drm/i915/selftests: Exercise rc6 w/a handling

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Reading from CTX_INFO upsets rc6, requiring us to detect and prevent
possible rc6 context corruption. Poke at the bear!

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Tested-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191119154723.3311814-1-chris@chris-wilson.co.uk

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This commit is contained in:

Chris Wilson 2019-11-19 15:47:23 +00:00

parent f4ba0707c8

commit ba446f7460

5 changed files with 182 additions and 0 deletions

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4

drivers/gpu/drm/i915/gt/intel_rc6.c

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18

drivers/gpu/drm/i915/gt/selftest_gt_pm.c

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146

drivers/gpu/drm/i915/gt/selftest_rc6.c

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12

drivers/gpu/drm/i915/gt/selftest_rc6.h

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2

drivers/gpu/drm/i915/selftests/i915_live_selftests.h

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