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path: root/drivers/gpu/drm/vmwgfx/ttm_lock.h
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Diffstat (limited to 'drivers/gpu/drm/vmwgfx/ttm_lock.h')
-rw-r--r--drivers/gpu/drm/vmwgfx/ttm_lock.h32
1 files changed, 1 insertions, 31 deletions
diff --git a/drivers/gpu/drm/vmwgfx/ttm_lock.h b/drivers/gpu/drm/vmwgfx/ttm_lock.h
index 0c3af9836863..af8b28ca546f 100644
--- a/drivers/gpu/drm/vmwgfx/ttm_lock.h
+++ b/drivers/gpu/drm/vmwgfx/ttm_lock.h
@@ -49,8 +49,8 @@
#ifndef _TTM_LOCK_H_
#define _TTM_LOCK_H_
-#include <linux/wait.h>
#include <linux/atomic.h>
+#include <linux/wait.h>
#include "ttm_object.h"
@@ -63,8 +63,6 @@
* @lock: Spinlock protecting some lock members.
* @rw: Read-write lock counter. Protected by @lock.
* @flags: Lock state. Protected by @lock.
- * @kill_takers: Boolean whether to kill takers of the lock.
- * @signal: Signal to send when kill_takers is true.
*/
struct ttm_lock {
@@ -73,9 +71,6 @@ struct ttm_lock {
spinlock_t lock;
int32_t rw;
uint32_t flags;
- bool kill_takers;
- int signal;
- struct ttm_object_file *vt_holder;
};
@@ -220,29 +215,4 @@ extern void ttm_write_unlock(struct ttm_lock *lock);
*/
extern int ttm_write_lock(struct ttm_lock *lock, bool interruptible);
-/**
- * ttm_lock_set_kill
- *
- * @lock: Pointer to a struct ttm_lock
- * @val: Boolean whether to kill processes taking the lock.
- * @signal: Signal to send to the process taking the lock.
- *
- * The kill-when-taking-lock functionality is used to kill processes that keep
- * on using the TTM functionality when its resources has been taken down, for
- * example when the X server exits. A typical sequence would look like this:
- * - X server takes lock in write mode.
- * - ttm_lock_set_kill() is called with @val set to true.
- * - As part of X server exit, TTM resources are taken down.
- * - X server releases the lock on file release.
- * - Another dri client wants to render, takes the lock and is killed.
- *
- */
-static inline void ttm_lock_set_kill(struct ttm_lock *lock, bool val,
- int signal)
-{
- lock->kill_takers = val;
- if (val)
- lock->signal = signal;
-}
-
#endif