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=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,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 46D40C282D8 for ; Fri, 1 Feb 2019 15:56:08 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 175102086C for ; Fri, 1 Feb 2019 15:56:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="rzFBg3IM"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=amarulasolutions.com header.i=@amarulasolutions.com header.b="bdX9sXiy" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 175102086C 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-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=+Pr55dtx+Fo00d/IZWzLmmQRPH04KkIiVvGFwQ3XzSg=; b=rzFBg3IMx952IB ifgjAy1kzDog7tVWnNiNFeEItUlTjX0XYbxRKyUpRiDYcP6pHBdyYI4da3sKWHuGIk5L8yRe5yOzq BbfdxS1LQGQ1pHnNirXTUPPnCl5xOEre5MW7+S0lGuHsH9eVZnLULIwI4+3s5wN7A/gQMd282fwpO oOV967t9tEo+DSOGp9l7gyhgfIq8JLqEAV1OhKyW8/3QOwzuCt+C6f8bek8CHzoa3+bZSZrqy0P2S E4EA6lNMCiguncb9PHPvdZ5xLa/fC0jtLcPBOTkZawMQ0MdAcsNzn2EPEy3oIqoqDRmJK9XNx8LxT udX6TxCR3gwgA4xYG2DA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gpbAg-0006xD-8y; Fri, 01 Feb 2019 15:56:02 +0000 Received: from mail-lj1-x244.google.com ([2a00:1450:4864:20::244]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gpay6-0002FR-AF for linux-arm-kernel@lists.infradead.org; Fri, 01 Feb 2019 15:43:06 +0000 Received: by mail-lj1-x244.google.com with SMTP id u89-v6so6229222lje.1 for ; Fri, 01 Feb 2019 07:43:02 -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=rS6sGbJP+zjY5kJm8iT11B1WuOcwYEUOTtJGe88GIrs=; b=bdX9sXiywy0BGPdJwc5OTztIqQo0WTncpb/ZlqVFxOTBr0j9Hc/hOb3la6YN6Krgxq BJY376aZ5qf4y4aNLn3kGIXsqow0XD6fQnpCsjs++yoDdrMR77yh8ZJThJo0lBUp+5ID EdgNlkBPPGibaIaBvITW1dJxiVrNqSlL1Fpy8= 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=rS6sGbJP+zjY5kJm8iT11B1WuOcwYEUOTtJGe88GIrs=; b=Ukk8EsYMTaXhh5llSjeoUxC/VyaxH9aueqzUA5OHN9o8hvrA5PevLNnj7BFxKeZYbZ aP2/4y4LPOy+1FBMGU4bI+LZmoy+ZdjwSZGWT1dBsERM9ZIT1zStPNg8lXz6x1yPe4SX dTiUeK0b/lLf/VTVYcDjLMfmuKe0EuI4hb+ZgM+Ewv3rXoeSNa7C0wzL7FUy7ab8h+UM 0cO28o5nDf8yuUuGdfwE2Ysd3oBVqAAluzP9M6nGw58PojJBrpwpkmnH1008RZCXdSQr /YjI5hcdK0droMuajB16HeqCGNombr+J7UaP/ynZksSTp1dqglVK34QhWX9A3NNXFhnB 9Uag== X-Gm-Message-State: AJcUukfBBIdbcEQ3cGhw/nQai+B8/bBkWWqqBwDOCTqk0XjCziJfBkxb D9y3qcIYiyK7c+Lgkx8iP0+TcQ== X-Google-Smtp-Source: ALg8bN6wZLRx3APZR1H/AYjNK+cdvIN3IPrZAwkaLn+hv3CJ4/x48AjmcKpGiIL9oGehk6sBp0t6Dg== X-Received: by 2002:a2e:4218:: with SMTP id p24-v6mr31408690lja.58.1549035780689; Fri, 01 Feb 2019 07:43:00 -0800 (PST) Received: from localhost.localdomain ([217.76.202.68]) by smtp.gmail.com with ESMTPSA id i13-v6sm1305712ljg.82.2019.02.01.07.42.59 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 01 Feb 2019 07:43:00 -0800 (PST) From: Jagan Teki To: Maxime Ripard , David Airlie , Daniel Vetter , Chen-Yu Tsai , Michael Turquette , Rob Herring , Mark Rutland Subject: [PATCH v7 09/23] drm/sun4i: sun6i_mipi_dsi: Enable HBP, HSA_HSE for burst mode Date: Fri, 1 Feb 2019 21:12:18 +0530 Message-Id: <20190201154232.10505-10-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 In-Reply-To: <20190201154232.10505-1-jagan@amarulasolutions.com> References: <20190201154232.10505-1-jagan@amarulasolutions.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190201_074302_858700_3F3D7F6D X-CRM114-Status: GOOD ( 13.19 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-sunxi@googlegroups.com, Jagan Teki , Michael Trimarchi , linux-amarula@amarulasolutions.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Horizontal back porch, sync active and sync end bits are needed to disable for burst mode panel operations. So, disable them via dsi base control register. Signed-off-by: Jagan Teki Tested-by: Merlijn Wajer --- drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c index a2ad9fa7f8d5..3d7c03161954 100644 --- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c +++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c @@ -549,12 +549,17 @@ static void sun6i_dsi_setup_timings(struct sun6i_dsi *dsi, u16 hbp, hfp, hsa, hblk, vblk; size_t bytes; u8 *buffer; + u32 val = 0; /* Do all timing calculations up front to allocate buffer space */ if (device->mode_flags & MIPI_DSI_MODE_VIDEO_BURST) { hbp = hfp = hsa = vblk = 0; hblk = (mode->hdisplay * Bpp); + + regmap_read(dsi->regs, SUN6I_DSI_BASIC_CTL_REG, &val); + val |= SUN6I_DSI_BASIC_CTL_HBP_DIS; + val |= SUN6I_DSI_BASIC_CTL_HSA_HSE_DIS; goto alloc_buf; } @@ -603,7 +608,7 @@ static void sun6i_dsi_setup_timings(struct sun6i_dsi *dsi, if (WARN_ON(!buffer)) return; - regmap_write(dsi->regs, SUN6I_DSI_BASIC_CTL_REG, 0); + regmap_write(dsi->regs, SUN6I_DSI_BASIC_CTL_REG, val); regmap_write(dsi->regs, SUN6I_DSI_SYNC_HSS_REG, sun6i_dsi_build_sync_pkt(MIPI_DSI_H_SYNC_START, -- 2.18.0.321.gffc6fa0e3 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel