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DRM: Armada: implement lastclose() for fbhelper 

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.

Reviewed-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2013-10-27 15:26:33 +00:00
parent 796c8e1c34
commit 2f5ae4901a
3 changed files with 17 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/gpu/drm/armada/armada_drm.h
View File

@ -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);

7
drivers/gpu/drm/armada/armada_drv.c
View File

@ -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,

10
drivers/gpu/drm/armada/armada_fbdev.c
View File

@ -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;