C++ (Cpp) mdss_mdp_display_wait4comp примеры использования

Пример #1

Файл: mdss_mdp_rotator.c Проект: skittime/android_kernel_zte_s2002

static int mdss_mdp_rotator_busy_wait(struct mdss_mdp_rotator_session *rot)
{

	mutex_lock(&rot->lock);
	if (!rot->pipe || !rot->pipe->mixer || !rot->pipe->mixer->ctl) {
		mutex_unlock(&rot->lock);
		return -ENODEV;
	}

	if (rot->busy) {
		struct mdss_mdp_ctl *ctl = rot->pipe->mixer->ctl;
		mdss_mdp_display_wait4comp(ctl);
		rot->busy = false;
		if (ctl->shared_lock)
			mutex_unlock(ctl->shared_lock);
	}
	mutex_unlock(&rot->lock);

	return 0;
}

Пример #2

static int mdss_mdp_rotator_busy_wait(struct mdss_mdp_rotator_session *rot)
{
	struct mdss_mdp_pipe *rot_pipe = NULL;
	struct mdss_mdp_ctl *ctl = NULL;

	rot_pipe = rot->pipe;
	if (!rot_pipe)
		return -ENODEV;

	ctl = rot_pipe->mixer->ctl;
	mutex_lock(&rot->lock);
	if (rot->busy) {
		pr_debug("waiting for rot=%d to complete\n", rot->pipe->num);
		mdss_mdp_display_wait4comp(ctl);
		rot->busy = false;

	}
	mutex_unlock(&rot->lock);

	return 0;
}

Пример #3

Файл: mdss_mdp_rotator.c Проект: maikelwever/senny_kernel-3.4

static int mdss_mdp_rotator_busy_wait(struct mdss_mdp_rotator_session *rot)
{
	struct mdss_mdp_pipe *rot_pipe = NULL;
	struct mdss_mdp_ctl *ctl = NULL;

	rot_pipe = rot->pipe;
	if (!rot_pipe)
		return -ENODEV;

	ctl = rot_pipe->mixer->ctl;
	mutex_lock(&rot->lock);
	if (rot->busy) {
		mdss_mdp_display_wait4comp(ctl);
		rot->busy = false;
		if (ctl->shared_lock)
			mutex_unlock(ctl->shared_lock);
	}
	mdss_mdp_smp_release(rot->pipe);
	mutex_unlock(&rot->lock);

	return 0;
}