#include <drm/drmP.h>
#include <drm/drm_atomic.h>
#include <drm/drm_mode.h>
-#include <drm/drm_plane_helper.h>
#include <drm/drm_print.h>
#include <linux/sync_file.h>
}
for (i = 0; i < state->num_private_objs; i++) {
- void *obj_state = state->private_objs[i].obj_state;
+ struct drm_private_obj *obj = state->private_objs[i].ptr;
- state->private_objs[i].funcs->destroy_state(obj_state);
- state->private_objs[i].obj = NULL;
- state->private_objs[i].obj_state = NULL;
- state->private_objs[i].funcs = NULL;
+ if (!obj)
+ continue;
+
+ obj->funcs->atomic_destroy_state(obj,
+ state->private_objs[i].state);
+ state->private_objs[i].ptr = NULL;
+ state->private_objs[i].state = NULL;
}
state->num_private_objs = 0;
}
EXPORT_SYMBOL(drm_atomic_set_mode_prop_for_crtc);
-/**
- * drm_atomic_replace_property_blob - replace a blob property
- * @blob: a pointer to the member blob to be replaced
- * @new_blob: the new blob to replace with
- * @replaced: whether the blob has been replaced
- *
- * RETURNS:
- * Zero on success, error code on failure
- */
-static void
-drm_atomic_replace_property_blob(struct drm_property_blob **blob,
- struct drm_property_blob *new_blob,
- bool *replaced)
-{
- struct drm_property_blob *old_blob = *blob;
-
- if (old_blob == new_blob)
- return;
-
- drm_property_blob_put(old_blob);
- if (new_blob)
- drm_property_blob_get(new_blob);
- *blob = new_blob;
- *replaced = true;
-
- return;
-}
-
static int
drm_atomic_replace_property_blob_from_id(struct drm_device *dev,
struct drm_property_blob **blob,
}
}
- drm_atomic_replace_property_blob(blob, new_blob, replaced);
+ *replaced |= drm_property_replace_blob(blob, new_blob);
drm_property_blob_put(new_blob);
return 0;
* RETURNS:
* Zero on success, error code on failure
*/
-int drm_atomic_plane_set_property(struct drm_plane *plane,
+static int drm_atomic_plane_set_property(struct drm_plane *plane,
struct drm_plane_state *state, struct drm_property *property,
uint64_t val)
{
return 0;
}
-EXPORT_SYMBOL(drm_atomic_plane_set_property);
/**
* drm_atomic_plane_get_property - get property value from plane state
}
/**
+ * drm_atomic_private_obj_init - initialize private object
+ * @obj: private object
+ * @state: initial private object state
+ * @funcs: pointer to the struct of function pointers that identify the object
+ * type
+ *
+ * Initialize the private object, which can be embedded into any
+ * driver private object that needs its own atomic state.
+ */
+void
+drm_atomic_private_obj_init(struct drm_private_obj *obj,
+ struct drm_private_state *state,
+ const struct drm_private_state_funcs *funcs)
+{
+ memset(obj, 0, sizeof(*obj));
+
+ obj->state = state;
+ obj->funcs = funcs;
+}
+EXPORT_SYMBOL(drm_atomic_private_obj_init);
+
+/**
+ * drm_atomic_private_obj_fini - finalize private object
+ * @obj: private object
+ *
+ * Finalize the private object.
+ */
+void
+drm_atomic_private_obj_fini(struct drm_private_obj *obj)
+{
+ obj->funcs->atomic_destroy_state(obj, obj->state);
+}
+EXPORT_SYMBOL(drm_atomic_private_obj_fini);
+
+/**
* drm_atomic_get_private_obj_state - get private object state
* @state: global atomic state
* @obj: private object to get the state for
- * @funcs: pointer to the struct of function pointers that identify the object
- * type
*
* This function returns the private object state for the given private object,
* allocating the state if needed. It does not grab any locks as the caller is
*
* Either the allocated state or the error code encoded into a pointer.
