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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B1B45C433DB for ; Wed, 10 Feb 2021 19:46:32 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 6A03664E38 for ; Wed, 10 Feb 2021 19:46:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6A03664E38 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=bugzilla.kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CAFCB6ECC9; Wed, 10 Feb 2021 19:46:31 +0000 (UTC) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id 76AB66ECC9 for ; Wed, 10 Feb 2021 19:46:30 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPS id 4ECAC64E57 for ; Wed, 10 Feb 2021 19:46:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1612986390; bh=4t5qatiCQ/HUV83XT22fnE9QKWjQC5P7dUG1hGHCIN4=; h=From:To:Subject:Date:In-Reply-To:References:From; b=lEHSBOVOighOMBYWlicnSV4Mpl0dJw4g5DGYa1mbZklHlzrUYOgZt+4TNIscDxoPU 0HaPple6vpIjERamF+O1hZy/GzLswGa1PuZ/JtqkI4gAUjGRirIvJjSW/P/xCDnv7g izm/9kuJtNAHIv00XZ5XzSNm43VrTEjofSpIpEy+jqr52BRhjZVc9KA2QOLU+fdLQG vl4rcABZbWIn2aKLXpE08j/O6DokNijcy7BgpZbKdEvvd78zgdYk25TFWYI89PxnKB mEaRyve6uT+jz+peL2dmFzVJHdWy+Onz1vSA76yjVUFY34uKhVa2UIRzI7cTJcz1/E XvABailmoSFgA== From: bugzilla-daemon@bugzilla.kernel.org To: dri-devel@lists.freedesktop.org Subject: [Bug 211649] "drm/amd/display: reuse current context instead of recreating one" cause hdmi hotplug blackscreen on amdgpu Date: Wed, 10 Feb 2021 19:46:29 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo drivers_video-dri@kernel-bugs.osdl.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: Video(DRI - non Intel) X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: youling257@gmail.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: drivers_video-dri@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created Message-ID: In-Reply-To: References: X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" https://bugzilla.kernel.org/show_bug.cgi?id=211649 --- Comment #9 from youling257@gmail.com --- Created attachment 295197 --> https://bugzilla.kernel.org/attachment.cgi?id=295197&action=edit dmesg.txt I delete "read -n 1", can output dmesg.txt and trace.txt. trace.txt, # tracer: function # # entries-in-buffer/entries-written: 0/0 #P:8 # # _-----=> irqs-off # / _----=> need-resched # | / _---=> hardirq/softirq # || / _--=> preempt-depth # ||| / delay # TASK-PID CPU# |||| TIMESTAMP FUNCTION # | | | |||| | | -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug. _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel