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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 04893C3DA6E for ; Thu, 15 Dec 2022 10:45:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230062AbiLOKp1 (ORCPT ); Thu, 15 Dec 2022 05:45:27 -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-Google-Smtp-Source: AA0mqf61J2YEn7tAitSvNv7cg8MsrjGIppG7rPDoRjCfzx+1rPn+1m9vchRs7d/GhhC+bfyHG2RTxA== 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 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 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id F17FAC4332F for ; Thu, 15 Dec 2022 10:45:28 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 83E8510E51F; Thu, 15 Dec 2022 10:45:27 +0000 (UTC) Received: from mail-wm1-x32f.google.com (mail-wm1-x32f.google.com [IPv6:2a00:1450:4864:20::32f]) by gabe.freedesktop.org (Postfix) with ESMTPS id 64F9A10E51F for ; Thu, 15 Dec 2022 10:45:22 +0000 (UTC) Received: by mail-wm1-x32f.google.com with SMTP id b24-20020a05600c4a9800b003d21efdd61dso1492659wmp.3 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=RJxfeMev6M+Wvm3yKDo7PiFNHi39qhOcmptwHHzSzXB3DpHOO97tyYO2tceOdMHZhA JSmPBS/mTBExnRcJ7Ynz7Xkfd5uZ2nnNdKGCHXWkgpyrVplfQ0vzGyCrcytOAGvwaBfu 3KzGU8xK9crUIQi/jdqyRfmOX9n2wTEflCsyLdxRMNX7WOJLpBS52u7cAHIi9vHhKGp/ VGonKHrgcMRjcH/ero3brJdJoG8EK94MxOJAHeiuq28CH54rULKH26UXXdT60mdrbq0p 3nGQq/99kV9iQPhHmhL2fiR7Wv69lZ+QwPkJkkqpKtPRnPhjvEg5HeLaa+S6JjyvyOOq 0oHg== X-Gm-Message-State: ANoB5pk1kZRNkPKrP7L64KTXjWpWXPGhP0VzfJIbnD6hEIpP9xdNtJ6M 5wsW6KOelrGf3gPisIOSltNf+Q== X-Google-Smtp-Source: AA0mqf61J2YEn7tAitSvNv7cg8MsrjGIppG7rPDoRjCfzx+1rPn+1m9vchRs7d/GhhC+bfyHG2RTxA== 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 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-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: allen chen , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Robert Foss Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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