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 83A52C282DB for ; Fri, 1 Feb 2019 12:08:13 +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 52471218AC for ; Fri, 1 Feb 2019 12:08:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="HHmsqHo8"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="Mpu3V7TG" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 52471218AC Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+linux-amlogic=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:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: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=Msj5nA+Y+ekN1vH6tDVz5WbMfAjZdDvv/RrhHSBPoRA=; b=HHmsqHo8i/MIL+ZxrneW2RUKR6 KnznP/TNOeZSZE9dWu0fJNckaIIljM5pZDsmQc8h+wK378490EjhMNrOpi4LibbK1YVfDbKXzJpkS SZVY14GZ+oj5WLgt630JvXCjMTG208IF50VYqk7PkQwZPyrN3j2iPvKlnf9CtarlkNaJrSogSH1Ze 8CyzvnA65N7Bmk4FTtjzrLA2eQhPdnn85ty1fxh7EiXbFIyT7nOBt6mnmCj21PuF7PPG46fEdPi8R hadrCr1ER/F5JBlpWvY+Wvp76gJBTbaj7AImsIRbjCgmUpdlXVLnCjawF+CDLGfNVp1eoBIvLgwGa JX+ICV5w==; 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 1gpXc6-0007Y8-53; Fri, 01 Feb 2019 12:08:06 +0000 Received: from mail-wm1-x341.google.com ([2a00:1450:4864:20::341]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gpXc0-0007TZ-7z for linux-amlogic@lists.infradead.org; Fri, 01 Feb 2019 12:08:04 +0000 Received: by mail-wm1-x341.google.com with SMTP id t200so6016390wmt.0 for ; Fri, 01 Feb 2019 04:07:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=6aa/GzlhP8ObDc4Qw7/JY3Cu5N8hkn77bsJ9zMHN4fU=; b=Mpu3V7TGaftA27EPpE0+ewC8WyoXuDFn/33ELQ2gB3NBMXE5jf9GuMH/bZIcMrnY6g 8QLGZ/1MmOOGtXlsrLP5UpFg1wJBZbiUKrU40JS+QsPjK7s3xaSXrwld29tkHm14LX38 n1HheEcauEyA05zCEV8DwsYfTrvSvqa0WwQwkcrewN9DUzD1XeF+kQFxenAkLp1lKpnQ iv7BRc72tMgGJ7nBwlPXed/qbMmfrOaBJysiEPG+4HjhAyJxjAMQTEqFGQuLzmk125LC VvZYsOzwTOHZ5qiIexWblc6JnYDpNi+siMjlKpn9nKODlHvOpno3mQI68IpnziyeTlA8 f04w== 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; bh=6aa/GzlhP8ObDc4Qw7/JY3Cu5N8hkn77bsJ9zMHN4fU=; b=OdVp2o4LyqonwNAjttRNoFMsmPRlDAQ+qIybhyhWuAon96i9GPiQdpfksjWuYiNdo+ Ldbi++ds4riFXP2D6oUeIspkTy+xvC7hSiFgU6Xp1HqnxFqqPQE0bGlnxHoQqBC4P5wF gh0ieVX4uuNcRqcCQBgGGIdBi2vTCdRWuBvl5dY26Wk4OFqOZcBAFTMph5Ej5/9Z97K0 h8GG0RNTLbQAGYVFYxzjH+pKmoMhDnvLw9yTUKg5i9RBtm3gX++obemYSdaKSZBKI+a5 TV8Qqnutc8q2hz0M5erE623XfrZHMRFX9pAUCtQxaiYd97t+4LpY57sGFWss53+N+P4A DWGg== X-Gm-Message-State: AHQUAub5wwalM+EWm+7mBr8MaKOpQNh5p6qdvBx8qY2UOG5dXnR/EB3J ppxY+oLf9BYXJAzLduAkNGlkEuPWIp8= X-Google-Smtp-Source: AHgI3IbfRmqImr8JQ8pHCn8Xy7Vpo/mkQqVrp7SgDWw7dlc/Y7z857uEhNxS5lfmeAQuQB8jSwD0Iw== X-Received: by 2002:a1c:c303:: with SMTP id t3mr2026891wmf.94.1549022878008; Fri, 01 Feb 2019 04:07:58 -0800 (PST) Received: from localhost.localdomain ([51.15.160.169]) by smtp.gmail.com with ESMTPSA id m13sm2577103wmd.6.2019.02.01.04.07.57 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 01 Feb 2019 04:07:57 -0800 (PST) From: Neil Armstrong To: a.hajda@samsung.com, Laurent.pinchart@ideasonboard.com, p.zabel@pengutronix.de, Sandy Huang , heiko@sntech.de, maxime.ripard@bootlin.com Subject: [PATCH v2 2/8] drm/meson: add HDMI div40 TMDS mode Date: Fri, 1 Feb 2019 12:07:47 +0000 Message-Id: <1549022873-40549-3-git-send-email-narmstrong@baylibre.