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 18C30C04FFE for ; Mon, 20 May 2024 15:42:40 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 346D710E66C; Mon, 20 May 2024 15:42:39 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="RN2NUZqh"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2F6F210E72F for ; Mon, 20 May 2024 15:42:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1716219754; x=1747755754; h=from:to:subject:in-reply-to:references:date:message-id: mime-version; bh=1LjQ5pAMFeVw+iMB+WjNBlHjncyFESbSwiOgyPn4wBY=; b=RN2NUZqhXGVCK3Yra6/qwFYNmqh47N3b7Pjc2ZgfnSnmaenkNfs/pen1 hiG5wpSKN3gWc8RYEq8QcGv2trxBLH+f3hA3AZc/Hs/OXY2W2zwsfYMLk +Jp/pNtdmidmXNCLS5pM0ClDZpUUMgMqya5SmEyYR/aUmz5QSUAs+BsDq N3ol51+EWyuH67MUomu4OIV7Xj2WDMbA983cJEE6U8kiJQRAgEx/gVW4F cxEyzi+bOnxyfrpRSVg9c1KfSwJzt4pW1CaFEW/4nFYwJgjILrTh55+Iy Wwy8K8IFxDjhFIshBaVHUbXuW/u9CPhgkAC7tI406xDht9Nr9zcYXxVDY A==; X-CSE-ConnectionGUID: YzxlP3cPQhOLthFiM7czdg== X-CSE-MsgGUID: NVMrZAvKSTmUB3UuXaA0Kw== X-IronPort-AV: E=McAfee;i="6600,9927,11078"; a="23766136" X-IronPort-AV: E=Sophos;i="6.08,175,1712646000"; d="scan'208";a="23766136" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 May 2024 08:42:33 -0700 X-CSE-ConnectionGUID: 84QKifLDTKygqz8PfLe8zQ== X-CSE-MsgGUID: qRJ5xoNPRjG6/0b87ayoDw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,175,1712646000"; d="scan'208";a="37111543" Received: from unknown (HELO localhost) ([10.245.246.99]) by fmviesa003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 May 2024 08:42:31 -0700 From: Jani Nikula To: Arkadiusz Drabczyk , intel-gfx@lists.freedesktop.org Subject: Re: Is it possible to distinguish between HDMI and DVI in i915? In-Reply-To: <20240520134215.GF15976@comp..> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20240520134215.GF15976@comp..> Date: Mon, 20 May 2024 18:42:28 +0300 Message-ID: <875xv8sd5n.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain 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" On Mon, 20 May 2024, Arkadiusz Drabczyk wrote: > 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? Please file a bug as described at [1], attach dmesg with drm.debug=14 and VBT as described in the link, and we'll be able to tell you more. Thanks, Jani. [1] https://drm.pages.freedesktop.org/intel-docs/how-to-file-i915-bugs.html -- Jani Nikula, Intel