Received: by 2002:a25:c205:0:0:0:0:0 with SMTP id s5csp3243747ybf; Tue, 3 Mar 2020 02:18:50 -0800 (PST) X-Google-Smtp-Source: ADFU+vuZZ2MOo86h+eNid1XbfMnQLrgC1A4kvAUJlwENQ9IroeA2BA+1gL4Hsuw/5kb5TdIwwCzY X-Received: by 2002:a9d:463:: with SMTP id 90mr924783otc.283.1583230730027; Tue, 03 Mar 2020 02:18:50 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1583230730; cv=none; d=google.com; s=arc-20160816; b=Kof+NQQJqy8MRW21l+dTLdC2vnWFy/BZyT7VSEeQ8qV8SWA581G669xFdjBDYfMxQz +/m28paEEZGM+yrp23dJE+0QQ1Z/XsgLGi90gKiPz2W9/d+mRHrOi/zvdG8NRl71aZR0 RzfRXrrB11r11RBUTQauHWRB4rxKxWn2KxLit9acI+JdlIZbfzWeXOuYFkU5w8iYirFz 7Nvy85lFy+IULq0qSBe1xbLRAVNXrVl21R0Yn1Jv22c8cJDFfEgUQjIh4BfgnrozVK3m 1zn13gC/d/LgPU9EWXW7Te89jce+J2AgSl6etVznW4DvrvMn4o4EMIdEOcGK8hZfebGO NOWg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:organization:autocrypt:from:references:cc:to:subject :dkim-signature; bh=YfpfnT9N+enxbVfw8OUfHW35/Eys7WMdDnf9Q3fUgeo=; b=Gx4OcUxqFwrAVlQvq/yTEqUSbVyGaGE7c12T+uCyLQ23hcZJTM6LJ5pNpvtvz4YuGZ 0Ic+5idV6s/FAxjbfI+cUgUBRGAI9T1Fl6+QcoHzSjGcMbOx9CL4Bv2yTJ+eLp61BfUB MQNsHCkxvuCl4YcUL+wN1Ke8YsppQSy2GqgseBePH2Ux0VMYi+3NJgkFlnjoUDfLt9Gb hjZ+V5nd8YzfQCLME5o1bzsYMXyYorCrKNNnz98CGdrkxPLsPi1bLnBrqHlojcsVuD2K 8RQO13RjkYgN0VQdAbGhr6qudxBfJV/CDTwn7mjr072pfcZ/KYyXGY7hVF8UAORBL0qT mvBw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@baylibre-com.20150623.gappssmtp.com header.s=20150623 header.b=NKfeuU6P; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 193si7536377oie.51.2020.03.03.02.18.36; Tue, 03 Mar 2020 02:18:50 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@baylibre-com.20150623.gappssmtp.com header.s=20150623 header.b=NKfeuU6P; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728520AbgCCKRs (ORCPT + 99 others); Tue, 3 Mar 2020 05:17:48 -0500 Received: from mail-wm1-f68.google.com ([209.85.128.68]:54546 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728341AbgCCKRr (ORCPT ); Tue, 3 Mar 2020 05:17:47 -0500 Received: by mail-wm1-f68.google.com with SMTP id i9so1034901wml.4 for ; Tue, 03 Mar 2020 02:17:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:autocrypt:organization:message-id :date:user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=YfpfnT9N+enxbVfw8OUfHW35/Eys7WMdDnf9Q3fUgeo=; b=NKfeuU6PsS0I/cnkSHorRy9uISdCdIHIdHCNfo1YVON/zbC7attc5yn0ODbRKD0H+b 9owqpSDnkSLsYm/ku3TISi58CaGEzCX84WV07V5xHOch4NtbuoPQB221HWwYBg/V51r2 ekzK7YCN1CcAEpGzVUUiydQPDf//7srFD5Iz0+iWFdDq5sUU6vf+t8JFY71jOUqH+gDE vv9ODutAa1HIrx7ubIpuHfwdftrV+voWpKz/HFiHs7zTtR94aWjh5UZrTWdhI23ZQFF4 gxbHsB8m8KrJZqUpc3aYQJ9k/o1+KuI+duF7WPXRKGIbWdC8g0+u8v+IKQTXssCYOQdw dwOw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:autocrypt :organization:message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=YfpfnT9N+enxbVfw8OUfHW35/Eys7WMdDnf9Q3fUgeo=; b=KWYY3+ZuFCXT91GbSm35w6oQ+/n42VLyAjmaXnT2ns31jfoNaKvgNvW+jSBSVclhwx COOqgJ3GNTLp9kzHpj9jbMtfbWyCBV6WvC1xNT2v4t9B49Eg0CeEiDH/emzSVYRDbQ1j coNajQDQOqw1rSfiTkHvRRA2fkEzkvvHU7zIKK3FeqI4s57zVzkMKwiYFf2W03Qb8cZk ogspp9+K0w9yPOtPpWRP9gD2YNREPMwLzGQYzm+OGeUR5eh1dVBZCRtSUUTcGTzOpKf8 yVHMFTLyY891T7/p7VifwNKHcSjTeLFTyFCXjJ8eNyqQlw39k2WdcgwDniesAdSpxF/+ gzrg== X-Gm-Message-State: ANhLgQ06IyrYGWumCbDA7UjpUAC9KTl2aluP6w9gjO4daTRORzKeJrsV Ip6v9Fv+a8cpABtAGygmj/s3kFR+g8XxRw== X-Received: by 2002:a1c:2358:: with SMTP id j85mr3841579wmj.137.1583230664639; Tue, 03 Mar 2020 02:17:44 -0800 (PST) Received: from [10.1.3.173] (laubervilliers-658-1-213-31.w90-63.abo.wanadoo.fr. [90.63.244.31]) by smtp.gmail.com with ESMTPSA id i204sm3284696wma.44.2020.03.03.02.17.43 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 03 Mar 2020 02:17:44 -0800 (PST) Subject: Re: [PATCH 2/4] drm/bridge: dw-hdmi: Fix color space conversion detection To: =?UTF-8?Q?Jernej_=c5=a0krabec?= , a.hajda@samsung.com Cc: Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, airlied@linux.ie, daniel@ffwll.ch, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org References: <20200229163043.158262-1-jernej.skrabec@siol.net> <20200229163043.158262-3-jernej.skrabec@siol.net> <1955232.bB369e8A3T@jernej-laptop> From: Neil Armstrong Autocrypt: addr=narmstrong@baylibre.com; prefer-encrypt=mutual; keydata= xsBNBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAHNKE5laWwgQXJtc3Ryb25nIDxuYXJtc3Ryb25nQGJheWxpYnJlLmNvbT7CwHsEEwEKACUC GyMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheABQJXDO2CAhkBAAoJEBaat7Gkz/iubGIH/iyk RqvgB62oKOFlgOTYCMkYpm2aAOZZLf6VKHKc7DoVwuUkjHfIRXdslbrxi4pk5VKU6ZP9AKsN NtMZntB8WrBTtkAZfZbTF7850uwd3eU5cN/7N1Q6g0JQihE7w4GlIkEpQ8vwSg5W7hkx3yQ6 2YzrUZh/b7QThXbNZ7xOeSEms014QXazx8+txR7jrGF3dYxBsCkotO/8DNtZ1R+aUvRfpKg5 ZgABTC0LmAQnuUUf2PHcKFAHZo5KrdO+tyfL+LgTUXIXkK+tenkLsAJ0cagz1EZ5gntuheLD YJuzS4zN+1Asmb9kVKxhjSQOcIh6g2tw7vaYJgL/OzJtZi6JlIXOwU0EVid/pAEQAND7AFhr 5faf/EhDP9FSgYd/zgmb7JOpFPje3uw7jz9wFb28Cf0Y3CcncdElYoBNbRlesKvjQRL8mozV 