From patchwork Thu Sep 27 11:48:45 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 10618439 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4F46714BD for ; Thu, 27 Sep 2018 18:29:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3A5A72BA79 for ; Thu, 27 Sep 2018 18:29:09 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2EB1F2BAA4; Thu, 27 Sep 2018 18:29:09 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id DD7C62BA79 for ; Thu, 27 Sep 2018 18:29:08 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 27ECC6E629; Thu, 27 Sep 2018 18:28:29 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pg1-x544.google.com (mail-pg1-x544.google.com [IPv6:2607:f8b0:4864:20::544]) by gabe.freedesktop.org (Postfix) with ESMTPS id B07FA6E597 for ; Thu, 27 Sep 2018 11:50:04 +0000 (UTC) Received: by mail-pg1-x544.google.com with SMTP id 85-v6so1781769pge.6 for ; Thu, 27 Sep 2018 04:50:04 -0700 (PDT) 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=qJ4ocnupdnRF/ZdSujENwLzrOfvxTyZyj+cMq6Ty7vumex6f0KD5JeB+t250H5FfQw 5Ilvu5VMpVxF+JppdjDnXbj9Yxu8MWZVNKZ5S7/+TiTXvJZvBv3/pABjWskxRQIJmufN lPMjFP573X5rdCvy6KRPHUWHmv+/9bNsf/p9g/r7kHzeGuTT+pEMiCajudCD56STdHCW 5nBNzT4VtU5L5Hci1g9Qo2Ynqjvf4wH435wlhVaD7jji1FLWtvF1CVAoLCM2qsK7594F oKZd+2xaJqv087MBh7OllD0+nYBupPZJIA8ogd3PRxI//fwXI/IglIvEq7WtjWFT9VwD hcZA== X-Gm-Message-State: ABuFfohuBDmzUKIEI2+aAPYlZGocdycTS8ssQddl1860S2BZHC4MTouJ y7N2/0i8ljmtEJtU2Ed5Psv97g== 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 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 X-Mailman-Approved-At: Thu, 27 Sep 2018 18:27:00 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jagan Teki Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP 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;