Ejemplo n.º 1
0
struct drm_atomic_state *msm_atomic_state_alloc(struct drm_device *dev)
{
	struct msm_kms_state *state = kzalloc(sizeof(*state), GFP_KERNEL);

	if (!state || drm_atomic_state_init(dev, &state->base) < 0) {
		kfree(state);
		return NULL;
	}

	return &state->base;
}
Ejemplo n.º 2
0
/**
 * drm_atomic_state_alloc - allocate atomic state
 * @dev: DRM device
 *
 * This allocates an empty atomic state to track updates.
 */
struct drm_atomic_state *
drm_atomic_state_alloc(struct drm_device *dev)
{
	struct drm_mode_config *config = &dev->mode_config;
	struct drm_atomic_state *state;

	if (!config->funcs->atomic_state_alloc) {
		state = kzalloc(sizeof(*state), GFP_KERNEL);
		if (!state)
			return NULL;
		if (drm_atomic_state_init(dev, state) < 0) {
			kfree(state);
			return NULL;
		}
		return state;
	}

	return config->funcs->atomic_state_alloc(dev);
}