Received: by 2002:ab2:7855:0:b0:1f9:5764:f03e with SMTP id m21csp299760lqp; Wed, 22 May 2024 05:15:00 -0700 (PDT) X-Forwarded-Encrypted: i=3; AJvYcCXh9Dka2Gj+7tJ4dt1d3V6HaCHvsS/at378Hd8S9WYtfK6vY+9Y/UCup0T7iVqz4yJYt8Kwji3UYd41q1Jf5lXz5b7fhYUydTIjeZVZsA== X-Google-Smtp-Source: AGHT+IH08L2RwLZCKBJrnBkerDpC7ZzCfohFDziaqBj7mvBpOEdmDYBGLBI4v5Lol3I4M8bPvwv6 X-Received: by 2002:a05:6a00:6281:b0:6f4:74b8:3d57 with SMTP id d2e1a72fcca58-6f69fb9c0c9mr14689688b3a.7.1716380100086; Wed, 22 May 2024 05:15:00 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1716380100; cv=pass; d=google.com; s=arc-20160816; b=K+zjAiLLwMAqbrrqY4qH/2SxXvwi4j/QtU7d2n+UCX5VWooqHUlxJfJNWTnUzug50M fZIT8XayXerDUJk32t/w1GOFCP3ntaQWmRzj1yZQHww8xYYyeXcfRbsfSkCEvRMvBibd C1ndTLvPao6FSm32Egw/RJbaENGRmY12xnI2+uKejFmDcjmOJN/dSgs6PalVjpT39H0I hIMZa1IMwTDNoXm+pr20QPOLJ2KJI2wNyLVHVtCq9pD/93nrb7HGNWI46hMTuQmiz1YK pATwAnxXo+PtTDM8p1UOxVYaZ8ObXKPhBjo+HQHzcOkDaLEbzuxs+qqyPXXufz3iw3fy RKZQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:date:message-id:subject :references:in-reply-to:to:from:dkim-signature; bh=WNk8NOaGGwmtrVarcloGIQewAfFz/uRacv3kVz5E6to=; fh=BB/wS+HHyGY8jX71VjZfKyICdDZ6pzA1j3iK4vgROhA=; b=hztPBeuAaGu3JVBQgx93/z890XJtGRY2R3Cv1BGFb3xkujHOMsPtgmqSFiTfms1D47 PEgCxet7mKPnaMMX2uYedHIRGJV0i1oWeDI5A7BoKywgxAgxE+uAc+COMlH9ySWB9BbY wNhFE20iMBZv62U7aqYiUQIsjmyaMpLCQgC9bLfYmd42pNDg03DFODwAbsGv6Cz/6nqQ ZPJ+VpDwt6bmCbDQrCMllDaBP4M3ciY1PjFyrJQ13ngJEFa+i4JNKmEClHTGEAvy5Kpi FZ860uiXER8ZNf4b2uboQfVtC6fiaH/2LS1wWig0S/2v5eMJL/ci9mTzko9DK/ovjpG0 SI9w==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=mWutsMvz; arc=pass (i=1 dkim=pass dkdomain=kernel.org); spf=pass (google.com: domain of linux-kernel+bounces-186202-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) smtp.mailfrom="linux-kernel+bounces-186202-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org. [139.178.88.99]) by mx.google.com with ESMTPS id d2e1a72fcca58-6f4d2a964ccsi25677607b3a.103.2024.05.22.05.14.59 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 May 2024 05:15:00 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-186202-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) client-ip=139.178.88.99; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=mWutsMvz; arc=pass (i=1 dkim=pass dkdomain=kernel.org); spf=pass (google.com: domain of linux-kernel+bounces-186202-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) smtp.mailfrom="linux-kernel+bounces-186202-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id 306B7285E46 for ; Wed, 22 May 2024 12:13:26 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 0842D13D60A; Wed, 22 May 2024 12:13:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="mWutsMvz" Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 