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From: Laszlo Ersek <lersek@redhat.com>
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Date: Thu, 14 Jun 2018 10:32:40 +0200
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Subject: Re: [Qemu-devel] [PATCH v4 3/3] hw/vfio/display: add ramfb support
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To: Gerd Hoffmann <kraxel@redhat.com>, Alex Williamson <alex.williamson@redhat.com>
Cc: qemu-devel@nongnu.org, Paolo Bonzini <pbonzini@redhat.com>, Eduardo Habkost <ehabkost@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Richard Henderson <rth@twiddle.net>, qemu-arm@nongnu.org, "Michael S. Tsirkin" <mst@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, libvir-list@redhat.com, Erik Skultety <eskultet@redhat.com>, Laine Stump <laine@redhat.com>

On 06/14/18 00:36, Gerd Hoffmann wrote:
> On Wed, Jun 13, 2018 at 01:50:47PM -0600, Alex Williamson wrote:

>> I suppose in the UEFI case runtime services can be used to continue
>> writing this display,
> 
> Yes.

Small clarification for the wording -- "UEFI runtime services" do not
include anything display- or graphics-related. Instead, the OS kernel
may inherit the framebuffer properties (base address, size, pixel
format), and continue accessing the framebuffer directly.

Thanks
Laszlo