Date: Wed, 10 Dec 2025 11:58:37 -0800 From: Adrian Chadd <adrian@freebsd.org> To: Austin Shafer <ashafer@freebsd.org> Cc: src-committers@freebsd.org, dev-commits-src-all@freebsd.org, dev-commits-src-branches@freebsd.org Subject: Re: git: 5287dd47b5b6 - stable/14 - linuxkpi: add stub implementation of pm_vt_switch_(un)register Message-ID: <CAJ-Vmom5S78W8k4B1RCf0BmAK-auP-=Wtf8MasFR594fmnVg5g@mail.gmail.com> In-Reply-To: <629adec7-02e8-47d2-9ceb-65d0b11589b2@FreeBSD.org> References: <693750e9.387bb.3a5268c@gitrepo.freebsd.org> <CAJ-VmonpfEPw5xMQeRG4eQz7PDUsZj%2BPo7MA5_fADxVXkygKeg@mail.gmail.com> <629adec7-02e8-47d2-9ceb-65d0b11589b2@FreeBSD.org>
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On Tue, 9 Dec 2025 at 07:27, Austin Shafer <ashafer@freebsd.org> wrote: > > In the default behavior I believe it does. The reason for it is that > the VT switch path triggers the driver to save app contexts and video > memory and the like, so historically (on Linux too) having the VT > switch triggered that shared path to get things ready before doing > the suspend. > > I don't think I've tested with turning that off, I'm not sure exactly > why you'd want to. I haven't heard of that sysctl actually. I've been using it until recently because an i915 bug broke acceleration after VT switch out/switch back. -adrianhelp
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