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Re: [RFC PATCH 0/3] staging: remove fbdev drivers

From Benjamin Herrenschmidt <benh@kernel.crashing.org>
Newsgroups linux.kernel
Subject Re: [RFC PATCH 0/3] staging: remove fbdev drivers
Date 2016-12-08 23:00 +0100
Message-ID <sMeTo-30n-17@gated-at.bofh.it> (permalink)
References (5 earlier) <sM7RT-7ch-5@gated-at.bofh.it> <sM81A-7fI-23@gated-at.bofh.it> <sM8bg-7j1-31@gated-at.bofh.it> <sM8NY-7L9-73@gated-at.bofh.it> <sMeA1-2TA-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Fri, 2016-12-09 at 08:34 +1100, Benjamin Herrenschmidt wrote:
> As I mentioned earlier, probably 1 or 2 years ago, Dave made the
> argument that shadowing through memory was necessary and precluded 2D
> accel, though I don't fully remember the root of the argument. If that
> is indeed not the case, then my main objection is lifted.

Things seem to change quickly as Daniel pointed out.

So ast and cirrus seem to still use a manual dirty tracking and
shadowing (though I'm not sure why), but the infrastructure for
that has moved from the drivers to the helpers.

bochs (qemu) doesn't seem to anymore from what I can see as it
doesn't have a ->dirty callback.

Cheers,
Ben.

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Re: [RFC PATCH 0/3] staging: remove fbdev drivers Benjamin Herrenschmidt <benh@kernel.crashing.org> - 2016-12-08 02:10 +0100
  Re: [RFC PATCH 0/3] staging: remove fbdev drivers Tomi Valkeinen <tomi.valkeinen@ti.com> - 2016-12-08 09:10 +0100
    Re: [RFC PATCH 0/3] staging: remove fbdev drivers Benjamin Herrenschmidt <benh@kernel.crashing.org> - 2016-12-08 22:30 +0100
      Re: [RFC PATCH 0/3] staging: remove fbdev drivers Benjamin Herrenschmidt <benh@kernel.crashing.org> - 2016-12-08 22:50 +0100
        Re: [RFC PATCH 0/3] staging: remove fbdev drivers Daniel Vetter <daniel@ffwll.ch> - 2016-12-09 09:20 +0100
  Re: [RFC PATCH 0/3] staging: remove fbdev drivers Daniel Vetter <daniel@ffwll.ch> - 2016-12-08 11:20 +0100
    Re: [RFC PATCH 0/3] staging: remove fbdev drivers Geert Uytterhoeven <geert@linux-m68k.org> - 2016-12-08 13:20 +0100
      Re: [RFC PATCH 0/3] staging: remove fbdev drivers Daniel Vetter <daniel@ffwll.ch> - 2016-12-08 15:20 +0100
        Re: [RFC PATCH 0/3] staging: remove fbdev drivers Geert Uytterhoeven <geert@linux-m68k.org> - 2016-12-08 15:30 +0100
          Re: [RFC PATCH 0/3] staging: remove fbdev drivers Thomas Petazzoni <thomas.petazzoni@free-electrons.com> - 2016-12-08 15:40 +0100
            Re: [RFC PATCH 0/3] staging: remove fbdev drivers Geert Uytterhoeven <geert@linux-m68k.org> - 2016-12-08 15:50 +0100
              Re: [RFC PATCH 0/3] staging: remove fbdev drivers Daniel Vetter <daniel@ffwll.ch> - 2016-12-08 16:30 +0100
                Re: [RFC PATCH 0/3] staging: remove fbdev drivers Benjamin Herrenschmidt <benh@kernel.crashing.org> - 2016-12-08 22:40 +0100
                Re: [RFC PATCH 0/3] staging: remove fbdev drivers Benjamin Herrenschmidt <benh@kernel.crashing.org> - 2016-12-08 23:00 +0100
                Re: [RFC PATCH 0/3] staging: remove fbdev drivers Daniel Vetter <daniel@ffwll.ch> - 2016-12-09 09:40 +0100
                Re: [RFC PATCH 0/3] staging: remove fbdev drivers Daniel Vetter <daniel@ffwll.ch> - 2016-12-09 09:50 +0100
                Re: [RFC PATCH 0/3] staging: remove fbdev drivers Benjamin Herrenschmidt <benh@kernel.crashing.org> - 2016-12-09 12:50 +0100
                Re: [RFC PATCH 0/3] staging: remove fbdev drivers Daniel Vetter <daniel@ffwll.ch> - 2016-12-09 14:40 +0100
                Re: [RFC PATCH 0/3] staging: remove fbdev drivers Benjamin Herrenschmidt <benh@kernel.crashing.org> - 2016-12-09 22:20 +0100
                Re: [RFC PATCH 0/3] staging: remove fbdev drivers Benjamin Herrenschmidt <benh@kernel.crashing.org> - 2016-12-09 12:50 +0100
                Re: [RFC PATCH 0/3] staging: remove fbdev drivers Geert Uytterhoeven <geert@linux-m68k.org> - 2016-12-09 13:40 +0100
                Re: [RFC PATCH 0/3] staging: remove fbdev drivers Lucas Stach <l.stach@pengutronix.de> - 2016-12-09 14:20 +0100
                Re: [RFC PATCH 0/3] staging: remove fbdev drivers Daniel Vetter <daniel@ffwll.ch> - 2016-12-09 14:40 +0100
                Re: [RFC PATCH 0/3] staging: remove fbdev drivers David Herrmann <dh.herrmann@gmail.com> - 2016-12-09 15:00 +0100
                Re: [RFC PATCH 0/3] staging: remove fbdev drivers Daniel Vetter <daniel@ffwll.ch> - 2016-12-09 15:10 +0100
                Re: [RFC PATCH 0/3] staging: remove fbdev drivers Benjamin Herrenschmidt <benh@kernel.crashing.org> - 2016-12-09 21:40 +0100
                Re: [RFC PATCH 0/3] staging: remove fbdev drivers Daniel Vetter <daniel@ffwll.ch> - 2016-12-09 09:40 +0100
          Re: [RFC PATCH 0/3] staging: remove fbdev drivers Jani Nikula <jani.nikula@linux.intel.com> - 2016-12-08 16:10 +0100
        Re: [RFC PATCH 0/3] staging: remove fbdev drivers Daniel Vetter <daniel@ffwll.ch> - 2016-12-08 15:30 +0100
    Re: [RFC PATCH 0/3] staging: remove fbdev drivers Benjamin Herrenschmidt <benh@kernel.crashing.org> - 2016-12-08 23:40 +0100
      Re: [RFC PATCH 0/3] staging: remove fbdev drivers Dave Airlie <airlied@gmail.com> - 2016-12-09 01:10 +0100
        Re: [RFC PATCH 0/3] staging: remove fbdev drivers Geert Uytterhoeven <geert@linux-m68k.org> - 2016-12-09 09:10 +0100
        Re: [RFC PATCH 0/3] staging: remove fbdev drivers Benjamin Herrenschmidt <benh@kernel.crashing.org> - 2016-12-09 12:50 +0100

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