Move the fb-helper clean-up code into drm_fb_helper_unprepare(). No
functional changes.
v2:
* declare as static inline (kernel test robot)
Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
---
drivers/gpu/drm/drm_fb_helper.c | 14 +++++++++++++-
include/drm/drm_fb_helper.h | 5 +++++
2 files changed, 18 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index c5c13e192b64..4379bcd7718b 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -435,6 +435,18 @@ void drm_fb_helper_prepare(struct drm_device *dev, struct drm_fb_helper *helper,
}
EXPORT_SYMBOL(drm_fb_helper_prepare);
+/**
+ * drm_fb_helper_unprepare - clean up a drm_fb_helper structure
+ * @fb_helper: driver-allocated fbdev helper structure to set up
+ *
+ * Cleans up the framebuffer helper. Inverse of drm_fb_helper_prepare().
+ */
+void drm_fb_helper_unprepare(struct drm_fb_helper *fb_helper)
+{
+ mutex_destroy(&fb_helper->lock);
+}
+EXPORT_SYMBOL(drm_fb_helper_unprepare);
+
/**
* drm_fb_helper_init - initialize a &struct drm_fb_helper
* @dev: drm device
@@ -561,7 +573,7 @@ void drm_fb_helper_fini(struct drm_fb_helper *fb_helper)
}
mutex_unlock(&kernel_fb_helper_lock);
- mutex_destroy(&fb_helper->lock);
+ drm_fb_helper_unprepare(fb_helper);
if (!fb_helper->client.funcs)
drm_client_release(&fb_helper->client);
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index f443e1f11654..39710c570a04 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -230,6 +230,7 @@ drm_fb_helper_from_client(struct drm_client_dev *client)
#ifdef CONFIG_DRM_FBDEV_EMULATION
void drm_fb_helper_prepare(struct drm_device *dev, struct drm_fb_helper *helper,
const struct drm_fb_helper_funcs *funcs);
+void drm_fb_helper_unprepare(struct drm_fb_helper *fb_helper);
int drm_fb_helper_init(struct drm_device *dev, struct drm_fb_helper *helper);
void drm_fb_helper_fini(struct drm_fb_helper *helper);
int drm_fb_helper_blank(int blank, struct fb_info *info);
@@ -296,6 +297,10 @@ static inline void drm_fb_helper_prepare(struct drm_device *dev,
{
}
+static inline void drm_fb_helper_unprepare(struct drm_fb_helper *fb_helper)
+{
+}
+
static inline int drm_fb_helper_init(struct drm_device *dev,
struct drm_fb_helper *helper)
{
--
2.39.0
