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 X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,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 27C2FC0044C for ; Sat, 3 Nov 2018 10:09:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DDF432082E for ; Sat, 3 Nov 2018 10:09:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amarulasolutions.com header.i=@amarulasolutions.com header.b="IuayEq9M" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DDF432082E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=amarulasolutions.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728467AbeKCTUZ (ORCPT ); Sat, 3 Nov 2018 15:20:25 -0400 Received: from mail-pl1-f196.google.com ([209.85.214.196]:33134 "EHLO mail-pl1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728393AbeKCTUY (ORCPT ); Sat, 3 Nov 2018 15:20:24 -0400 Received: by mail-pl1-f196.google.com with SMTP id x6-v6so2148428pln.0 for ; Sat, 03 Nov 2018 03:09:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=YhcdTaqekiJ1IH3Njt5SqmOCHXO4U7AWqNWukgHaAi8=; b=IuayEq9Mi2zYv8/dp6myAo9m7HW6XJn0ek+T5xJ6m0nkYrh346GYdNIWNFp2wlsoW+ nG7ilT87uzYUe003AtMPfKOhq56hL4iHBdRB8RXExUenLrWwfc6QqjmXv7t7rBgS3dw8 XD2qsilVWkCmBRDz5lTRUtcThl+Ye3jaVioGs= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=YhcdTaqekiJ1IH3Njt5SqmOCHXO4U7AWqNWukgHaAi8=; b=bzjEukjBs8mYZg225BOvNfF5y841PO27Tjas59bypXpD18/OKXldOfpKz9f0Dom3P4 Pq8ss3rjhVZeVuoi9qVWM/i/H5i+1k9uILI9g+MfXd/ys4xdMuTTv2Fmg2wRiFQhbUux bDMDdKn99od+8euC7PQBKeby+kEc8vbQLa80VJb/JSFVcU82ygkunQ36rupLh7UgP1O7 OpjrZXpLuvDWJEEggXrBE36HzpOzfdhxBHmj96e5XoU6e5EZ5b8yVw/UsCr0eF0oIN4L er9/tklnu1kzizsUTArmWo7CYXE/UXCFT+ONY/A7DNZWgAk2SJW5B4cJz6c5s8JP0UrB p8rQ== X-Gm-Message-State: AGRZ1gKbrdEiH2X8I64jtxoNxTEsbaA2CchGXzG1M9clvJYDWXBCMQHE 8zKaDAS0Eu8AlDIzljceUolAmQ== X-Google-Smtp-Source: AJdET5fUxfrFit8SCslEnOy9JQ2bunA85HTt2862WrZQENW8wd5fo1Lk7lp2wBJKv5WizrufHateGA== X-Received: by 2002:a17:902:a9c5:: with SMTP id b5-v6mr14826077plr.340.1541239776608; Sat, 03 Nov 2018 03:09:36 -0700 (PDT) Received: from localhost.localdomain ([2405:204:6094:3f7a:ed0a:fb74:1220:defe]) by smtp.gmail.com with ESMTPSA id z79-v6sm28466823pfl.33.2018.11.03.03.09.30 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 03 Nov 2018 03:09:36 -0700 (PDT) From: Jagan Teki To: Maarten Lankhorst , Maxime Ripard , Sean Paul , David Airlie , Rob Herring , Chen-Yu Tsai , Icenowy Zheng , Jernej Skrabec , Vasily Khoruzhick , Thierry Reding , Mark Rutland , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Michael Trimarchi , TL Lim , linux-sunxi@googlegroups.com Cc: Jagan Teki Subject: [PATCH 02/10] drm/sun4i: sun6i_mipi_dsi: Support instruction loop selection Date: Sat, 3 Nov 2018 15:38:52 +0530 Message-Id: <20181103100900.30313-3-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 In-Reply-To: <20181103100900.30313-1-jagan@amarulasolutions.com> References: <20181103100900.30313-1-jagan@amarulasolutions.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Instruction loop selection would require before writing loop number registers, so enable idle, LP11 bits on loop selection register. Reference code available in BSP (in drivers/video/sunxi/disp2/disp/de/lowlevel_sun50iw1/de_dsi.c) (dsi_dev[sel]->dsi_inst_loop_sel.dwval = 2<<(4*DSI_INST_ID_LP11) | 3<<(4*DSI_INST_ID_DLY); Signed-off-by: Jagan Teki --- drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c index da152c21ec62..077b57ec964c 100644 --- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c +++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c @@ -397,6 +397,10 @@ static void sun6i_dsi_setup_inst_loop(struct sun6i_dsi *dsi, struct mipi_dsi_device *device = dsi->device; u16 delay; + regmap_write(dsi->regs, SUN6I_DSI_INST_LOOP_SEL_REG, + DSI_INST_ID_HSC << (4 * DSI_INST_ID_LP11) | + DSI_INST_ID_HSD << (4 * DSI_INST_ID_DLY)); + if (device->mode_flags == MIPI_DSI_MODE_VIDEO_BURST) delay = (((mode->htotal - mode->hdisplay) * 150) / ((mode->clock / 1000) * 8)) - 50; -- 2.18.0.321.gffc6fa0e3