From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.muc.de (mail.muc.de [193.149.48.3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D6C6638911B for ; Thu, 27 Aug 2026 19:23:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.149.48.3 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787858614; cv=none; b=IJZM8iCi0jyTqyvacbFhM9x/wlKy5xtIhNSuO8hSSGHkwVxU159/8L23tGvLNvcuBXff/81KLVga22Qs0QXxtj1cM315HRQtrp5xMgxEAHt+xe0wZpx990l9XtseeWUWsRKNHt88f5IasCKHPcktvhytoMtPhjvhR5HNQWKNZ7o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787858614; c=relaxed/simple; bh=sJuobXBSZ212/N11LPCC3AWMDR+8fmUlzrVNIfK4kQg=; h=Date:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To:From; b=mOg+4Dd1VWXA8tBkfId2ZCJIlTCEZoZgfZ5BD/KMP+EJmXGBJ8afs/uPvji2HFOgbyrw2sogyemy7je8+kpapXnhxPhzAAzWrdJSvmB7oVFpZTwBHfuBV4ddPRw08lqSdXlrdbdqpAWT9z8vYUlPEYQUPrfm/S3iPZuKQfytk1I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=muc.de; spf=pass smtp.mailfrom=muc.de; arc=none smtp.client-ip=193.149.48.3 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=muc.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=muc.de Received: (qmail 43814 invoked by uid 3782); 27 Aug 2026 21:23:30 +0200 Received: from muc.de (p4fe15cdf.dip0.t-ipconnect.de [79.225.92.223]) (using STARTTLS) by colin.muc.de (tmda-ofmipd) with ESMTP; Thu, 27 Aug 2026 21:23:30 +0200 Received: (qmail 31421 invoked by uid 1000); 27 Aug 2026 19:23:29 -0000 Date: Thu, 27 Aug 2026 19:23:29 +0000 To: Greg Kroah-Hartman Cc: Jiri Slaby , Simona Vetter , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: More than 256/512 glyphs on the Liinux console Message-ID: References: <2025022243-street-joylessly-6dfa@gregkh> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2025022243-street-joylessly-6dfa@gregkh> X-Submission-Agent: TMDA/1.3.x (Ph3nix) From: Alan Mackenzie X-Primary-Address: acm@muc.de [ Following a break of ~18 months ] On Sat, Feb 22, 2025 at 09:48:32 +0100, Greg Kroah-Hartman wrote: > On Fri, Feb 21, 2025 at 03:35:59PM +0000, Alan Mackenzie wrote: > > > > Dear Linux Maintainers, > > > > The Linux console is currently restricted to 256/512 glyphs, the VGA > > standard from the 1980s. I would like that restriction to be lifted, and > > believe that many other console users would agree. > First off, why? What about the move to get rid of the vt code entirely, > if you do that, can't you get proper glyphs with the drm subsystem? We talked back then about kmscon. It doesn't look to me to be a suitable replacement for the Linux console yet, at least for me anyway, for quite a few reasons. > Doing huge changes for a subsystem that almost everyone agrees should > only be kept around for legacy reasons is a rough undertaking. > > > I would very much like further to develop and to refine this code to the > > point where it is suitable for inclusion in the mainline kernel. What do > > you say? > Only you can decide what you want to work on. If you have working > patches, and submit them so that they can be reviewed, we'll be glad to > do so. I've just submitted a series of patches to a few mailing lists and several people, including yourself. > But again, you are going to have to answer the reason "why" first. The main reason I don't like kmscon (yet) is that it has no key bindings - to switch to a specific VT (or something analogous). This would make it unusable for my current work flow, where I have 20 tty's running, and switch between them frequently using - or --. Even though kmscon has been included in some distributions (including Fedora), I have failed to find any user reviews of it in a web search. In particular, I'm looking for somebody writing something like "I've been using kmscon for weeks, and I find it delightful.". > thanks, > greg k-h -- Alan Mackenzie (Nuremberg, Germany).