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 DA59AC0015E for ; Sun, 16 Jul 2023 09:10:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229804AbjGPJKj (ORCPT ); Sun, 16 Jul 2023 05:10:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55192 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229787AbjGPJKi (ORCPT ); Sun, 16 Jul 2023 05:10:38 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 127A0E50 for ; Sun, 16 Jul 2023 02:10:37 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 8F35260C50 for ; Sun, 16 Jul 2023 09:10:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 0062DC433C7 for ; Sun, 16 Jul 2023 09:10:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1689498636; bh=8kgAVeiBA3Cy9e++zQZwH7t7YolUUH+h+7jzm+wGl5I=; h=From:To:Subject:Date:From; b=X+BuLHiKIux83851CFq7kXHD2XctboJXYv8dhLPkzCuk8wqcfFnfNuN3Ref3KogJ4 HaWJQm6fS918LAwUTaTuW7XVOMsbfkMT85jugaexoyf2wKeTwAvtwNF3+MUTNKSzbC JPG8R6hG5YdY8pt0LBKKr8XUb35ZRUzbtW+c9UQZuSEazlt3BAjmg1caFoTs/v90ZR +wPB7WeJTA8Z+hih+D/6uEmsWZEOhgSMqKbuCb3PRiyW5ihhWX3OzwV7H8b3GpzKLU ECh6SkJ+A22wfUDDs9dw7LQS5waVtloxQ0bnfn3VURG0yMnntjfQmlHh31cbGTnS6L dzpg3VqqOmCRg== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id C799FC4332E; Sun, 16 Jul 2023 09:10:35 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 217674] New: Thunderbolt dock does not recognize displays connected via DP->HDMI cable Date: Sun, 16 Jul 2023 09:10:35 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: AssignedTo drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: USB X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: planetmarshalluk@gmail.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter cf_regression attachments.created Message-ID: 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 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=3D217674 Bug ID: 217674 Summary: Thunderbolt dock does not recognize displays connected via DP->HDMI cable Product: Drivers Version: 2.5 Hardware: AMD OS: Linux Status: NEW Severity: normal Priority: P3 Component: USB Assignee: drivers_usb@kernel-bugs.kernel.org Reporter: planetmarshalluk@gmail.com Regression: No Created attachment 304641 --> https://bugzilla.kernel.org/attachment.cgi?id=3D304641&action=3Dedit lspci -v output Summary ------- When using a thunderbolt dock with 2x DisplayPort connectors, the displayys= are not recognized when connected with DP->HDMI cables. Connecting over DP->DP cables work as expected. Expected Behaviour ------------------ Displays connected to the dock via DP->HDMI cables should be recognized. Actual Behaviour ---------------- Displays connected to the dock via DP->HDMI cables are not recognized. The following messages are reported in `dmesg` ``` [68022.156971] thunderbolt 0-2: new device found, vendor=3D0x6f device=3D0x= 12 [68022.156977] thunderbolt 0-2: StarTech.com TB3CDK2DP ...various USB connection messages... [68139.834086] [drm] DMUB HPD callback: link_index=3D2 [68139.834859] [drm] DPIA AUX failed on 0x0(1), error 3 [68139.836167] [drm] DPIA AUX failed on 0x0(1), error 3 (etc) ``` USB ports and network connection functions as expected. Steps to Reproduce ------------------ Laptop used is Asus G14 (2023) model GA402NV Dock is Startech TB3CDK2DP Reproduced on Linux Kernel 6.4.3 from stable repo 1. Connect laptop to dock over USB-C 2. Connect an external display with DP->HDMI cable 3. Open appropriate display settings to see if external display is recogniz= ed. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.=