g2d: add error log when no free task slot found

Change-Id: I28d4af981117a26f45b90137338fe7045bc879e4
Signed-off-by: Cho KyongHo <pullip.cho@samsung.com>

diff --git a/drivers/gpu/exynos/g2d/g2d_task.c b/drivers/gpu/exynos/g2d/g2d_task.c
index 53162351ddd57c092645a10ed30a176558d60fd5..580b80bdb653036ca70e42ebb7400c1fc32613ca 100644 (file)
--- a/drivers/gpu/exynos/g2d/g2d_task.c
+++ b/drivers/gpu/exynos/g2d/g2d_task.c
@@ -324,6 +324,8 @@ struct g2d_task *g2d_get_free_task(struct g2d_device *g2d_dev,
        spin_lock_irqsave(&g2d_dev->lock_task, flags);
 
        if (list_empty(taskfree)) {
+               dev_err(g2d_dev->dev, "%s: no free task slot found(hwfc? %d)\n",
+                       __func__, hwfc);
                spin_unlock_irqrestore(&g2d_dev->lock_task, flags);
                return NULL;
        }