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=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 342CAC6778D for ; Mon, 2 Jul 2018 10:27:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E0CCC25C80 for ; Mon, 2 Jul 2018 10:27:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E0CCC25C80 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=sntech.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030261AbeGBK1l (ORCPT ); Mon, 2 Jul 2018 06:27:41 -0400 Received: from gloria.sntech.de ([185.11.138.130]:36168 "EHLO gloria.sntech.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965478AbeGBK1h (ORCPT ); Mon, 2 Jul 2018 06:27:37 -0400 Received: from wd0142.dip.tu-dresden.de ([141.76.108.142] helo=phil.dip.tu-dresden.de) by gloria.sntech.de with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1fZw3Q-0004Ek-54; Mon, 02 Jul 2018 12:27:32 +0200 From: Heiko Stuebner To: thierry.reding@gmail.com Cc: robh+dt@kernel.org, mark.rutland@arm.com, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, seanpaul@chromium.org, briannorris@chromium.org, hl@rock-chips.com, emil.l.velikov@gmail.com, Heiko Stuebner Subject: [PATCH v5 2/4] drm/panel: p079zca: add variable unprepare_delay properties Date: Mon, 2 Jul 2018 12:27:19 +0200 Message-Id: <20180702102721.3546-3-heiko@sntech.de> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180702102721.3546-1-heiko@sntech.de> References: <20180702102721.3546-1-heiko@sntech.de> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lin Huang When panel power down, p079zca need delay between reset and disable power supply, but p097pfg does not need it. Similarly p097zca needs a delay after entering panel sleep mode. So add two delay properties, so we can meet these two panel power down sequence. Signed-off-by: Lin Huang [add sleep-mode delay] Signed-off-by: Heiko Stuebner --- drivers/gpu/drm/panel/panel-innolux-p079zca.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-innolux-p079zca.c b/drivers/gpu/drm/panel/panel-innolux-p079zca.c index 840ad4a6a6a6..630b0c2549ef 100644 --- a/drivers/gpu/drm/panel/panel-innolux-p079zca.c +++ b/drivers/gpu/drm/panel/panel-innolux-p079zca.c @@ -33,6 +33,8 @@ struct panel_desc { unsigned int lanes; const char * const *supply_names; unsigned int num_supplies; + unsigned int sleep_mode_delay; + unsigned int power_down_delay; }; struct innolux_panel { @@ -89,10 +91,13 @@ static int innolux_panel_unprepare(struct drm_panel *panel) return err; } + if (innolux->desc->sleep_mode_delay) + msleep(innolux->desc->sleep_mode_delay); + gpiod_set_value_cansleep(innolux->enable_gpio, 0); - /* T8: 80ms - 1000ms */ - msleep(80); + if (innolux->desc->power_down_delay) + msleep(innolux->desc->power_down_delay); regulator_bulk_disable(innolux->desc->num_supplies, innolux->supplies); @@ -205,6 +210,7 @@ static const struct panel_desc innolux_p079zca_panel_desc = { .lanes = 4, .supply_names = innolux_p079zca_supply_names, .num_supplies = ARRAY_SIZE(innolux_p079zca_supply_names), + .power_down_delay = 80, /* T8: 80ms - 1000ms */ }; static int innolux_panel_get_modes(struct drm_panel *panel) -- 2.17.0