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Diffstat (limited to 'include/drm/drm_modeset_lock.h')
-rw-r--r--include/drm/drm_modeset_lock.h20
1 files changed, 18 insertions, 2 deletions
diff --git a/include/drm/drm_modeset_lock.h b/include/drm/drm_modeset_lock.h
index 402aa7a6a05..75a5c45e21c 100644
--- a/include/drm/drm_modeset_lock.h
+++ b/include/drm/drm_modeset_lock.h
@@ -29,7 +29,7 @@
struct drm_modeset_lock;
/**
- * drm_modeset_acquire_ctx - locking context (see ww_acquire_ctx)
+ * struct drm_modeset_acquire_ctx - locking context (see ww_acquire_ctx)
* @ww_ctx: base acquire ctx
* @contended: used internally for -EDEADLK handling
* @locked: list of held locks
@@ -53,10 +53,15 @@ struct drm_modeset_acquire_ctx {
* list of held locks (drm_modeset_lock)
*/
struct list_head locked;
+
+ /**
+ * Trylock mode, use only for panic handlers!
+ */
+ bool trylock_only;
};
/**
- * drm_modeset_lock - used for locking modeset resources.
+ * struct drm_modeset_lock - used for locking modeset resources.
* @mutex: resource locking
* @head: used to hold it's place on state->locked list when
* part of an atomic update
@@ -120,6 +125,17 @@ int drm_modeset_lock_interruptible(struct drm_modeset_lock *lock,
void drm_modeset_unlock(struct drm_modeset_lock *lock);
struct drm_device;
+struct drm_crtc;
+
+void drm_modeset_lock_all(struct drm_device *dev);
+int __drm_modeset_lock_all(struct drm_device *dev, bool trylock);
+void drm_modeset_unlock_all(struct drm_device *dev);
+void drm_modeset_lock_crtc(struct drm_crtc *crtc);
+void drm_modeset_unlock_crtc(struct drm_crtc *crtc);
+void drm_warn_on_modeset_not_all_locked(struct drm_device *dev);
+struct drm_modeset_acquire_ctx *
+drm_modeset_legacy_acquire_ctx(struct drm_crtc *crtc);
+
int drm_modeset_lock_all_crtcs(struct drm_device *dev,
struct drm_modeset_acquire_ctx *ctx);