*/
-void *
-drm_atomic_get_private_obj_state(struct drm_atomic_state *state, void *obj,
- const struct drm_private_state_funcs *funcs)
+struct drm_private_state *
+drm_atomic_get_private_obj_state(struct drm_atomic_state *state,
+ struct drm_private_obj *obj)
{
int index, num_objs, i;
size_t size;
struct __drm_private_objs_state *arr;
+ struct drm_private_state *obj_state;
for (i = 0; i < state->num_private_objs; i++)
- if (obj == state->private_objs[i].obj &&
- state->private_objs[i].obj_state)
- return state->private_objs[i].obj_state;
+ if (obj == state->private_objs[i].ptr)
+ return state->private_objs[i].state;
num_objs = state->num_private_objs + 1;
size = sizeof(*state->private_objs) * num_objs;
index = state->num_private_objs;
memset(&state->private_objs[index], 0, sizeof(*state->private_objs));
- state->private_objs[index].obj_state = funcs->duplicate_state(state, obj);
- if (!state->private_objs[index].obj_state)
+ obj_state = obj->funcs->atomic_duplicate_state(obj);
+ if (!obj_state)
return ERR_PTR(-ENOMEM);
- state->private_objs[index].obj = obj;
- state->private_objs[index].funcs = funcs;
+ state->private_objs[index].state = obj_state;
+ state->private_objs[index].old_state = obj->state;
+ state->private_objs[index].new_state = obj_state;
+ state->private_objs[index].ptr = obj;
+
state->num_private_objs = num_objs;
- DRM_DEBUG_ATOMIC("Added new private object state %p to %p\n",
- state->private_objs[index].obj_state, state);
+ DRM_DEBUG_ATOMIC("Added new private object %p state %p to %p\n",
+ obj, obj_state, state);
- return state->private_objs[index].obj_state;
+ return obj_state;
}
EXPORT_SYMBOL(drm_atomic_get_private_obj_state);
* RETURNS:
* Zero on success, error code on failure
*/
-int drm_atomic_connector_set_property(struct drm_connector *connector,
+static int drm_atomic_connector_set_property(struct drm_connector *connector,
struct drm_connector_state *state, struct drm_property *property,
uint64_t val)
{
return 0;
}
-EXPORT_SYMBOL(drm_atomic_connector_set_property);
static void drm_atomic_connector_print_state(struct drm_printer *p,
const struct drm_connector_state *state)
EXPORT_SYMBOL(drm_atomic_add_affected_planes);
/**
- * drm_atomic_legacy_backoff - locking backoff for legacy ioctls
- * @state: atomic state
- *
- * This function should be used by legacy entry points which don't understand
- * -EDEADLK semantics. For simplicity this one will grab all modeset locks after
- * the slowpath completed.
- */
-void drm_atomic_legacy_backoff(struct drm_atomic_state *state)
-{
- struct drm_device *dev = state->dev;
- int ret;
- bool global = false;
-
- if (WARN_ON(dev->mode_config.acquire_ctx == state->acquire_ctx)) {
- global = true;
-
- dev->mode_config.acquire_ctx = NULL;
- }
-
-retry:
- drm_modeset_backoff(state->acquire_ctx);
-
- ret = drm_modeset_lock_all_ctx(dev, state->acquire_ctx);
- if (ret)
- goto retry;
-
- if (global)
- dev->mode_config.acquire_ctx = state->acquire_ctx;
-}
-EXPORT_SYMBOL(drm_atomic_legacy_backoff);
-
-/**
* drm_atomic_check_only - check whether a given config would work
* @state: atomic configuration to check
*
return e;
}
-static int atomic_set_prop(struct drm_atomic_state *state,
- struct drm_mode_object *obj, struct drm_property *prop,
- uint64_t prop_value)
+int drm_atomic_connector_commit_dpms(struct drm_atomic_state *state,
+ struct drm_connector *connector,
+ int mode)
+{
+ struct drm_connector *tmp_connector;
+ struct drm_connector_state *new_conn_state;
+ struct drm_crtc *crtc;
+ struct drm_crtc_state *crtc_state;
+ int i, ret, old_mode = connector->dpms;
+ bool active = false;
+
+ ret = drm_modeset_lock(&state->dev->mode_config.connection_mutex,
+ state->acquire_ctx);
+ if (ret)
+ return ret;
+
+ if (mode != DRM_MODE_DPMS_ON)
+ mode = DRM_MODE_DPMS_OFF;
+ connector->dpms = mode;
+
+ crtc = connector->state->crtc;
+ if (!crtc)
+ goto out;
+ ret = drm_atomic_add_affected_connectors(state, crtc);
+ if (ret)
+ goto out;
+
+ crtc_state = drm_atomic_get_crtc_state(state, crtc);
+ if (IS_ERR(crtc_state)) {
+ ret = PTR_ERR(crtc_state);
+ goto out;
+ }
+
+ for_each_new_connector_in_state(state, tmp_connector, new_conn_state, i) {
+ if (new_conn_state->crtc != crtc)
+ continue;
+ if (tmp_connector->dpms == DRM_MODE_DPMS_ON) {
+ active = true;
+ break;
+ }
+ }
+
+ crtc_state->active = active;
+ ret = drm_atomic_commit(state);
+out:
+ if (ret != 0)
+ connector->dpms = old_mode;
+ return ret;
+}
+
+int drm_atomic_set_property(struct drm_atomic_state *state,
+ struct drm_mode_object *obj,
+ struct drm_property *prop,
+ uint64_t prop_value)
{
struct drm_mode_object *ref;
int ret;
{
struct drm_crtc *crtc;
struct drm_crtc_state *crtc_state;
- int i, ret;
+ int i, c = 0, ret;
if (arg->flags & DRM_MODE_ATOMIC_TEST_ONLY)
return 0;
crtc_state->event->base.fence = fence;
}
+
+ c++;
}
+ /*
+ * Having this flag means user mode pends on event which will never
+ * reach due to lack of at least one CRTC for signaling
+ */
+ if (c == 0 && (arg->flags & DRM_MODE_PAGE_FLIP_EVENT))
+ return -EINVAL;
+
return 0;
}
goto out;
}
- ret = atomic_set_prop(state, obj, prop, prop_value);
+ ret = drm_atomic_set_property(state, obj, prop,
+ prop_value);
if (ret) {
drm_mode_object_put(obj);
goto out;
projects / platform / kernel / linux-starfive.git / blobdiff