Message ID | 20190124195900.22620-3-jagan@amarulasolutions.com (mailing list archive) |
---|---|
State | Not Applicable, archived |
Headers | show
Return-Path: <linux-clk-owner@kernel.org> 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 B67F7139A for <patchwork-linux-clk@patchwork.kernel.org>; Thu, 24 Jan 2019 20:01:40 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A7F4331C01 for <patchwork-linux-clk@patchwork.kernel.org>; Thu, 24 Jan 2019 20:01:40 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9B6D0328AB; Thu, 24 Jan 2019 20:01:40 +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=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4BC0F3288D for <patchwork-linux-clk@patchwork.kernel.org>; Thu, 24 Jan 2019 20:01:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729477AbfAXT7b (ORCPT <rfc822;patchwork-linux-clk@patchwork.kernel.org>); Thu, 24 Jan 2019 14:59:31 -0500 Received: from mail-pg1-f196.google.com ([209.85.215.196]:47014 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731561AbfAXT72 (ORCPT <rfc822;linux-clk@vger.kernel.org>); Thu, 24 Jan 2019 14:59:28 -0500 Received: by mail-pg1-f196.google.com with SMTP id w7so3110252pgp.13 for <linux-clk@vger.kernel.org>; Thu, 24 Jan 2019 11:59:28 -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=5Ak/RzbTyrrXIVZkdGtey2LIaf9k4mP2yZqsX+ON3ZQ=; b=C2Q0VDKtacLIgo4Mjh++5QTJFI5flCR8BhPzFH1OJGMSW92ZiSnDvX6ObOTGi3Vh+5 7GdaDav2EZc4+yTV3gCBsh3xebpBRzpcSM0E8wH+xdfQ8F/juUgrG29Ve/3dL2UTWiXv bammi2n2cGE1VQH6vo0jsMBdrZlBe0lWufylk= 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=5Ak/RzbTyrrXIVZkdGtey2LIaf9k4mP2yZqsX+ON3ZQ=; b=hhk0opFXa7Q6QtK4ZM4Mbj4gLFxicrUF4UtYQMqozwmfR1rSJ2ZgXEqDCWsH745uDS DzDuEW08IF3SH5nJGW/VZOhINk76Gu9FL0KHP/x7JOsgPeJMHt/d2GSuaK86ZFlR7jUx MvNsUoXVgMeR6pTurd7HfZwPyFXTUY7C5Hi6f43fhxiunV3X1POXGANA/oA3mMV2+v0y FxZ5Hl/vzjjy/pWY6XT+p2+3CZlrV6EkVVLPiAuELdteATRY2mhZ4Fb9gAjFqAw6crnJ bnJeubI6QVyhCkhEkrb7xX3iK27nrQqfRivLnLlS7r7IR9ZhlbSccIrFjEmG3rY4CHEc xUSA== X-Gm-Message-State: AJcUukfWFu2kq1vpTMxW1rZjvJ9TnWiF/1CWoL1/grOlhlxIUJgZLD9f AX20Fd7i90xCoNxzlvVNkqcBmA== X-Google-Smtp-Source: ALg8bN70Hto641qCAhjyPHIEGxG0+WOYHri2dEXZu/4KY0n5xb4Bmf7S/rYMO8nj1Duk/+WXrZQc4w== X-Received: by 2002:a63:1d1d:: with SMTP id d29mr7244592pgd.49.1548359967683; Thu, 24 Jan 2019 11:59:27 -0800 (PST) Received: from localhost.localdomain ([115.97.179.75]) by smtp.gmail.com with ESMTPSA id x11sm61637003pfe.72.2019.01.24.11.59.22 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 24 Jan 2019 11:59:27 -0800 (PST) From: Jagan Teki <jagan@amarulasolutions.com> To: Maxime Ripard <maxime.ripard@bootlin.com>, David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>, Chen-Yu Tsai <wens@csie.org>, Michael Turquette <mturquette@baylibre.com>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com> Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, Michael Trimarchi <michael@amarulasolutions.com>, linux-amarula@amarulasolutions.com, linux-sunxi@googlegroups.com, Jagan Teki <jagan@amarulasolutions.com> Subject: [PATCH v6 02/22] drm/sun4i: sun6i_mipi_dsi: Support instruction loop selection Date: Fri, 25 Jan 2019 01:28:40 +0530 Message-Id: <20190124195900.22620-3-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 In-Reply-To: <20190124195900.22620-1-jagan@amarulasolutions.com> References: <20190124195900.22620-1-jagan@amarulasolutions.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: <linux-clk.vger.kernel.org> X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP |
Series |
drm/sun4i: Allwinner A64 MIPI-DSI support
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diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c index a5fcee750bee..813d5523f1c7 100644 --- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c +++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c @@ -403,6 +403,9 @@ 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));
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 <jagan@amarulasolutions.com> --- drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c | 3 +++ 1 file changed, 3 insertions(+)