From patchwork Thu Feb 6 19:18:24 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 11369059 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8724514D5 for ; Thu, 6 Feb 2020 19:18:47 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 64E74217F4 for ; Thu, 6 Feb 2020 19:18:47 +0000 (UTC) Authentication-Results: mail.kernel.org; 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="rci9PqEx" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 64E74217F4 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5C78E6FB1C; Thu, 6 Feb 2020 19:18:42 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-wr1-x444.google.com (mail-wr1-x444.google.com [IPv6:2a00:1450:4864:20::444]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6A13E6FB1C for ; Thu, 6 Feb 2020 19:18:40 +0000 (UTC) Received: by mail-wr1-x444.google.com with SMTP id w15so8571286wru.4 for ; Thu, 06 Feb 2020 11:18:40 -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 :mime-version:content-transfer-encoding; bh=6mFlT0Omv41nAtEpTgYWO4Xf2iU3uM7fX834ml+D12E=; b=rci9PqEx4hby5MvW1khg7iEKwuy1bfbD4iaH4uETQBur1Za15XCzVjeFY1VfdBhtw4 Sgm+lIqBzDWUcXws81WyInQc4DgofK0ajNixco/KiwkevvAVCOdtY5ZeQ6xfN/Ef6rVb GayBIdYOso2YrWls5jJXiF/U+8TKQSpE/sJZNy5HxzOqmim+LVfpuTuYr/kwh/7kYfdW Y3awX+mVUGcHmrjyQdCGHxtp6dtxRCX/efFt9Twi9ODg1shreYkTyHnQOaQ/ER9EN8Ut ptxJLeh9r0Gvc7WMEkLdB6fdxT1wUa0xnxOwgm+0Q4KtNxTa3y6OHyult0N4gOrTG7WX OpKQ== 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=6mFlT0Omv41nAtEpTgYWO4Xf2iU3uM7fX834ml+D12E=; b=Zz1x5HK25rRfZ0N6gSieCFFmjChUCGHNtMR7Hcc2/CA+Upz+REWLSyRsrfX7HcmeOb 81jPcBLFOB4d7j48vu8qG+T5Jq9ds37nLf030Qv+WQM5V8zIC0WIi6E6QMgwiNkI0bNA tvJJ6qX6t+ewgjvxWN2gUZSddw+jOaVBk6h+0MSeFeLJcbHLC9p0cHEymh9ZBdfUOOgs o2665cSHpxSgZQQNOxjq7GpVrrocj4xWGRQxOgt70mon6JsySgC3+Y4l1xkn+RjCsyW8 doVtTbFNjEjXwQ+CWgdfvYhdWp52jyhreixf49AR5MWIWs/WLNWdACmtUwUaQOZMUwRl h6bA== X-Gm-Message-State: APjAAAU8+xZ+8SRIvBn4R0XXnW/ksiuv1nrnPCiY9Tj66mcA1AmV2jZS tAFfx7avS9qqvVD5Tx8oxahW4Q== X-Google-Smtp-Source: APXvYqyowlhqCLlPiC8LwlQGO8ZeahyUMuyPS6kHuCVL6/61Z4rWlDzBpMhGfN5LPnPhHBF2WM35Pw== X-Received: by 2002:adf:bc87:: with SMTP id g7mr5375779wrh.121.1581016718863; Thu, 06 Feb 2020 11:18:38 -0800 (PST) Received: from bender.baylibre.local ([2a01:e35:2ec0:82b0:7d33:17f7:8097:ecc7]) by smtp.gmail.com with ESMTPSA id m3sm272662wrs.53.2020.02.06.11.18.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Feb 2020 11:18:38 -0800 (PST) From: Neil Armstrong To: a.hajda@samsung.com, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@siol.net, boris.brezillon@collabora.com Subject: [PATCH v4 01/11] drm/bridge: dw-hdmi: set mtmdsclock for deep color Date: Thu, 6 Feb 2020 20:18:24 +0100 Message-Id: <20200206191834.6125-2-narmstrong@baylibre.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20200206191834.6125-1-narmstrong@baylibre.com> References: <20200206191834.6125-1-narmstrong@baylibre.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development 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 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Jonas Karlman Configure the correct mtmdsclock for deep colors to prepare support for 10, 12 & 16bit output. Signed-off-by: Jonas Karlman Signed-off-by: Neil Armstrong --- drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c index 67fca439bbfb..9e0927d22db6 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c @@ -1818,9 +1818,26 @@ static void hdmi_av_composer(struct dw_hdmi *hdmi, dev_dbg(hdmi->dev, "final pixclk = %d\n", vmode->mpixelclock); + if (!hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format)) { + switch (hdmi_bus_fmt_color_depth( + hdmi->hdmi_data.enc_out_bus_format)) { + case 16: + vmode->mtmdsclock = (u64)vmode->mpixelclock * 2; + break; + case 12: + vmode->mtmdsclock = (u64)vmode->mpixelclock * 3 / 2; + break; + case 10: + vmode->mtmdsclock = (u64)vmode->mpixelclock * 5 / 4; + break; + } + } + if (hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format)) vmode->mtmdsclock /= 2; + dev_dbg(hdmi->dev, "final tmdsclk = %d\n", vmode->mtmdsclock); + /* Set up HDMI_FC_INVIDCONF */ inv_val = (hdmi->hdmi_data.hdcp_enable || (dw_hdmi_support_scdc(hdmi) &&