From patchwork Wed Jul 14 10:11:41 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: 12376595 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=-16.7 required=3.0 tests=BAYES_00, 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 46CC1C11F66 for ; Wed, 14 Jul 2021 10:12:03 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 16A876100B for ; Wed, 14 Jul 2021 10:12:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 16A876100B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 705BB6E1F9; Wed, 14 Jul 2021 10:12:02 +0000 (UTC) Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by gabe.freedesktop.org (Postfix) with ESMTPS id 56B926E1F9 for ; Wed, 14 Jul 2021 10:12:00 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: eballetbo) with ESMTPSA id 33E0F1F42DEF From: Enric Balletbo i Serra To: linux-kernel@vger.kernel.org Subject: [PATCH v2 7/7] drm/mediatek: mtk_dsi: Reset the dsi0 hardware Date: Wed, 14 Jul 2021 12:11:41 +0200 Message-Id: <20210714121116.v2.7.Idbb4727ddf00ba2fe796b630906baff10d994d89@changeid> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210714101141.2089082-1-enric.balletbo@collabora.com> References: <20210714101141.2089082-1-enric.balletbo@collabora.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: chunkuang.hu@kernel.org, drinkcat@chromium.org, jitao.shi@mediatek.com, David Airlie , dri-devel@lists.freedesktop.org, eizan@chromium.org, linux-mediatek@lists.infradead.org, hsinyi@chromium.org, matthias.bgg@gmail.com, kernel@collabora.com, linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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 Acked-by: Chun-Kuang Hu Reviewed-by: Matthias Brugger --- (no changes since v1) 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