Am 30.05.26 um 15:59 schrieb Maxime Ripard:
The drm_atomic_helper_bridge_reset() helper is deprecated in favour
of the new atomic_create_state callback.
Add drm_atomic_helper_bridge_create_state() as the counterpart helper
for this new callback.
Signed-off-by: Maxime Ripard <[email protected]>
Reviewed-by: Thomas Zimmermann <[email protected]>
---
drivers/gpu/drm/drm_atomic_state_helper.c | 25 +++++++++++++++++++++++++
include/drm/drm_atomic_state_helper.h | 2 ++
2 files changed, 27 insertions(+)
diff --git a/drivers/gpu/drm/drm_atomic_state_helper.c
b/drivers/gpu/drm/drm_atomic_state_helper.c
index f0688f2d83fe..b99dedbc4140 100644
--- a/drivers/gpu/drm/drm_atomic_state_helper.c
+++ b/drivers/gpu/drm/drm_atomic_state_helper.c
@@ -925,5 +925,30 @@ drm_atomic_helper_bridge_reset(struct drm_bridge *bridge)
__drm_atomic_helper_bridge_state_init(bridge_state, bridge);
return bridge_state;
}
EXPORT_SYMBOL(drm_atomic_helper_bridge_reset);
+
+/**
+ * drm_atomic_helper_bridge_create_state - default
&drm_bridge_funcs.atomic_create_state hook for bridges
+ * @bridge: bridge object
+ *
+ * Allocates and initializes pristine @drm_bridge_state.
+ *
+ * This is useful for drivers that don't subclass @drm_bridge_state.
+ *
+ * RETURNS:
+ * Pointer to new bridge state, or ERR_PTR on failure.
+ */
+struct drm_bridge_state *
+drm_atomic_helper_bridge_create_state(struct drm_bridge *bridge)
+{
+ struct drm_bridge_state *bridge_state;
+
+ bridge_state = kzalloc_obj(*bridge_state);
+ if (!bridge_state)
+ return ERR_PTR(-ENOMEM);
+
+ __drm_atomic_helper_bridge_state_init(bridge_state, bridge);
+ return bridge_state;
+}
+EXPORT_SYMBOL(drm_atomic_helper_bridge_create_state);
diff --git a/include/drm/drm_atomic_state_helper.h
b/include/drm/drm_atomic_state_helper.h
index cbc760598b9e..68c685ad330f 100644
--- a/include/drm/drm_atomic_state_helper.h
+++ b/include/drm/drm_atomic_state_helper.h
@@ -103,6 +103,8 @@ drm_atomic_helper_bridge_duplicate_state(struct drm_bridge
*bridge);
void drm_atomic_helper_bridge_destroy_state(struct drm_bridge *bridge,
struct drm_bridge_state *state);
void __drm_atomic_helper_bridge_state_init(struct drm_bridge_state *state,
struct drm_bridge *bridge);
struct drm_bridge_state *
+drm_atomic_helper_bridge_create_state(struct drm_bridge *bridge);
+struct drm_bridge_state *
drm_atomic_helper_bridge_reset(struct drm_bridge *bridge);
--
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Frankenstr. 146, 90461 Nürnberg, Germany, www.suse.com
GF: Jochen Jaser, Andrew McDonald, Werner Knoblich, (HRB 36809, AG Nürnberg)
