drm/atomic: Add __drm_atomic_helper_connector_reset, v2.
This is useful for drivers that subclass connector_state, like tegra. Changes since v1: - Docbook updates. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1451908400-25147-2-git-send-email-maarten.lankhorst@linux.intel.com Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
parent
5350a03124
commit
4cd39917dd
|
@ -2605,6 +2605,28 @@ void drm_atomic_helper_plane_destroy_state(struct drm_plane *plane,
|
|||
}
|
||||
EXPORT_SYMBOL(drm_atomic_helper_plane_destroy_state);
|
||||
|
||||
/**
|
||||
* __drm_atomic_helper_connector_reset - reset state on connector
|
||||
* @connector: drm connector
|
||||
* @conn_state: connector state to assign
|
||||
*
|
||||
* Initializes the newly allocated @conn_state and assigns it to
|
||||
* #connector ->state, usually required when initializing the drivers
|
||||
* or when called from the ->reset hook.
|
||||
*
|
||||
* This is useful for drivers that subclass the connector state.
|
||||
*/
|
||||
void
|
||||
__drm_atomic_helper_connector_reset(struct drm_connector *connector,
|
||||
struct drm_connector_state *conn_state)
|
||||
{
|
||||
if (conn_state)
|
||||
conn_state->connector = connector;
|
||||
|
||||
connector->state = conn_state;
|
||||
}
|
||||
EXPORT_SYMBOL(__drm_atomic_helper_connector_reset);
|
||||
|
||||
/**
|
||||
* drm_atomic_helper_connector_reset - default ->reset hook for connectors
|
||||
* @connector: drm connector
|
||||
|
@ -2615,11 +2637,11 @@ EXPORT_SYMBOL(drm_atomic_helper_plane_destroy_state);
|
|||
*/
|
||||
void drm_atomic_helper_connector_reset(struct drm_connector *connector)
|
||||
{
|
||||
kfree(connector->state);
|
||||
connector->state = kzalloc(sizeof(*connector->state), GFP_KERNEL);
|
||||
struct drm_connector_state *conn_state =
|
||||
kzalloc(sizeof(*conn_state), GFP_KERNEL);
|
||||
|
||||
if (connector->state)
|
||||
connector->state->connector = connector;
|
||||
kfree(connector->state);
|
||||
__drm_atomic_helper_connector_reset(connector, conn_state);
|
||||
}
|
||||
EXPORT_SYMBOL(drm_atomic_helper_connector_reset);
|
||||
|
||||
|
|
|
@ -126,6 +126,8 @@ void __drm_atomic_helper_plane_destroy_state(struct drm_plane *plane,
|
|||
void drm_atomic_helper_plane_destroy_state(struct drm_plane *plane,
|
||||
struct drm_plane_state *state);
|
||||
|
||||
void __drm_atomic_helper_connector_reset(struct drm_connector *connector,
|
||||
struct drm_connector_state *conn_state);
|
||||
void drm_atomic_helper_connector_reset(struct drm_connector *connector);
|
||||
void
|
||||
__drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector,
|
||||
|
|
Loading…
Reference in a new issue