From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ciao.gmane.io (ciao.gmane.io [116.202.254.214]) by sourceware.org (Postfix) with ESMTPS id 5103D3858C2F for ; Fri, 27 Jan 2023 15:22:23 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 5103D3858C2F Authentication-Results: sourceware.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=m.gmane-mx.org Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1pLQYY-0001iP-8E for cygwin@cygwin.com; Fri, 27 Jan 2023 16:22:22 +0100 X-Injected-Via-Gmane: http://gmane.org/ To: cygwin@cygwin.com From: Franz Fehringer Subject: Cygwin X11 on second (Nvidia) graphics card Date: Fri, 27 Jan 2023 16:22:17 +0100 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.6.1 X-Spam-Status: No, score=1.1 required=5.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED,FORGED_GMAIL_RCVD,FORGED_MUA_MOZILLA,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,KAM_DMARC_STATUS,NML_ADSP_CUSTOM_MED,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=no autolearn_force=no version=3.4.6 X-Spam-Level: * X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: Hi, I have a question which seems quite natural but i cannot find anything useful using google & co. My (business) notebook has two graphics cards, one builtin identifying as Intel Iris Xe and an additional one, a Nvidia MX550. I start X11 (xwin) with defaults (-listen tcp is the only extra option). Using nvidia-smi and the Nvidia activity dialog i see that the Nvidia graphics card is not used. Using glxinfo i see that the builtin Intel Iris Xe is used instead. I already prefer Nvidia over Intel via the Nvidia control panel. How do i make X11 and OpenGL use the Nvidia graphics card instead of the Intel one? Thx in advance Franz