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 43F43C00140 for ; Thu, 18 Aug 2022 18:49:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3639910F5CD; Thu, 18 Aug 2022 18:47:32 +0000 (UTC) Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by gabe.freedesktop.org (Postfix) with ESMTPS id EC54010E1FE for ; Thu, 18 Aug 2022 18:47:09 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 4DEB261762 for ; Thu, 18 Aug 2022 18:47:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id B4923C433B5 for ; Thu, 18 Aug 2022 18:47:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1660848428; bh=X5GdThkHlv77XcaA2spesAqwTcn2YGPOOkslNAukgx0=; h=From:To:Subject:Date:In-Reply-To:References:From; b=mBIJWu3bmvUovCiVfc+F9Jr0oAlaunbAALTECqXtFTuXogGvSsusvPHDPmztR+oHy DV5bjqvElySm4/Woy/ZYqH/0lHUy2VgOjRqNhNG4csBQDkzrcm7Rd7y8n6tjeQkmz6 3zZD+/nU66Hp2vdYcnXP16A7BFndj+4eZUz9Le1Fvuco37RobUe6VBAXLMk/uWeQCi 7fLtRjFZXQpX9ONlneaPbhZogBuqIe19cjLQ4P8sXaq4GeTxBVX68c+fkbl3Yva1u9 E/HXkHsazrsx0eGj/AvCWPL5tk+FyJSPoS5v9fSoBAmAT3rkohH2Rmp5LnAHrRzdF6 8T/zcdOdT3zyw== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 9815FC433E9; Thu, 18 Aug 2022 18:47:08 +0000 (UTC) From: bugzilla-daemon@kernel.org To: dri-devel@lists.freedesktop.org Subject: [Bug 216376] AMDGPU: display output disables and quickly reenables when switching AVR into/from standby doing HDMI passthrough Date: Thu, 18 Aug 2022 18:47:08 +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: low X-Bugzilla-Who: jlp.bugs@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: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" https://bugzilla.kernel.org/show_bug.cgi?id=3D216376 --- Comment #4 from Jure Repinc (jlp.bugs@gmail.com) --- If I got it right, the hotplug events are all posted via udev? If so, is it correct to use "udevadm monitor --environment --udev" to see these events posted to userspace? Or is there somethign better? Just trying to make the = best sense out of it to try making a workaround and gather as much relevant information to report a good bug/feature request with correct info to KDE developers. If I use "udevadm monitor --environment --udev" I get the output: udevadm monitor --environment --udev monitor will print the received events for: UDEV - the event which udev sends out after rule processing < switching AVR from on to standby mode > UDEV [35121.304457] change=20=20 /devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0 (drm) ACTION=3Dchange DEVPATH=3D/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0 SUBSYSTEM=3Ddrm HOTPLUG=3D1 CONNECTOR=3D74 DEVNAME=3D/dev/dri/card0 DEVTYPE=3Ddrm_minor SEQNUM=3D12043 USEC_INITIALIZED=3D4651406 ID_PATH=3Dpci-0000:01:00.0 ID_PATH_TAG=3Dpci-0000_01_00_0 ID_FOR_SEAT=3Ddrm-pci-0000_01_00_0 MAJOR=3D226 MINOR=3D0 DEVLINKS=3D/dev/dri/by-path/pci-0000:01:00.0-card TAGS=3D:uaccess:master-of-seat:seat: CURRENT_TAGS=3D:uaccess:master-of-seat:seat: UDEV [35124.216717] change=20=20 /devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0 (drm) ACTION=3Dchange DEVPATH=3D/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0 SUBSYSTEM=3Ddrm HOTPLUG=3D1 CONNECTOR=3D74 DEVNAME=3D/dev/dri/card0 DEVTYPE=3Ddrm_minor SEQNUM=3D12044 USEC_INITIALIZED=3D4651406 ID_PATH=3Dpci-0000:01:00.0 ID_PATH_TAG=3Dpci-0000_01_00_0 ID_FOR_SEAT=3Ddrm-pci-0000_01_00_0 MAJOR=3D226 MINOR=3D0 DEVLINKS=3D/dev/dri/by-path/pci-0000:01:00.0-card TAGS=3D:uaccess:master-of-seat:seat: CURRENT_TAGS=3D:uaccess:master-of-seat:seat: < switching AVR from standby to on mode > UDEV [35155.373681] change=20=20 /devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0 (drm) ACTION=3Dchange DEVPATH=3D/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0 SUBSYSTEM=3Ddrm HOTPLUG=3D1 CONNECTOR=3D74 DEVNAME=3D/dev/dri/card0 DEVTYPE=3Ddrm_minor SEQNUM=3D12048 USEC_INITIALIZED=3D4651406 ID_PATH=3Dpci-0000:01:00.0 ID_PATH_TAG=3Dpci-0000_01_00_0 ID_FOR_SEAT=3Ddrm-pci-0000_01_00_0 MAJOR=3D226 MINOR=3D0 DEVLINKS=3D/dev/dri/by-path/pci-0000:01:00.0-card TAGS=3D:uaccess:master-of-seat:seat: CURRENT_TAGS=3D:uaccess:master-of-seat:seat: UDEV [35158.196252] change=20=20 /devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0 (drm) ACTION=3Dchange DEVPATH=3D/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0 SUBSYSTEM=3Ddrm HOTPLUG=3D1 CONNECTOR=3D74 DEVNAME=3D/dev/dri/card0 DEVTYPE=3Ddrm_minor SEQNUM=3D12049 USEC_INITIALIZED=3D4651406 ID_PATH=3Dpci-0000:01:00.0 ID_PATH_TAG=3Dpci-0000_01_00_0 ID_FOR_SEAT=3Ddrm-pci-0000_01_00_0 MAJOR=3D226 MINOR=3D0 DEVLINKS=3D/dev/dri/by-path/pci-0000:01:00.0-card TAGS=3D:uaccess:master-of-seat:seat: CURRENT_TAGS=3D:uaccess:master-of-seat:seat: UDEV [35158.953569] change=20=20 /devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0 (drm) ACTION=3Dchange DEVPATH=3D/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0 SUBSYSTEM=3Ddrm HOTPLUG=3D1 CONNECTOR=3D74 DEVNAME=3D/dev/dri/card0 DEVTYPE=3Ddrm_minor SEQNUM=3D12050 USEC_INITIALIZED=3D4651406 ID_PATH=3Dpci-0000:01:00.0 ID_PATH_TAG=3Dpci-0000_01_00_0 ID_FOR_SEAT=3Ddrm-pci-0000_01_00_0 MAJOR=3D226 MINOR=3D0 DEVLINKS=3D/dev/dri/by-path/pci-0000:01:00.0-card TAGS=3D:uaccess:master-of-seat:seat: CURRENT_TAGS=3D:uaccess:master-of-seat:seat: UDEV [35161.036327] change=20=20 /devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0 (drm) ACTION=3Dchange DEVPATH=3D/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0 SUBSYSTEM=3Ddrm HOTPLUG=3D1 CONNECTOR=3D74 DEVNAME=3D/dev/dri/card0 DEVTYPE=3Ddrm_minor SEQNUM=3D12051 USEC_INITIALIZED=3D4651406 ID_PATH=3Dpci-0000:01:00.0 ID_PATH_TAG=3Dpci-0000_01_00_0 ID_FOR_SEAT=3Ddrm-pci-0000_01_00_0 MAJOR=3D226 MINOR=3D0 DEVLINKS=3D/dev/dri/by-path/pci-0000:01:00.0-card TAGS=3D:uaccess:master-of-seat:seat: CURRENT_TAGS=3D:uaccess:master-of-seat:seat: --=20 You may reply to this email to add a comment. 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