From patchwork Wed Aug 25 10:26:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Enric Balletbo i Serra X-Patchwork-Id: 12457201 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=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, 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 06C35C4338F for ; Wed, 25 Aug 2021 10:42:22 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CD08F610E5 for ; Wed, 25 Aug 2021 10:42:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org CD08F610E5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=SUW0aUI6P8YwjjlTL5+HaULrTC4kZAuHoLsScxlxDu0=; b=xu8uqepdgqoqYA VUHhT8DG/McnHz4BYefXOZSDlx2TxDwzsrCtj3hrnYIw87sosVEc7XxUoYlaRoaOT3REjsJufkbYY aTTgdPyoUmgpxs4DX0EmDX43PLiWmMDQq4H1+7JDBAMMi8CCR0VVsOaRexOlH8sFXLxV8F1v/cYLS +KMUPikNTZlVWWJAYCaQ1AFtPfLGE7YRhWeeFuAEwOm1oUxc/2YXsDEZ2N8G0dA6HtBItERYvv1qP C48Jiy46dXxlH8UvFDQLSM0udqR04PAqMqxetpolTFDWFrcT5PuNoP4jMIm1tk5v8yAQ7hu3p7BD5 07oi0GkFwnrLJo+TcmkQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mIqMD-006akn-Bv; Wed, 25 Aug 2021 10:42:09 +0000 Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mIq7M-006Tro-8w; Wed, 25 Aug 2021 10:26:50 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: eballetbo) with ESMTPSA id EA9011F4370F From: Enric Balletbo i Serra To: linux-kernel@vger.kernel.org Cc: matthias.bgg@gmail.com, hsinyi@chromium.org, linux-mediatek@lists.infradead.org, jitao.shi@mediatek.com, eizan@chromium.org, drinkcat@chromium.org, chunkuang.hu@kernel.org, kernel@collabora.com, Daniel Vetter , David Airlie , Philipp Zabel , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 7/7] drm/mediatek: mtk_dsi: Reset the dsi0 hardware Date: Wed, 25 Aug 2021 12:26:32 +0200 Message-Id: <20210825122613.v3.7.Idbb4727ddf00ba2fe796b630906baff10d994d89@changeid> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210825102632.601614-1-enric.balletbo@collabora.com> References: <20210825102632.601614-1-enric.balletbo@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210825_032648_504947_41CDDB56 X-CRM114-Status: GOOD ( 15.03 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Reset dsi0 HW to default when power on. This prevents to have different settingis between the bootloader and the kernel. As not all Mediatek boards have the reset consumer configured in their board description, also is not needed on all of them, the reset is optional, so the change is compatible with all boards. Cc: Jitao Shi Suggested-by: Chun-Kuang Hu Signed-off-by: Enric Balletbo i Serra Acked-by: Chun-Kuang Hu Reviewed-by: Matthias Brugger --- Changes in v3: - Fix typo in the commit description drivers/gpu/drm/mediatek/mtk_dsi.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index ae403c67cbd9..d8b81e2ab841 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -11,6 +11,7 @@ #include #include #include +#include #include