drm/i915/gt: Ignore stale context state upon resume

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We leave the kernel_context on the HW as we suspend (and while idle).
There is no guarantee that is complete in memory, so we try to inhibit
restoration from the kernel_context. Reinforce the inhibition by
scrubbing the context.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200102131707.1463945-3-chris@chris-wilson.co.uk

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Chris Wilson 2020-01-02 13:17:05 +00:00

parent d1813ca2bb

commit 49a24e71b2

2 changed files with 11 additions and 2 deletions

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11

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

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2

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

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