9RN+IUMHdUx1akR/A4BPXNdL7StfzKWOCxZHVS+rIQ/fE3Qz/jRmT6t2ZkpplLxVBpdu95qJ YwSZjuwFXdC+A7MHtQXYi3UfCgKiflj4+/ITcKC6EF32KrmIRqamQwiRsDcUUKlAUjkCLcHL CQvNsDdm2cxdHxC32AVm3Je8VCsH7/qEPMQ+cEZk47HOR3+Ihfn1LEG5LfwsyWE8/JxsU2a1 q44LQM2lcK/0AKAL20XDd7ERH/FCBKkNVzi+svYJpyvCZCnWT0TRb72mT+XxLWNwfHTeGALE +1As4jIS72IglvbtONxc2OIid3tR5rX3k2V0iud0P7Hnz/JTdfvSpVj55ZurOl2XAXUpGbq5 XRk5CESFuLQV8oqCxgWAEgFyEapI4GwJsvfl/2Er8kLoucYO1Id4mz6N33+omPhaoXfHyLSy dxD+CzNJqN2GdavGtobdvv/2V0wukqj86iKF8toLG2/Fia3DxMaGUxqI7GMOuiGZjXPt/et/ qeOySghdQ7Sdpu6fWc8CJXV2mOV6DrSzc6ZVB4SmvdoruBHWWOR6YnMz01ShFE49pPucyU1h Av4jC62El3pdCrDOnWNFMYbbon3vABEBAAHCwn4EGAECAAkFAlYnf6QCGwICKQkQFpq3saTP +K7BXSAEGQECAAYFAlYnf6QACgkQd9zb2sjISdGToxAAkOjSfGxp0ulgHboUAtmxaU3viucV e2Hl1BVDtKSKmbIVZmEUvx9D06IijFaEzqtKD34LXD6fjl4HIyDZvwfeaZCbJbO10j3k7FJE QrBtpdVqkJxme/nYlGOVzcOiKIepNkwvnHVnuVDVPcXyj2wqtsU7VZDDX41z3X4xTQwY3SO1 9nRO+f+i4RmtJcITgregMa2PcB0LvrjJlWroI+KAKCzoTHzSTpCXMJ1U/dEqyc87bFBdc+DI k8mWkPxsccdbs4t+hH0NoE3Kal9xtAl56RCtO/KgBLAQ5M8oToJVatxAjO1SnRYVN1EaAwrR xkHdd97qw6nbg9BMcAoa2NMc0/9MeiaQfbgW6b0reIz/haHhXZ6oYSCl15Knkr4t1o3I2Bqr Mw623gdiTzotgtId8VfLB2Vsatj35OqIn5lVbi2ua6I0gkI6S7xJhqeyrfhDNgzTHdQVHB9/ 7jnM0ERXNy1Ket6aDWZWCvM59dTyu37g3VvYzGis8XzrX1oLBU/tTXqo1IFqqIAmvh7lI0Se gCrXz7UanxCwUbQBFjzGn6pooEHJYRLuVGLdBuoApl/I4dLqCZij2AGa4CFzrn9W0cwm3HCO lR43gFyz0dSkMwNUd195FrvfAz7Bjmmi19DnORKnQmlvGe/9xEEfr5zjey1N9+mt3//geDP6 clwKBkq0JggA+RTEAELzkgPYKJ3NutoStUAKZGiLOFMpHY6KpItbbHjF2ZKIU1whaRYkHpB2 uLQXOzZ0d7x60PUdhqG3VmFnzXSztA4vsnDKk7x2xw0pMSTKhMafpxaPQJf494/jGnwBHyi3 h3QGG1RjfhQ/OMTX/HKtAUB2ct3Q8/jBfF0hS5GzT6dYtj0Ci7+8LUsB2VoayhNXMnaBfh+Q pAhaFfRZWTjUFIV4MpDdFDame7PB50s73gF/pfQbjw5Wxtes/0FnqydfId95s+eej+17ldGp lMv1ok7K0H/WJSdr7UwDAHEYU++p4RRTJP6DHWXcByVlpNQ4SSAiivmWiwOt490+Ac7ATQRN WQbPAQgAvIoM384ZRFocFXPCOBir5m2J+96R2tI2XxMgMfyDXGJwFilBNs+fpttJlt2995A8 0JwPj8SFdm6FBcxygmxBBCc7i/BVQuY8aC0Z/w9Vzt3Eo561r6pSHr5JGHe8hwBQUcNPd/9l 2ynP57YTSE9XaGJK8gIuTXWo7pzIkTXfN40Wh5jeCCspj4jNsWiYhljjIbrEj300g8RUT2U0 FcEoiV7AjJWWQ5pi8lZJX6nmB0lc69Jw03V6mblgeZ/1oTZmOepkagwy2zLDXxihf0GowUif GphBDeP8elWBNK+ajl5rmpAMNRoKxpN/xR4NzBg62AjyIvigdywa1RehSTfccQARAQABwsBf BBgBAgAJBQJNWQbPAhsMAAoJEBaat7Gkz/iuteIH+wZuRDqK0ysAh+czshtG6JJlLW6eXJJR Vi7dIPpgFic2LcbkSlvB8E25Pcfz/+tW+04Urg4PxxFiTFdFCZO+prfd4Mge7/OvUcwoSub7 ZIPo8726ZF5/xXzajahoIu9/hZ4iywWPAHRvprXaim5E/vKjcTeBMJIqZtS4u/UK3EpAX59R XVxVpM8zJPbk535ELUr6I5HQXnihQm8l6rt9TNuf8p2WEDxc8bPAZHLjNyw9a/CdeB97m2Tr