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=-9.1 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,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 1BD2FC43610 for ; Fri, 16 Nov 2018 16:39:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D943C2089D for ; Fri, 16 Nov 2018 16:39:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amarulasolutions.com header.i=@amarulasolutions.com header.b="IHk+yUcw" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D943C2089D 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 S2390146AbeKQCw7 (ORCPT ); Fri, 16 Nov 2018 21:52:59 -0500 Received: from mail-pf1-f193.google.com ([209.85.210.193]:42723 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390128AbeKQCw7 (ORCPT ); Fri, 16 Nov 2018 21:52:59 -0500 Received: by mail-pf1-f193.google.com with SMTP id 64so7181010pfr.9 for ; Fri, 16 Nov 2018 08:39:53 -0800 (PST) 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=xfw1G45o1zFW41lhUipKSvIxM7Mirg3j/ORexArSSOI=; b=IHk+yUcwy3Tn5b7VhPIG+abilk0SHU+XJTb+kQZB4JwjlIALKaSnSDFcFKT4Y1E5IS 1/iepKrht5bJ0uOzBOX2bu81ePe+5Gduq0hdM7KgN7/DzCU1n7Lr85e7wS/OfmtfaeSM p/XcPpRXMqLoZ2JMGLUPoDpsvvfw/3Uce716Q= 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=xfw1G45o1zFW41lhUipKSvIxM7Mirg3j/ORexArSSOI=; b=c3Yo7Bt2Hwe4SWIE59GQ9lHaj1O8LCQowedLefqLHpIJ4uDX4Jeb3evxkLaqxKf8n3 /eKZT+Tqkow0SN+IVIyJEHFActeWCjQUIMq1FU9i1X9eA0CFbjtREssvBslVfuFy2bwc LK84nPWsS2B71xMXf5IZCw9YhpCJVnwRAdrZIyQt2pHL3nUCac8tFarWhQf6fAkfcrPT /o9Omh1vnuHYp/ljokrAuCFChssMW0Ef1mcxnwWAZSjlnFtxpD3ndHHQ3bw3A5thOk4i 14WPhAS/BmeBt28fnnjLdXPsr9iRYauq5mc7tPZ++mgHvN7HtQ3/gahNf3mChtZaVlud pgRw== X-Gm-Message-State: AGRZ1gL0ovQ0EtjTYexFnO/XIFwlCE4XDRsIDVF3ngFUeK7TgM8KVfl7 NeCOIh5nnBPSoZ+AfeD4QZJ4TQ== X-Google-Smtp-Source: AJdET5eOeBxmHRxMRv1dqm7bRxnMebtegzdvCjb6YXE5S3cuHLbQKjZ7d6YXgTvk+/tMRQ0dVsu/Fw== X-Received: by 2002:a62:6241:: with SMTP id w62-v6mr11758075pfb.69.1542386393003; Fri, 16 Nov 2018 08:39:53 -0800 (PST) Received: from localhost.localdomain ([115.97.190.86]) by smtp.gmail.com with ESMTPSA id p5-v6sm34622213pfb.109.2018.11.16.08.39.45 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 16 Nov 2018 08:39:52 -0800 (PST) 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, linux-amarula@amarulasolutions.com Cc: Jagan Teki Subject: [PATCH v2 02/12] drm/sun4i: sun6i_mipi_dsi: Support instruction loop selection Date: Fri, 16 Nov 2018 22:09:06 +0530 Message-Id: <20181116163916.29621-3-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 In-Reply-To: <20181116163916.29621-1-jagan@amarulasolutions.com> References: <20181116163916.29621-1-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 (from linux-sunxi/ 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 | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c index 43ab7127d428..3ac002c4d8b3 100644 --- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c +++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c @@ -438,6 +438,9 @@ static void sun6i_dsi_setup_inst_loop(struct sun6i_dsi *dsi, { u16 delay = sun6i_dsi_setup_inst_delay(dsi, mode); + 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)); regmap_write(dsi->regs, SUN6I_DSI_INST_LOOP_NUM_REG(0), SUN6I_DSI_INST_LOOP_NUM_N0(50 - 1) | SUN6I_DSI_INST_LOOP_NUM_N1(delay)); -- 2.18.0.321.gffc6fa0e3