drm/armada/armada_drv.c
+++ b/drivers/gpu/drm/armada/armada_drv.c
@@ -321,6 +321,11 @@ static struct drm_ioctl_desc armada_ioctls[] = {
DRM_UNLOCKED),
};
+static void armada_drm_lastclose(struct drm_device *dev)
+{
+ armada_fbdev_lastclose(dev);
+}
+
static const struct file_operations armada_drm_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
@@ -337,7 +342,7 @@ static struct drm_driver armada_drm_driver = {
.open = NULL,
.preclose = NULL,
.postclose = NULL,
- .lastclose = NULL,
+ .lastclose = armada_drm_lastclose,
.unload = armada_drm_unload,
.get_vblank_counter = drm_vblank_count,
.enable_vblank = armada_drm_enable_vblank,
diff --git a/drivers/gpu/drm/armada/armada_fbdev.c
b/drivers/gpu/drm/armada/armada_fbdev.c
index dd5ea77dac96..743570e99f90 100644
--- a/drivers/gpu/drm/armada/armada_fbdev.c
+++ b/drivers/gpu/drm/armada/armada_fbdev.c
@@ -177,6 +177,16 @@ int armada_fbdev_init(struct drm_device *dev)
return ret;
}
+void armada_fbdev_lastclose(struct drm_device *dev)
+{
+ struct armada_private *priv = dev->dev_private;
+
+ drm_modeset_lock_all(dev);
+ if (priv->fbdev)
+ drm_fb_helper_restore_fbdev_mode(priv->fbdev);
+ drm_modeset_unlock_all(dev);
+}
+
void armada_fbdev_fini(struct drm_device *dev)
{
struct armada_private *priv = dev->dev_private;
--
1.7.4.4
