Date: Fri, 15 Jun 2018 15:19:11 -0700 From: John Baldwin <jhb@FreeBSD.org> To: Johannes Lundberg <johalun0@gmail.com>, freebsd-current <freebsd-current@freebsd.org> Subject: Re: Resume without drm driver results in black screen Message-ID: <1e89b7c7-fa43-004f-2343-b031ac63d5a4@FreeBSD.org> In-Reply-To: <CAECmPwu2fHQMFPpMt5uEy_iFQ%2BskMGOe3YOpRn64sBAxw69Fyw@mail.gmail.com> References: <CAECmPwu2fHQMFPpMt5uEy_iFQ%2BskMGOe3YOpRn64sBAxw69Fyw@mail.gmail.com>
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On 5/17/18 3:01 AM, Johannes Lundberg wrote: > Hi > > I revived this old bug > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213501 > > Considering this also affects all X users using scfb driver it's worth > investigating. It's just not doable. You need some sort of driver for the GPU that knows how to turn the display back on. That isn't a portable thing, it's GPU-specific. You could perhaps write smaller drivers that only support resume and not graphics acceleration, but that doesn't seem trivial. -- John Baldwin
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