From patchwork Mon May 11 01:38:29 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Zhang X-Patchwork-Id: 470581 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id CF8F3140187 for ; Mon, 11 May 2015 11:38:47 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751878AbbEKBiq (ORCPT ); Sun, 10 May 2015 21:38:46 -0400 Received: from hqemgate14.nvidia.com ([216.228.121.143]:11432 "EHLO hqemgate14.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751771AbbEKBip (ORCPT ); Sun, 10 May 2015 21:38:45 -0400 Received: from hqnvupgp08.nvidia.com (Not Verified[216.228.121.13]) by hqemgate14.nvidia.com id ; Sun, 10 May 2015 18:38:46 -0700 Received: from hqemhub03.nvidia.com ([172.20.150.15]) by hqnvupgp08.nvidia.com (PGP Universal service); Sun, 10 May 2015 18:36:30 -0700 X-PGP-Universal: processed; by hqnvupgp08.nvidia.com on Sun, 10 May 2015 18:36:30 -0700 Received: from hqnvemgw01.nvidia.com (172.20.150.20) by HQEMHUB03.nvidia.com (172.20.150.15) with Microsoft SMTP Server id 8.3.342.0; Sun, 10 May 2015 18:38:45 -0700 Received: from markz-hp6200.nvidia.com (Not Verified[10.19.224.127]) by hqnvemgw01.nvidia.com with MailMarshal (v7,1,2,5326) id ; Sun, 10 May 2015 18:38:45 -0700 From: Mark Zhang To: thierry.reding@gmail.com CC: linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [RFC PATCH 10/12] drm: panel: Add idle/busy in Sharp lq101r1sx01 driver Date: Mon, 11 May 2015 09:38:29 +0800 Message-ID: <1431308311-4470-11-git-send-email-markz@nvidia.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1431308311-4470-1-git-send-email-markz@nvidia.com> References: <1431308311-4470-1-git-send-email-markz@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org Signed-off-by: Mark Zhang --- drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c | 26 +++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c b/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c index 654575607864..a0a7c80f23d6 100644 --- a/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c +++ b/drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c @@ -90,6 +90,18 @@ static __maybe_unused int sharp_panel_read(struct sharp_panel *sharp, return err; } +static int sharp_panel_idle(struct drm_panel *panel) +{ + struct sharp_panel *sharp = to_sharp_panel(panel); + int err = 0; + + err = mipi_dsi_dcs_enter_idle_mode(sharp->link1); + if (err < 0) + dev_err(panel->dev, "failed to enter idle: %d\n", err); + + return err; +} + static int sharp_panel_disable(struct drm_panel *panel) { struct sharp_panel *sharp = to_sharp_panel(panel); @@ -168,6 +180,18 @@ static int sharp_setup_symmetrical_split(struct mipi_dsi_device *left, return 0; } +static int sharp_panel_busy(struct drm_panel *panel) +{ + struct sharp_panel *sharp = to_sharp_panel(panel); + int err = 0; + + err = mipi_dsi_dcs_exit_idle_mode(sharp->link1); + if (err < 0) + dev_err(panel->dev, "failed to exit idle: %d\n", err); + + return err; +} + static int sharp_panel_prepare(struct drm_panel *panel) { struct sharp_panel *sharp = to_sharp_panel(panel); @@ -324,6 +348,8 @@ static int sharp_panel_get_modes(struct drm_panel *panel) } static const struct drm_panel_funcs sharp_panel_funcs = { + .idle = sharp_panel_idle, + .busy = sharp_panel_busy, .disable = sharp_panel_disable, .unprepare = sharp_panel_unprepare, .prepare = sharp_panel_prepare,