[Bug 71345] intel-virtual-output only updates mouse

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71345

--- Comment #34 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to comment #33)
> So if I understand you properly, kernel is to be "blamed" about the issue
> about lag (or nvidia linuxdriver)?

There are a couple of patches in later kernels that should improve latency here
(in i915.ko). The userptr patch would be less significant for you, but would
still help somewhat.

> I see... I'm on Kernel 3.11.0 so I'll wait till Ubuntu releases
> 3.12.x-Kernelpackage or better 3.13.x-Kernelpackage. Are there patch
> suggested by intel included in kernel 3.12/3.13?

I'm never certain, the bits that I touched in the last 3 months will be in
3.13. That time lag between when I submit a patch and when it shows up means I
lose all track of what actually is in distributions.

A simple way to check for ubuntu is the ppa:mainline
http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-intel-experimental/

However, none of this will help very much if the ratelimiting step is the pixel
transfer to the nvidia display...

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