On Wed, Mar 13, 2013 at 11:20:59AM -0700, Ben Widawsky wrote:
> Certain fusing options allow customers to fuse off the South Display
> which would result in hangs when reading/writing to those registers. In
> addition, certain CPU display registers (like backlight) may actually
> invoke writes to South Display.
> 
> This patch series enables our code to run displayless which can allow
> the GEN hardware to be an offload GPU and not have a display hooked up.
> 
> This patch series hasn't been tested. A pre-cleaned version was tested,
> and did work. I'm hoping Jeff (in the CC) can test this latest version.

This mode of operation should be supported by xf86-video-intel-2.21.4.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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