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1549022873-40549-1-git-send-email-narmstrong@baylibre.com> References: <1549022873-40549-1-git-send-email-narmstrong@baylibre.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190201_040800_281750_99E4B524 X-CRM114-Status: GOOD ( 13.21 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Neil Armstrong MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Add support for TMDS Clock > 3.4GHz for HDMI2.0 display modes. Signed-off-by: Neil Armstrong --- drivers/gpu/drm/meson/meson_dw_hdmi.c | 23 +++++++++++++++++++---- 1 file changed, 19 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c index 83585b3..e28814f 100644 --- a/drivers/gpu/drm/meson/meson_dw_hdmi.c +++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c @@ -365,7 +365,8 @@ static int dw_hdmi_phy_init(struct dw_hdmi *hdmi, void *data, unsigned int wr_clk = readl_relaxed(priv->io_base + _REG(VPU_HDMI_SETTING)); - DRM_DEBUG_DRIVER("\"%s\"\n", mode->name); + DRM_DEBUG_DRIVER("\"%s\" div%d\n", mode->name, + mode->clock > 340000 ? 40 : 10); /* Enable clocks */ regmap_update_bits(priv->hhi, HHI_HDMI_CLK_CNTL, 0xffff, 0x100); @@ -385,9 +386,17 @@ static int dw_hdmi_phy_init(struct dw_hdmi *hdmi, void *data, /* Enable normal output to PHY */ dw_hdmi_top_write(dw_hdmi, HDMITX_TOP_BIST_CNTL, BIT(12)); - /* TMDS pattern setup (TOFIX pattern for 4k2k scrambling) */ - dw_hdmi_top_write(dw_hdmi, HDMITX_TOP_TMDS_CLK_PTTN_01, 0x001f001f); - dw_hdmi_top_write(dw_hdmi, HDMITX_TOP_TMDS_CLK_PTTN_23, 0x001f001f); + /* TMDS pattern setup (TOFIX Handle the YUV420 case) */ + if (mode->clock > 340000) { + dw_hdmi_top_write(dw_hdmi, HDMITX_TOP_TMDS_CLK_PTTN_01, 0); + dw_hdmi_top_write(dw_hdmi, HDMITX_TOP_TMDS_CLK_PTTN_23, + 0x03ff03ff); + } else { + dw_hdmi_top_write(dw_hdmi, HDMITX_TOP_TMDS_CLK_PTTN_01, + 0x001f001f); + dw_hdmi_top_write(dw_hdmi, HDMITX_TOP_TMDS_CLK_PTTN_23, + 0x001f001f); + } /* Load TMDS pattern */ dw_hdmi_top_write(dw_hdmi, HDMITX_TOP_TMDS_CLK_PTTN_CNTL, 0x1); @@ -413,6 +422,8 @@ static int dw_hdmi_phy_init(struct dw_hdmi *hdmi, void *data, /* Disable clock, fifo, fifo_wr */ regmap_update_bits(priv->hhi, HHI_HDMI_PHY_CNTL1, 0xf, 0); + dw_hdmi_set_high_tmds_clock_ratio(hdmi); + msleep(100); /* Reset PHY 3 times in a row */ @@ -557,6 +568,10 @@ dw_hdmi_mode_valid(struct drm_connector *connector, DRM_DEBUG_DRIVER("Modeline " DRM_MODE_FMT "\n", DRM_MODE_ARG(mode)); + /* If sink max TMDS clock, we reject the mode */ + if (mode->clock > connector->display_info.max_tmds_clock) + return MODE_BAD; + /* Check against non-VIC supported modes */ if (!vic) { status = meson_venc_hdmi_supported_mode(mode); -- 2.7.4 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic