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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EAB89CD37B0 for ; Mon, 18 Sep 2023 13:01:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242137AbjIRNBQ (ORCPT ); Mon, 18 Sep 2023 09:01:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49596 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241965AbjIRNAs (ORCPT ); Mon, 18 Sep 2023 09:00:48 -0400 Received: from out-217.mta1.migadu.com (out-217.mta1.migadu.com [95.215.58.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DDB01171C for ; Mon, 18 Sep 2023 05:59:49 -0700 (PDT) X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=jookia.org; s=key1; t=1695041988; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ZJIBmn1MRAFelLIOs/v4ao97mYf3xkRoyjgfFYfZY14=; b=Eis19EUqt8F5IEwvw8k8WICesKIk8mVKQTgQ2JtVlQ/Nd4QR4TvsAVTHDbc7M7b42hC7p0 HS5d2/tBiclp2l0szNn3Okmly9q+c3ItDNH4jvU5omvCbV7IKjoubgcAtTLWHMJs1TA31C +WlvwkLUU08ypgbbDuXItBJsRZrGhswphsJlKkfbY5BoaoDtSPqEqUO9w+6X2mUgCAdoWG rVh6KTD3HCE1JP+1fNIXeyjTQ92DDOp2Sofq66TDpgiEkUdyPlGZBE47KfCFmhLfZb60Zy 9bXFmY14ySAJWn4Rh91RL4BCJtw7WYIKn8egenwedBwEaekOLajEmgrVA7on9w== From: John Watts To: dri-devel@lists.freedesktop.org Cc: Neil Armstrong , Jessica Zhang , Sam Ravnborg , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Heiko Stuebner , Chris Morgan , Jagan Teki , John Watts , Paul Cercueil , Christophe Branchereau , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH v2 4/9] drm/panel: nv3052c: Wait before entering sleep mode Date: Mon, 18 Sep 2023 22:58:48 +1000 Message-ID: <20230918125853.2249187-5-contact@jookia.org> In-Reply-To: <20230918125853.2249187-1-contact@jookia.org> References: <20230918125853.2249187-1-contact@jookia.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The panel needs us to wait 120ms between exiting and entering sleep. Guarantee that by always waiting 150ms before entering sleep mode. Signed-off-by: John Watts --- drivers/gpu/drm/panel/panel-newvision-nv3052c.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-newvision-nv3052c.c b/drivers/gpu/drm/panel/panel-newvision-nv3052c.c index 2526b123b1f5..307335d0f1fc 100644 --- a/drivers/gpu/drm/panel/panel-newvision-nv3052c.c +++ b/drivers/gpu/drm/panel/panel-newvision-nv3052c.c @@ -289,6 +289,9 @@ static int nv3052c_unprepare(struct drm_panel *panel) struct mipi_dbi *dbi = &priv->dbi; int err; + /* Wait 150ms in case we just exited sleep mode */ + msleep(150); + err = mipi_dbi_command(dbi, MIPI_DCS_ENTER_SLEEP_MODE); if (err) dev_err(priv->dev, "Unable to enter sleep mode: %d\n", err); -- 2.42.0