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[23.128.96.18]) by mx.google.com with ESMTP id a27si1437249ejc.18.2021.01.13.12.29.14; Wed, 13 Jan 2021 12:29:38 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@chromium.org header.s=google header.b="W3/hfnVx"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728934AbhAMU0h (ORCPT + 99 others); Wed, 13 Jan 2021 15:26:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58082 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726599AbhAMU0h (ORCPT ); Wed, 13 Jan 2021 15:26:37 -0500 Received: from mail-pl1-x62f.google.com (mail-pl1-x62f.google.com [IPv6:2607:f8b0:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D389AC06179F for ; Wed, 13 Jan 2021 12:25:56 -0800 (PST) Received: by mail-pl1-x62f.google.com with SMTP id j1so1727512pld.3 for ; Wed, 13 Jan 2021 12:25:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=mime-version:content-transfer-encoding:in-reply-to:references :subject:from:cc:to:date:message-id:user-agent; bh=gcin89rV0I7IqOVbv9QUmTeBAufbW/EP7UVT7uECDZc=; b=W3/hfnVx1RKsL4BcMpubo4sIVkeHPQNvBiKClmnTGfqiZIKSQNo4mDZfx0kJQnXQm7 D6jatbyMCWCHJMfpg2HfYmnwgMGkzs5HYGM0kgMjpRA0wpvjZq/pIqVf6PJsRt+Kx6XW r/YcVR2l5+N25gm2DaDM+Ap+SK+7GQuvK7rx4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:content-transfer-encoding :in-reply-to:references:subject:from:cc:to:date:message-id :user-agent; bh=gcin89rV0I7IqOVbv9QUmTeBAufbW/EP7UVT7uECDZc=; b=OqNVPGSfiAwnq/jzYn8dDLy+cYujw3UXD7aF6nNcFE3r1KrWLkSOGeAUAnuccuZqLS 2d+U4Wx/FdJ4FH4+UQjnd6WzGzS3w5S4BkUtV0aVhjY3h4xccB240YBSK8PB6PnfgwMt 2RVzgno3smE0Xo+RPxC7D/N0zv6I6YDlrir1ybyv/u65eJxJY5QKvqR0Y31wb7JTEMf5 4tkZn2Hyk+ULsrOPTc522/wdJfTiEiicy624a0dutrIasYFqopzAYDHS2oYr5qhR+CaV Y5BSUNfd6qIz25495zYMNu3slJsm2hs66QMoaerlT6uZuMtuHeIbYvdlB3VW2cQWRfWh im9A== X-Gm-Message-State: AOAM531iyI/Y89Q6SdRXojh3aZ/ziYEDfgI8ZbOhqRCiw5FkwYWdT2+J 67Dx3qpWkffK5g1ZD5glWfq49A== X-Received: by 2002:a17:902:9009:b029:dc:52a6:575 with SMTP id a9-20020a1709029009b02900dc52a60575mr3869284plp.57.1610569556468; Wed, 13 Jan 2021 12:25:56 -0800 (PST) Received: from chromium.org ([2620:15c:202:201:3e52:82ff:fe6c:83ab]) by smtp.gmail.com with ESMTPSA id 36sm3511232pgr.56.2021.01.13.12.25.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Jan 2021 12:25:55 -0800 (PST) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable In-Reply-To: <1610564400-29788-1-git-send-email-khsieh@codeaurora.org> References: <1610564400-29788-1-git-send-email-khsieh@codeaurora.org> Subject: Re: [PATCH v2 0/2] fix missing unplug interrupt problem From: Stephen Boyd Cc: Kuogee Hsieh , tanmay@codeaurora.org, abhinavk@codeaurora.org, aravindh@codeaurora.org, airlied@linux.ie, daniel@ffwll.ch, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org To: Kuogee Hsieh , dri-devel@lists.freedesktop.org, robdclark@gmail.com, sean@poorly.run Date: Wed, 13 Jan 2021 12:25:54 -0800 Message-ID: <161056955435.3661239.1548841852585636847@swboyd.mtv.corp.google.com> User-Agent: alot/0.9.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Quoting Kuogee Hsieh (2021-01-13 10:59:58) > Both AUX_SW_RESET and DP_SW_RESET clear pending HPD interrupts. > Therefore irq_hpd handler should not issues either aux or sw reset > to avoid following unplug interrupt be cleared accidentally. >=20 > Kuogee Hsieh (2): > drm/msm/dp: return fail when both link lane and rate are 0 at dpcd > read > drm/msm/dp: unplug interrupt missed after irq_hpd handler It won't apply to the drm msm tree. Please rebase and resend.