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 D41CCC04FFE for ; Mon, 20 May 2024 13:44:47 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 559B210E353; Mon, 20 May 2024 13:44:46 +0000 (UTC) Received: from omta38.uswest2.a.cloudfilter.net (omta38.uswest2.a.cloudfilter.net [35.89.44.37]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2173210E353 for ; Mon, 20 May 2024 13:44:43 +0000 (UTC) Received: from eig-obgw-6007a.ext.cloudfilter.net ([10.0.30.247]) by cmsmtp with ESMTPS id 8zYCsLljZSLKx93JjsSIlE; Mon, 20 May 2024 13:44:43 +0000 Received: from gator3278.hostgator.com ([198.57.247.242]) by cmsmtp with ESMTPS id 93JisMr5k5Q3W93Jisnv4k; Mon, 20 May 2024 13:44:42 +0000 X-Authority-Analysis: v=2.4 cv=crOdkU4i c=1 sm=1 tr=0 ts=664b53ca a=wI8P0wgu9qut9Qmby1c6ng==:117 a=h+eJxL3/QSVnGqTFzLwsFA==:17 a=_EFfJTh7bTAO8byP:21 a=kj9zAlcOel0A:10 a=TpHVaj0NuXgA:10 a=yDewdsc7jJQA:10 a=VGZVzwQjAAAA:8 a=2rZ2s8yqNwkMNIv42ZYA:9 a=CjuIK1q_8ugA:10 a=7KbCETwRv5F4J-amU3zH:22 Received: from 89-65-233-120.dynamic.chello.pl ([89.65.233.120]:51646 helo=localhost) by gator3278.hostgator.com with esmtpa (Exim 4.96.2) (envelope-from ) id 1s93Jh-001Tck-2T for intel-gfx@lists.freedesktop.org; Mon, 20 May 2024 08:44:42 -0500 Date: Mon, 20 May 2024 15:42:15 +0200 From: Arkadiusz Drabczyk To: intel-gfx@lists.freedesktop.org Subject: Is it possible to distinguish between HDMI and DVI in i915? Message-ID: <20240520134215.GF15976@comp..> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator3278.hostgator.com X-AntiAbuse: Original Domain - lists.freedesktop.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - drabczyk.org X-BWhitelist: no X-Source-IP: 89.65.233.120 X-Source-L: No X-Exim-ID: 1s93Jh-001Tck-2T X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 89-65-233-120.dynamic.chello.pl (localhost) [89.65.233.120]:51646 X-Source-Auth: arkadiusz@drabczyk.org X-Email-Count: 2 X-Org: HG=hgshared;ORG=hostgator; X-Source-Cap: cmt1bXZicmg7cmt1bXZicmg7Z2F0b3IzMjc4Lmhvc3RnYXRvci5jb20= X-Local-Domain: yes X-CMAE-Envelope: MS4xfCkddW8SObxsDTsVXErx9jpqqmSFZMWbn6+l/4k2gtSL0xHmf1lVlz7F3ZdaZZc5WbD+4ESxSZbdAE2Z2X36CqXdZcXYZx6dnbXDvNJpPkCDiFyrSl+r 1dBEUfz1TkfUpzMpG6T1nT3jOuOIWhi5UWRNlW3jyKNGJ8kovd9K9N3KD6jSf425zEVmnjXom+db6khykmyQAz+tPMYBM7NL2wa5mAINeB3Ux3qE2KA3vkSp X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" My Asus Z97-A motherboard has DVI and HDMI connectors but i915 shows 2x HDMI ports (and the 3rd one for DP but a separate DP1 is also shown). Would it be possible to distinguish between DVI and HDMI in the driver code for example by reading some undocumented VBT registers or testing port characteristics or something? -- Arkadiusz Drabczyk