drm/i915: Apply headless DMC workaround for CNL

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With firmware 1.07 having fixed the state corruption issue, we can enable
the headless GT performance workaround for CNL as well. (Equivalent to
b68763741a ("drm/i915: Restore GT performance in headless mode with DMC
loaded") on other affected platforms.)

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=100572
Testcase: igt/gem_exec_nop/headless
Cc: Imre Deak <imre.deak@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Dmitry Rogozhkin <dmitry.v.rogozhkin@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180111082417.795-1-tvrtko.ursulin@linux.intel.com

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Tvrtko Ursulin 2018-01-11 08:24:17 +00:00

parent 5a3f58dfd1

commit 6e7a3f5244

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drivers/gpu/drm/i915/intel_runtime_pm.c

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