In case of HW-TRIGGER te-gpios interrupt is not necessary. With this
patch we can get rid of 60 interrupt callbacks per second.

Signed-off-by: Andrzej Hajda <[email protected]>
---
 drivers/gpu/drm/exynos/exynos_drm_dsi.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c 
b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index 812e2ec..f95fac5 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1349,9 +1349,8 @@ static int exynos_dsi_register_te_irq(struct exynos_dsi 
*dsi)
 
        dsi->te_gpio = of_get_named_gpio(dsi->panel_node, "te-gpios", 0);
        if (!gpio_is_valid(dsi->te_gpio)) {
-               dev_err(dsi->dev, "no te-gpios specified\n");
-               ret = dsi->te_gpio;
-               goto out;
+               dev_info(dsi->dev, "no te-gpios specified\n");
+               return 0;
        }
 
        ret = gpio_request(dsi->te_gpio, "te_gpio");
-- 
2.7.4

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