drm: Remove struct drm_driver.lastclose

The lastclose callback in struct drm_driver is unused. Remove it. Also
update documentation.

v2:
- update to use drm_lastclose()
- fix typo in documentation

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20240812083000.337744-9-tzimmermann@suse.de

1 files changed, 0 insertions, 28 deletions

diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index cd37936c3926..02ea4e3248fd 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -229,34 +229,6 @@ struct drm_driver {
 	void (*postclose) (struct drm_device *, struct drm_file *);
 
 	/**
-	 * @lastclose:
-	 *
-	 * Called when the last &struct drm_file has been closed and there's
-	 * currently no userspace client for the &struct drm_device.
-	 *
-	 * Modern drivers should only use this to force-restore the fbdev
-	 * framebuffer using drm_fb_helper_restore_fbdev_mode_unlocked().
-	 * Anything else would indicate there's something seriously wrong.
-	 * Modern drivers can also use this to execute delayed power switching
-	 * state changes, e.g. in conjunction with the :ref:`vga_switcheroo`
-	 * infrastructure.
-	 *
-	 * This is called after @postclose hook has been called.
-	 *
-	 * NOTE:
-	 *
-	 * All legacy drivers use this callback to de-initialize the hardware.
-	 * This is purely because of the shadow-attach model, where the DRM
-	 * kernel driver does not really own the hardware. Instead ownershipe is
-	 * handled with the help of userspace through an inheritedly racy dance
-	 * to set/unset the VT into raw mode.
-	 *
-	 * Legacy drivers initialize the hardware in the @firstopen callback,
-	 * which isn't even called for modern drivers.
-	 */
-	void (*lastclose) (struct drm_device *);
-
-	/**
 	 * @unload:
 	 *
 	 * Reverse the effects of the driver load callback.  Ideally,