From patchwork Mon Jul 2 10:27:19 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiko Stuebner X-Patchwork-Id: 10500923 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 4D4156028F for ; Mon, 2 Jul 2018 10:27:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3C920286E2 for ; Mon, 2 Jul 2018 10:27:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 309E9286EB; Mon, 2 Jul 2018 10:27:44 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id E1D6E286E2 for ; Mon, 2 Jul 2018 10:27:43 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BADA76E3A6; Mon, 2 Jul 2018 10:27:37 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from gloria.sntech.de (gloria.sntech.de [185.11.138.130]) by gabe.freedesktop.org (Postfix) with ESMTPS id 366FB6E3A2 for ; Mon, 2 Jul 2018 10:27:36 +0000 (UTC) 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 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> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, hl@rock-chips.com, briannorris@chromium.org, emil.l.velikov@gmail.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, robh+dt@kernel.org MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP 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)