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 84F2AC43382 for ; Thu, 27 Sep 2018 11:50:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 40948215E5 for ; Thu, 27 Sep 2018 11:50:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amarulasolutions.com header.i=@amarulasolutions.com header.b="bJb2hqzN" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 40948215E5 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 S1727628AbeI0SH7 (ORCPT ); Thu, 27 Sep 2018 14:07:59 -0400 Received: from mail-pg1-f195.google.com ([209.85.215.195]:37996 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727270AbeI0SH7 (ORCPT ); Thu, 27 Sep 2018 14:07:59 -0400 Received: by mail-pg1-f195.google.com with SMTP id r77-v6so1786633pgr.5 for ; Thu, 27 Sep 2018 04:50:04 -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=h7PHMbYpuEXpp+8XgIFSEXt+FJJ3QcGp+T82lkpHAH4=; b=bJb2hqzNxsJ4M9UVqML0qhncsnI2R9K8AIwYoU9+qM0IcYtmlASU/nCLCNOBUUNQ/m wGWuz7FnvhfOHv1mYzjJB4TzZ2ydF/2fDLKOdeoUI7Eb5pMeEdk6Ce3sU2KV8mgYjIna Sliro/d0zM+nc9oQS+3Qm5mxL2HYih09bwbe4= 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=h7PHMbYpuEXpp+8XgIFSEXt+FJJ3QcGp+T82lkpHAH4=; b=m60gUlrOoLnNauDBazCHvmvG3hPTi5tZYcaDKupk7T6wPlJK9DETWSEQ0iJDi/0bS0 nM/DzSrX49lr00PGmqMFrMg+HwKkyqVfDHQpAnCFnx40xvc77OIEL0if/X1qRuedovQM drc99D9f83ihgrJPOeUVeWJ6hVFKzLIujM51UzxVZjbxYHj2e+YIaU+hMObbArXi0bAL FocB3C3Up3ygAXt02iz+3ZQ7lwMPPOi3BtM8Oa0szar/pMxyygvEjYeKJDrp49x7rhqs 3Lu1CyvuM/wjCAebTQTtmxLcFIZIOGioruqtnhFXZZW+j5R+80huxcyWM9qRJ9rXrWn5 FJ0A== X-Gm-Message-State: ABuFfogltbLPeyJKPb0eso0Mh8UZanX3wap8fXaKPfQx04qrc5CfW8gd V01AflW8mPZYaasnmhQ+6WK4nA== X-Google-Smtp-Source: ACcGV63oiscJEiP9nlZ/hvm2ilMa/7Ju7fl+feJ0Sd/gTtC1VKv0GWKXIM/Le/43UYW07D20gIaPcw== X-Received: by 2002:a63:7107:: with SMTP id m7-v6mr9830760pgc.73.1538049004209; Thu, 27 Sep 2018 04:50:04 -0700 (PDT) Received: from localhost.localdomain ([183.82.230.83]) by smtp.gmail.com with ESMTPSA id v36-v6sm3744872pgn.85.2018.09.27.04.49.57 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 27 Sep 2018 04:50:03 -0700 (PDT) From: Jagan Teki To: Maxime Ripard , Chen-Yu Tsai , Icenowy Zheng , Jernej Skrabec , Vasily Khoruzhick , Rob Herring , Mark Rutland , Catalin Marinas , Will Deacon , David Airlie , dri-devel@lists.freedesktop.org, Michael Turquette , Stephen Boyd , linux-clk@vger.kernel.org, Michael Trimarchi , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com Cc: Jagan Teki Subject: [PATCH 07/12] drm/sun4i: sun6i_mipi_dsi: Fix TCON DRQ set bits Date: Thu, 27 Sep 2018 17:18:45 +0530 Message-Id: <20180927114850.24565-8-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 In-Reply-To: <20180927114850.24565-1-jagan@amarulasolutions.com> References: <20180927114850.24565-1-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 TCON DRQ set bits for non-burst DSI mode can computed via horizontal front porch instead of front porch + sync timings. Since there no documentation for TCON_DRQ_REG(0x7c) register this change is taken as reference from BPI-M64-bsp. Signed-off-by: Jagan Teki --- drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c index 599284971ab6..9918fdb990ff 100644 --- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c +++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c @@ -367,9 +367,9 @@ static void sun6i_dsi_setup_burst(struct sun6i_dsi *dsi, struct mipi_dsi_device *device = dsi->device; u32 val = 0; - if ((mode->hsync_end - mode->hdisplay) > 20) { + if ((mode->hsync_start - mode->hdisplay) > 20) { /* Maaaaaagic */ - u16 drq = (mode->hsync_end - mode->hdisplay) - 20; + u16 drq = (mode->hsync_start - mode->hdisplay) - 20; drq *= mipi_dsi_pixel_format_to_bpp(device->format); drq /= 32; -- 2.18.0.321.gffc6fa0e3