From nobody Tue Jan 4 13:19:17 2022 X-Original-To: freebsd-hackers@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4D2BA193B7DC for ; Tue, 4 Jan 2022 13:19:26 +0000 (UTC) (envelope-from gardask@gmail.com) Received: from mail-ed1-x529.google.com (mail-ed1-x529.google.com [IPv6:2a00:1450:4864:20::529]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1D4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4JStW208Ldz4sQG for ; Tue, 4 Jan 2022 13:19:25 +0000 (UTC) (envelope-from gardask@gmail.com) Received: by mail-ed1-x529.google.com with SMTP id u25so27080024edf.1 for ; Tue, 04 Jan 2022 05:19:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=Y70cAgcyxdORAdAnK+XNev/pMB75mXwYrzcTgD+JQIE=; b=OwLZWALXS22x0av+SQM8WEaTAtz3IR6TzzPU/2vUaYYdg+SkPQ1rSn3RFnEOTHh1wx IFcxpKDc2US6w56zkcERwOGoVqL1pvSBqHzBPO91uWK5T3A9EuJcWLam+hj4b32e77ba qmhaiS2GN+dgmrgDHfKDuvqzTk0WMcAVF04A5nW2O47uOWOxIOEjO5EIsgFilFZvyVIx 90eGe0ievRazKG+d6uRHCb4rNgYEfcfX7nJrDKG+mBnXN+StlqRyP4I9SP0W7/t/mJkR VemOqEUSGAqb2GyS43ZBA3bOrDl+LdlqLMLLpSU7ay4o9wDoaqM1prB+cDBO2dAjq1ux NA8A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=Y70cAgcyxdORAdAnK+XNev/pMB75mXwYrzcTgD+JQIE=; b=ikasDqSt6NjZIQYMJrSqRRUAettlhMiHKQFZCdRlsPZl3oWYw/+ozox0xi5G3MGdg5 YCWy+vpTfVHIBfm6LLQFwUf6Js+l3CPe5F+YUC81hdiK2Ku9/54Y+K/C/QZG7ikbABEJ PxhduZtU4WNNVy5VLc7S5qADWV3MGaMbo6DlAAOg9fyiOfX3cZeWMLuHmSwP8a7sqLPi gdw9CUXuc81RnUAhubjSUCy5yjNEMz4pXxeqO41zgov+aYpz0UfoyuOtHefpB/cvD3ss 4bKrOEDZDrk2W2hyrLpFEa/mKiNQPiqrmA+hPnQw7h70c+33CPUYy303hZm0oVkP3GKk vzJA== X-Gm-Message-State: AOAM532tD0XV8N0trp2S+OxtIEBBNvlxQi1xjtEaaR0a9T23KbcM4+O3 BaOIAXHq7VUOx55bQ67bmRZFdCmubCM= X-Google-Smtp-Source: ABdhPJyoh+ZEAvxinpHEjUXtDEVB5UNIbwZXSUyKi22lO7lccTDEsR/pmoPZW9paq8V8kbaXckCx3g== X-Received: by 2002:a17:907:7da5:: with SMTP id oz37mr41583882ejc.586.1641302358509; Tue, 04 Jan 2022 05:19:18 -0800 (PST) Received: from [10.0.30.5] ([31.47.99.1]) by smtp.gmail.com with ESMTPSA id cb3sm14699215edb.35.2022.01.04.05.19.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 04 Jan 2022 05:19:18 -0800 (PST) Subject: Re: Call for Foundation-supported Project Ideas To: Stefan Blachmann , Warner Losh Cc: FreeBSD Hackers References: <861r36xzpe.fsf@phe.ftfl.ca> <61100a28-40ae-4458-d7d5-3bc9b13ba219@gmail.com> <864k6qj6x6.fsf@phe.ftfl.ca> <86zgoihs64.fsf@phe.ftfl.ca> From: Karel Gardas Message-ID: <13b4121f-0e3f-1650-f362-4d4a8209ac8f@gmail.com> Date: Tue, 4 Jan 2022 14:19:17 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 List-Id: Technical discussions relating to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-hackers List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-hackers@freebsd.org MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4JStW208Ldz4sQG X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] X-ThisMailContainsUnwantedMimeParts: N On 1/4/22 8:14 AM, Stefan Blachmann wrote: > On 1/4/22, Warner Losh wrote: >> Not without loading the xorg graphics stuff... graphics chips from the last >> 15 or 20 years have lots of chip specific state that only the graphics >> stuff knows about... IIRC, it only knows about it because it put the >> graphics into a known state... it's the main reason laptops stopped >> suspending in the early 2000s... it looks to be a lot of work for a >> relatively rare use case... > > UEFI GOP seems to have the necessary functionalities > (https://wiki.osdev.org/GOP#Get_the_Current_Mode) so I guess the work > required would be limited (restore mode and redraw screen from > buffer). Wouldn't that stumble over drm based driver code? Assuming majority of users are using drm based X server and not efifb based one...