From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrzej Hajda Subject: [PATCH] drm/exynos/dsi: make te-gpios optional Date: Mon, 13 Mar 2017 16:30:22 +0100 Message-ID: <1489419022-20501-1-git-send-email-a.hajda@samsung.com> References: Return-path: Received: from mailout4.w1.samsung.com ([210.118.77.14]:42414 "EHLO mailout4.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751089AbdCMPae (ORCPT ); Mon, 13 Mar 2017 11:30:34 -0400 Received: from eucas1p1.samsung.com (unknown [182.198.249.206]) by mailout4.w1.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTP id <0OMR00GM8F2UDQ80@mailout4.w1.samsung.com> for linux-samsung-soc@vger.kernel.org; Mon, 13 Mar 2017 15:30:30 +0000 (GMT) Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: Inki Dae , dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org Cc: Andrzej Hajda , Bartlomiej Zolnierkiewicz , Marek Szyprowski 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 --- 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