314B27D3E0 for ; Wed, 22 May 2024 12:13:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716379999; cv=none; b=eTUnQTLtkPOnnD6b6dM1dwqNXQYOiod/H31mEvV1nBaikDy1Xq5roMWHMlGeMnQaclYJN5fLc761twMN1CUx/vjZUMVZgtc8gjK8CEiaEEiqSFcGiMvgI+obVS30Ci5andyCVv3pRnjPFrzJddQZEEl0U28sP5h+VargsWZBCmQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716379999; c=relaxed/simple; bh=Gr+/A7/ijZDQDz7elG8jrXwS23bISKQ5Fsa85hruja0=; h=From:To:In-Reply-To:References:Subject:Message-Id:Date: MIME-Version:Content-Type; b=m7u7CFsMzy3IgIFIOpAbjHztYG6Xn3KXReIDkz+ebvmMsOtVXH8Gci3ltJ6WGlBr8iz293Em3WNmLIYjKBzjURcvDgS1fZgf0AWQ21fbvujKxiW+6W600DBGd/Xi5m910JN+ykj0pEfkSxdXlZm297NiGoS3VK5wcGfsNResC7c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mWutsMvz; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 27394C2BD11; Wed, 22 May 2024 12:13:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1716379998; bh=Gr+/A7/ijZDQDz7elG8jrXwS23bISKQ5Fsa85hruja0=; h=From:To:In-Reply-To:References:Subject:Date:From; b=mWutsMvzZUBTtqxqBX4RetMNkhaTTqzjlefCaYJAuPvgodzDZXQ/PkYev1wvXFbND ca8sdJCoPETdGJ7iV6OuJyo+P1drtBOcfLv1k6HKTRmQyWmEeHL0j1FLzJbeAtaPng oNen5q2As4+IfplhJMYDH7lASkVtUHX7XZX6xnXoU8Zm2ncmU4MAvP+Ov4F8QYyMQR cf2EodStPBHiIYiJtcJuAq5AeCo8bMNDDscLRxE3MSW90R0XdW0fZ09Tm7UJR1S6be x2fDatp3bqTgGKMU6PtbtG6VtafDYNnM5kWp/m1j+dp/uM8Pl/jFvZfwiHiVY91cyy q74M1J4k1hyXg== From: Robert Foss To: Maxime Ripard , Thomas Zimmermann , Jonas Karlman , Daniel Vetter , AngeloGioacchino Del Regno , Allen Chen , Neil Armstrong , Laurent Pinchart , Maarten Lankhorst , David Airlie , kuro , Kenneth Haung , "open list:DRM DRIVERS" , Pin-yen Lin , Andrzej Hajda , Jernej Skrabec , open list , Hermes Wu In-Reply-To: <20240522065528.1053439-1-kuro.chung@ite.com.tw> References: <20240522065528.1053439-1-kuro.chung@ite.com.tw> Subject: Re: [PATCH v13] drm/bridge: it6505: fix hibernate to resume no display issue Message-Id: <171637999486.1598011.4983921044000498146.b4-ty@kernel.org> Date: Wed, 22 May 2024 14:13:14 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Mailer: b4 0.10.1 On Wed, 22 May 2024 14:55:28 +0800, kuro wrote: > From: Kuro Chung > > When the system power resumes, the TTL input of IT6505 may experience > some noise before the video signal stabilizes, necessitating a video > reset. This patch is implemented to prevent a loop of video error > interrupts, which can occur when a video reset in the video FIFO error > interrupt triggers another such interrupt. The patch processes the SCDT > and FIFO error interrupts simultaneously and ignores any video FIFO > error interrupts caused by a video reset. > > [...] Applied, thanks! [1/1] drm/bridge: it6505: fix hibernate to resume no display issue https://cgit.freedesktop.org/drm/drm-misc/commit/?id=484436ec5c2b Rob