From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6E55AC433E1 for ; Wed, 1 Jul 2020 16:30:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4ED6320890 for ; Wed, 1 Jul 2020 16:30:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=megous.com header.i=@megous.com header.b="tggq4Iap" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732392AbgGAQaL (ORCPT ); Wed, 1 Jul 2020 12:30:11 -0400 Received: from vps.xff.cz ([195.181.215.36]:52358 "EHLO vps.xff.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732393AbgGAQ3i (ORCPT ); Wed, 1 Jul 2020 12:29:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=megous.com; s=mail; t=1593620975; bh=xHG5qJNwJythr0yZAk0g86hoDZe3XW6J8JdaM3wh/Nw=; h=From:To:Cc:Subject:Date:References:From; b=tggq4IapBHxpnVXBDxWfiqOZwMos+DoXidEnSOW9FAAfQ2gfDy0hsC0MadCscT58R xXLBhRy/l60FNCcFW33qflNZOnM3XH4AcGO/tNGHUFzcgINoNSzoNHwmuQ6fg1nA0B 5X/Tn7BuGdydU8bb68mBB+MPR9JrpP5q9yLMzQ6Q= From: Ondrej Jirman To: linux-sunxi@googlegroups.com, Thierry Reding , Sam Ravnborg , David Airlie , Daniel Vetter , =?UTF-8?q?Guido=20G=C3=BCnther?= , Purism Kernel Team , Rob Herring , Maxime Ripard , Chen-Yu Tsai , Linus Walleij , Icenowy Zheng Cc: Ondrej Jirman , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Samuel Holland , Martijn Braam , Luca Weiss , Bhushan Shah Subject: [PATCH v7 10/13] drm/panel: st7703: Enter sleep after display off Date: Wed, 1 Jul 2020 18:29:25 +0200 Message-Id: <20200701162928.1638874-11-megous@megous.com> In-Reply-To: <20200701162928.1638874-1-megous@megous.com> References: <20200701162928.1638874-1-megous@megous.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The datasheet suggests to issue sleep in after display off as a part of the panel's shutdown sequence. Signed-off-by: Ondrej Jirman Reviewed-by: Linus Walleij --- drivers/gpu/drm/panel/panel-sitronix-st7703.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7703.c b/drivers/gpu/drm/panel/panel-sitronix-st7703.c index dadb482b244d..7750179bca60 100644 --- a/drivers/gpu/drm/panel/panel-sitronix-st7703.c +++ b/drivers/gpu/drm/panel/panel-sitronix-st7703.c @@ -393,8 +393,19 @@ static int st7703_disable(struct drm_panel *panel) { struct st7703 *ctx = panel_to_st7703(panel); struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); + int ret; + + ret = mipi_dsi_dcs_set_display_off(dsi); + if (ret < 0) + DRM_DEV_ERROR(ctx->dev, + "Failed to turn off the display: %d\n", ret); - return mipi_dsi_dcs_set_display_off(dsi); + ret = mipi_dsi_dcs_enter_sleep_mode(dsi); + if (ret < 0) + DRM_DEV_ERROR(ctx->dev, + "Failed to enter sleep mode: %d\n", ret); + + return 0; } static int st7703_unprepare(struct drm_panel *panel) -- 2.27.0