static void tegra_overlay_put_locked(struct overlay_client *client, int idx)
{
struct tegra_overlay_flip_args flip_args;
struct tegra_overlay_info *dev = client->dev;
if (idx < 0 || idx > dev->dc->n_windows)
return;
if (dev->overlays[idx].owner != client)
return;
dev_dbg(&client->dev->ndev->dev,
"%s(): idx=%d pid=%d comm=%s\n",
__func__, idx, client->task->pid, client->task->comm);
dev->overlays[idx].owner = NULL;
flip_args.win[0].index = idx;
flip_args.win[0].buff_id = 0;
flip_args.win[1].index = -1;
flip_args.win[2].index = -1;
flip_args.flags = 0;
tegra_overlay_flip(dev, &flip_args, NULL);
if (dev->dc->mode.pclk != 0)
tegra_overlay_set_emc_freq(dev);
}
static int tegra_overlay_ioctl_flip(struct overlay_client *client,
void __user *arg)
{
int i = 0;
int idx = 0;
int err;
bool found_one = false;
struct tegra_overlay_flip_args flip_args;
mutex_lock(&client->dev->dc->lock);
if (!client->dev->dc->enabled) {
mutex_unlock(&client->dev->dc->lock);
return -EPIPE;
}
mutex_unlock(&client->dev->dc->lock);
if (copy_from_user(&flip_args, arg, sizeof(flip_args)))
return -EFAULT;
for (i = 0; i < TEGRA_FB_FLIP_N_WINDOWS; i++) {
idx = flip_args.win[i].index;
if (idx == -1) {
flip_args.win[i].buff_id = 0;
continue;
}
if (idx < 0 || idx > client->dev->dc->n_windows) {
dev_err(&client->dev->ndev->dev,
"Flipping an invalid overlay! %d\n", idx);
flip_args.win[i].index = -1;
flip_args.win[i].buff_id = 0;
continue;
}
if (client->dev->overlays[idx].owner != client) {
dev_err(&client->dev->ndev->dev,
"Flipping a non-owned overlay! %d\n", idx);
flip_args.win[i].index = -1;
flip_args.win[i].buff_id = 0;
continue;
}
found_one = true;
}
if (!found_one)
return -EFAULT;
err = tegra_overlay_flip(client->dev, &flip_args, client->user_nvmap);
if (err)
return err;
if (copy_to_user(arg, &flip_args, sizeof(flip_args)))
return -EFAULT;
return 0;
}
static void tegra_overlay_put_locked(struct overlay_client *client, int idx)
{
struct tegra_overlay_flip_args flip_args;
struct tegra_overlay_info *dev = client->dev;
if (idx < 0 || idx > dev->dc->n_windows)
return;
if (dev->overlays[idx].owner != client)
return;
dev->overlays[idx].owner = NULL;
flip_args.win[0].index = idx;
flip_args.win[0].buff_id = 0;
flip_args.win[1].index = -1;
flip_args.win[2].index = -1;
tegra_overlay_flip(dev, &flip_args, NULL);
}
