From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757529AbcH3Gzb (ORCPT ); Tue, 30 Aug 2016 02:55:31 -0400 Received: from mail-pf0-f193.google.com ([209.85.192.193]:33303 "EHLO mail-pf0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757490AbcH3Gz2 (ORCPT ); Tue, 30 Aug 2016 02:55:28 -0400 From: Jonathan Liu To: Maxime Ripard Cc: David Airlie , Chen-Yu Tsai , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, Jonathan Liu Subject: [PATCH] drm/sun4i: rgb: add missing calls to drm_panel_{prepare,unprepare} Date: Tue, 30 Aug 2016 16:55:00 +1000 Message-Id: <20160830065500.31847-1-net147@gmail.com> X-Mailer: git-send-email 2.9.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If the enable-gpios property of a simple panel in device tree is set, the GPIO is not toggled on/off because of missing calls to drm_panel_prepare and drm_panel_unprepare. Signed-off-by: Jonathan Liu --- drivers/gpu/drm/sun4i/sun4i_rgb.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/sun4i/sun4i_rgb.c b/drivers/gpu/drm/sun4i/sun4i_rgb.c index f5bbac6..d6943e9 100644 --- a/drivers/gpu/drm/sun4i/sun4i_rgb.c +++ b/drivers/gpu/drm/sun4i/sun4i_rgb.c @@ -151,6 +151,7 @@ static void sun4i_rgb_encoder_enable(struct drm_encoder *encoder) DRM_DEBUG_DRIVER("Enabling RGB output\n"); + drm_panel_prepare(tcon->panel); drm_panel_enable(tcon->panel); sun4i_tcon_channel_enable(tcon, 0); } @@ -165,6 +166,7 @@ static void sun4i_rgb_encoder_disable(struct drm_encoder *encoder) sun4i_tcon_channel_disable(tcon, 0); drm_panel_disable(tcon->panel); + drm_panel_unprepare(tcon->panel); } static void sun4i_rgb_encoder_mode_set(struct drm_encoder *encoder, -- 2.9.3