drm/i915/gt: Taint the reset mutex with the shrinker

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Declare that, under extreme circumstances, the shrinker may need to wait
upon a request, in which case reset must not itself deadlock in order to
ensure forward progress of the driver. That is since the shrinker may
depend upon a reset, any reset cannot touch the shrinker.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201229141626.4773-1-chris@chris-wilson.co.uk

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Chris Wilson 2020-12-29 14:16:26 +00:00

parent cc1557cadf

commit cecb2af42c

1 changed files with 11 additions and 0 deletions

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

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