Received: by 2002:a05:6358:d09b:b0:dc:cd0c:909e with SMTP id jc27csp887752rwb; Thu, 15 Dec 2022 03:59:21 -0800 (PST) X-Google-Smtp-Source: AA0mqf5KEX0oqQoQkKsO2wRQdTI9lA7Cb2SiFL1jU5RVKV8seDILCTLqiGPifiqTpwF4MWuhHuIG X-Received: by 2002:a17:907:8b9b:b0:7c1:65f5:7b95 with SMTP id tb27-20020a1709078b9b00b007c165f57b95mr17400613ejc.26.1671105561075; Thu, 15 Dec 2022 03:59:21 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1671105561; cv=none; d=google.com; s=arc-20160816; b=eR3/q4d2BIfkix52I5cAT8eYVdBo9pHC1a1IETRp3tlEkDs410hYg0Z/SaE/Hopg/5 76ay/0z/BUHJ9H1ZD7Lq8wer5e4XzR2DiiYs4sjcFxNL0bpvGvkPRjwdaWibZbyHmtEL l5jzEA48JPhpDcnZELTgjbfQEPhRNQRmTBfuQ1yq/RuBYvPRpfigfmNPQ8KJaUUZQI/B Pj/KPwlIpGg5m8EV28294qgrVAFiZc4XKkgY7tPLFFOG6MEFZKzeC+cGFt8QrDw8TPZa yINpqg+EtxIewwsqLABU5IPoR5gwcjwFNDSSDrMKH1ARPo1p9+8xGG7wfB/rOxAXMs49 YVCQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=KHuddhTs1woKQMA5yxy2mTLY+wNV6WvVLa7elkBE4tw=; b=r0FPFkFOaDvsSJ+d21NSFAM8U8li0G8or9rbUqXIvsu0RtErVGgF+asuCw3mA+ilzx 11GMyzAt0dMFDfAmoo9PLdZDgDiHeaAHnYAmtddK4/V33JIsivf6V1el1d7OEpv7smrx knjvqpUEAK9o9FQQCBpOKUPQdBZFJLbvix6U2L9VQo9KgAQ/fO3YcBXSxoCEZ1+zlJeA NsEF57ciS5zCkcUEjz1lvahs6PwULi5Q+NnY76nOnadMIt5jnnyAGtUNmZslI2YxXEHj xkdE2HAa2B09BXO+XBJ120cugSngfD0tkK68nCluJQ/Wnt0P4/L5PILxoybAuyZRQMfm oOZA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=vkk0Z84j; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id xc10-20020a170907074a00b007bff09aec4bsi7616798ejb.599.2022.12.15.03.59.04; Thu, 15 Dec 2022 03:59:21 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=vkk0Z84j; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229678AbiLOKp0 (ORCPT + 68 others); Thu, 15 Dec 2022 05:45:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49626 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229628AbiLOKpX (ORCPT ); Thu, 15 Dec 2022 05:45:23 -0500 Received: from mail-wm1-x334.google.com (mail-wm1-x334.google.com [IPv6:2a00:1450:4864:20::334]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1C0D21F624 for ; Thu, 15 Dec 2022 02:45:22 -0800 (PST) Received: by mail-wm1-x334.google.com with SMTP id c65-20020a1c3544000000b003cfffd00fc0so1398778wma.1 for ; Thu, 15 Dec 2022 02:45:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=KHuddhTs1woKQMA5yxy2mTLY+wNV6WvVLa7elkBE4tw=; b=vkk0Z84jrKQRm876NHO6IUZ/gtYYo3q7FnC1uP+EyV2QxKZ3VeWyN+x2wUriqyW07k gKhLpngEf5ukIXa2tlu9NbZrQxiZSvpZlqMpGS1OH72wv80WzJMG2mJbM3eVfg2S/Jfh cs8NEvYSzUmAbxL3szMKEoVmwxe8Fho2Yj3D3ZFi386cyq0PLOlg30BFfHSIz6WqwrGr 2Ef5xsIC9DhHlTbyqEMnkhDFt9b4ryWhnjVeAhSSNkIMHp5xHvrTCzhoL+MFRAsw7xKu WAj/P2WYxMICJO9H3YYeRaasNOjsvB4RRJb2gUxVU9JPOmBQ+te+cyQPWKhofnECAdeu 4AhA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=KHuddhTs1woKQMA5yxy2mTLY+wNV6WvVLa7elkBE4tw=; b=5WAQWTitgZcyLQiPbJqChV5/9K6IXLWhZAY04SqdHl1sE07K9ayePa0yUnbKpPwBeT i4m1mpitc524uRLjKBLe1D8Ed7qvyUwbTRUrCqceFHYiJ3oOtEk+157cx4FebGR1y1RP gP5gpebRV0E4TMwOhpRazLrijDX1q8ktyTNT9cR1WuVA+uZbNfBwjfW0uwtPN8pM3AjJ xvI/WqMvkG2sSR07ffy/UgeIvsM5oW9U17QR3Fm1304Fu0xnlfyDXjCrik2/QN8nUbLR XwIuUtTdpGl4MjG0xFmPcWA04WsPtMXviwvfMxMqMDuwOnkde8iLVqiOjQCW56g7IcP5 QNqw== X-Gm-Message-State: ANoB5pkcmZgtuNRANx0EnYnRLqppaahacP5nJ64Gh5kLj/F4t9pINsdv +BEthgs+V9m8Xv3Y/5Mep9+TVg== X-Received: by 2002:a05:600c:310e:b0:3cf:b07a:cd2f with SMTP id g14-20020a05600c310e00b003cfb07acd2fmr21041676wmo.37.1671101120589; Thu, 15 Dec 2022 02:45:20 -0800 (PST) Received: from prec5560.. (freifunk-gw.bsa1-cpe1.syseleven.net. [176.74.57.43]) by smtp.gmail.com with ESMTPSA id m17-20020a7bce11000000b003d2157627a8sm5919771wmc.47.2022.12.15.02.45.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 15 Dec 2022 02:45:19 -0800 (PST) From: Robert Foss To: Laurent Pinchart , Andrzej Hajda , Pin-yen Lin , Neil Armstrong , Jonas Karlman , Jernej Skrabec Cc: Robert Foss , David Airlie , Daniel Vetter , linux-kernel@vger.kernel.org, allen chen , dri-devel@lists.freedesktop.org Subject: Re: [PATCH] drm/bridge: it6505: Add caching for EDID Date: Thu, 15 Dec 2022 11:45:10 +0100 Message-Id: <167110107985.909515.966397009406015766.b4-ty@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221115112720.911158-1-treapking@chromium.org> References: <20221115112720.911158-1-treapking@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=1.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_SBL_CSS,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Level: * X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 15 Nov 2022 19:27:20 +0800, Pin-yen Lin wrote: > Add caching when EDID is read, and invalidate the cache until the > bridge detects HPD low or sink count changes on HPD_IRQ. > > It takes 1.2s for IT6505 bridge to read a 3-block EDID, and skipping > one EDID read would be a notable difference on user experience. > > > [...] Applied, thanks! Repo: https://cgit.freedesktop.org/drm/drm-misc/ [1/1] drm/bridge: it6505: Add caching for EDID commit: 11feaef69d0cb81278294299bbfd86f94c2004e3 Rob