[Intel-gfx] [PATCH 1/2] drm/i915: re-enable semaphores by default
jbarnes at virtuousgeek.org
Wed Nov 16 11:23:50 PST 2011
On Wed, 16 Nov 2011 17:05:37 -0200
Eugeni Dodonov <eugeni at dodonov.net> wrote:
> On Wed, Nov 16, 2011 at 15:24, Andrew Lutomirski <luto at mit.edu> wrote:
> > AFAICT my snb laptop has always been stable with semaphores and VT-d
> > enabled. Is this problem possibly restricted to just desktop
> > machines? I'm happy to test, since my box that can reproduce the hang
> > instantly is still around.
> I cannot reproduce those issues on any mobile SNB, but I am out of desktop
> ones. So perhaps it is a clue.
> Jesse, Keith, Daniel, what if we add something like:
> .has_semaphores=1, .has_rc6=1
> to i915_drv.c intel_sandybridge_m_info, and take them into account when
> using default values for those settings?
Something like that is fine with me, or just doing it in modeset_init
for certain chipsets.
Jesse Barnes, Intel Open Source Technology Center
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