[Bug 88012] [bisected BYT] complete freeze after: drm/i915/vlv: WA for Turbo and RC6 to work together
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Tue Nov 3 03:13:57 PST 2015
https://bugs.freedesktop.org/show_bug.cgi?id=88012
--- Comment #105 from Jani Nikula <jani.nikula at intel.com> ---
(In reply to John from comment #102)
> Given Luka Karinja's results, I checked my kernel args to see if something
> else could account for my results. I found - i915.i915_enable_rc6=1
> i915.lvds_downclock=1 i915.semaphores=1 i915.i915_enable_fbc=1.
i915.i915_enable_rc6 and i915.i915_enable_fbc have been renamed i915.enable_rc6
and i915.enable_fbc, respectively, since v3.15 so those have had no impact.
These days all of those are considered debug options, and we taint the kernel
if they've been set.
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