zR8QplXA5kogS4kLe/7/JmlDMO8Zgm9vKLHSUeesLOrjdZ59EcjldNNBszRZQgEhwaarfz46 BSwxi7g3Mu7u5kUByanqHyA= Organization: Baylibre Message-ID: <610707a3-1596-252d-f507-c3c70179683d@baylibre.com> Date: Tue, 3 Mar 2020 11:17:43 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <1955232.bB369e8A3T@jernej-laptop> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/03/2020 17:42, Jernej Škrabec wrote: > Dne ponedeljek, 02. marec 2020 ob 10:26:09 CET je Neil Armstrong napisal(a): >> Hi Jernej, >> >> On 29/02/2020 17:30, Jernej Skrabec wrote: >>> Currently, is_color_space_conversion() compares not only color spaces >>> but also formats. For example, function would return true if YCbCr 4:4:4 >>> and YCbCr 4:2:2 would be set. Obviously in that case color spaces are >>> the same. >>> >>> Fix that by comparing if both values represent RGB color space. >>> >>> Fixes: b21f4b658df8 ("drm: imx: imx-hdmi: move imx-hdmi to >>> bridge/dw_hdmi") >>> Signed-off-by: Jernej Skrabec >>> --- >>> >>> drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 3 ++- >>> 1 file changed, 2 insertions(+), 1 deletion(-) >>> >>> diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c >>> b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c index >>> 24965e53d351..9d7bfb1cb213 100644 >>> --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c >>> +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c >>> @@ -956,7 +956,8 @@ static void hdmi_video_sample(struct dw_hdmi *hdmi) >>> >>> static int is_color_space_conversion(struct dw_hdmi *hdmi) >>> { >>> >>> - return hdmi->hdmi_data.enc_in_bus_format != >>> hdmi->hdmi_data.enc_out_bus_format; + return >>> hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_in_bus_format) != >>> + hdmi_bus_fmt_is_rgb(hdmi- >> hdmi_data.enc_out_bus_format); >>> >>> } >>> >>> static int is_color_space_decimation(struct dw_hdmi *hdmi) >> >> I think in this case you should also fix the CEC enablement to: >> if (is_color_space_conversion(hdmi) || is_color_space_decimation(hdmi)) >> >> in dw_hdmi_enable_video_path() otherwise CSC won't be enabled and will be >> bypassed in decimation case only. > > On second thought, I think original implementation is correct, just misnamed. > Laurent, Neil, do you agree if I replace this patch with patch which renames > is_color_space_conversion() to is_conversion_needed() ? Sure, Neil > > Best regards, > Jernej > > >