Message ID | 20190124195900.22620-3-jagan@amarulasolutions.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <dri-devel-bounces@lists.freedesktop.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 0DC9F1515 for <patchwork-dri-devel@patchwork.kernel.org>; Thu, 24 Jan 2019 19:59:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1AAC22B892 for <patchwork-dri-devel@patchwork.kernel.org>; Thu, 24 Jan 2019 19:59:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0D53C30C84; Thu, 24 Jan 2019 19:59:31 +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 B49112B892 for <patchwork-dri-devel@patchwork.kernel.org>; Thu, 24 Jan 2019 19:59:30 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BDFE36F21E; Thu, 24 Jan 2019 19:59:29 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pf1-x441.google.com (mail-pf1-x441.google.com [IPv6:2607:f8b0:4864:20::441]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1E60F6F21E for <dri-devel@lists.freedesktop.org>; Thu, 24 Jan 2019 19:59:28 +0000 (UTC) Received: by mail-pf1-x441.google.com with SMTP id c123so3550938pfb.0 for <dri-devel@lists.freedesktop.org>; Thu, 24 Jan 2019 11:59:28 -0800 (PST) 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=ePJO3K5IQNsWUIfjjo9KML9MLGIdsSgJUQGCrI6U88/UNR6Jbqq1ZrRRJElr+vOgUv Unw42fhm3kUTN1Y7RTiqZQTOc1IPtWu0x6VtURTdpfXIJ3S/YOi0Avptyy7KMqzceXH7 540iipFr12E0iU+qGlMpBF++W/458crtxk3nEAuue8GzwcsD95Khal9lq0l63gxw+jNX R6z2R2XDGhyMDOAL54BxSvzGx+0pNt1jgCiOpWwT+daCJC1+MOik2rEj653WOAwWnPKQ bkGouUHrGvNfpe3ZStfNF7/JhE9gK4Sk/Kl6cuzmsk6vb++rzo0qqvCiX/66jho3ehsb JqGQ== X-Gm-Message-State: AJcUukfkqphLRKJf8C3iGA2EW1XsI78J3FLBkBbZ0CMcw5ejB2+UeN14 st//b16wiRsmgOWk2JR87zPiqg== 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> 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 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development <dri-devel.lists.freedesktop.org> List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/dri-devel>, <mailto:dri-devel-request@lists.freedesktop.org?subject=unsubscribe> List-Archive: <https://lists.freedesktop.org/archives/dri-devel> List-Post: <mailto:dri-devel@lists.freedesktop.org> List-Help: <mailto:dri-devel-request@lists.freedesktop.org?subject=help> List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/dri-devel>, <mailto:dri-devel-request@lists.freedesktop.org?subject=subscribe> Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-sunxi@googlegroups.com, Jagan Teki <jagan@amarulasolutions.com>, Michael Trimarchi <michael@amarulasolutions.com>, linux-amarula@amarulasolutions.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.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(+)