From patchwork Wed Jun 30 14:46:46 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: 12352377 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=-17.2 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, 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 70C8AC11F65 for ; Wed, 30 Jun 2021 15:04:49 +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 450E161420 for ; Wed, 30 Jun 2021 15:04:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 450E161420 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@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=HWW2dWvDg2xIRuGQju2nVUPadSFZfDhGYyh6JEnH//s=; b=ktl9Sif0nL0OGr gYmOV/oNarlVwDJZ9dOaN1Gwg/+XZyfe+ld/xvqd3r+PBb9kgUVdR1yk7e2YB4KL+u+47ZXkz1CnX bnYgtV0rRSlOc7xZf0t0yJY0jOMUSl2FuDbt+uHPff/Ban3M7NzqUZ4rXdAMzf01LJHaRDQdwHxfS 4CP957kyzKrxv0gWl+gSvksZO2cjgMmC1C2zVz4EDDNe1vjJrnbmSLk9R/D40nx/xtMUe7ly5hWk+ CrgBVwgQh46nminEh29UPNKVoyIqmx1gEiTaihdrZiGKeLERDPOuxJFzHWzpG97obpSNLC+LB1PJF CctLk7Zawz0NrcZq6Bcw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lyblT-00EYQT-8L; Wed, 30 Jun 2021 15:04:35 +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 1lybUk-00ESyo-St; Wed, 30 Jun 2021 14:47:21 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: eballetbo) with ESMTPSA id C126A1F435F2 From: Enric Balletbo i Serra To: linux-kernel@vger.kernel.org Cc: jitao.shi@mediatek.com, chunkuang.hu@kernel.org, matthias.bgg@gmail.com, drinkcat@chromium.org, eizan@chromium.org, kernel@collabora.com, linux-mediatek@lists.infradead.org, hsinyi@chromium.org, Daniel Vetter , David Airlie , Philipp Zabel , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 6/6] drm/mediatek: mtk_dsi: Reset the dsi0 hardware Date: Wed, 30 Jun 2021 16:46:46 +0200 Message-Id: <20210630164623.6.Idbb4727ddf00ba2fe796b630906baff10d994d89@changeid> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210630144646.868702-1-enric.balletbo@collabora.com> References: <20210630144646.868702-1-enric.balletbo@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210630_074719_109012_72D864F2 X-CRM114-Status: GOOD ( 13.53 ) 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 settingbetween 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 --- 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