drm/i915/tgl: Disable rc6 for debugging

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Empirical evidence from CI tells us that our rc6 setup for Tigerlake is
off. Disable rc6 on tgl temporary so that we gain CI coverage as we
prepare a fix. It also appears that the BIOS on our tgl leaves rc6
enabled, so we have to explicitly disable it on init.

References: https://bugs.freedesktop.org/show_bug.cgi?id=111593
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Acked-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190910161657.23037-1-chris@chris-wilson.co.uk

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This commit is contained in:

Chris Wilson 2019-09-10 17:16:57 +01:00

parent 07e98eb0a1

commit ab37c4d712

2 changed files with 2 additions and 2 deletions

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1

drivers/gpu/drm/i915/i915_pci.c

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3

drivers/gpu/drm/i915/intel_pm.c

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