drm/i915: Skip switch-to-kernel-context on suspend when wedged

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If the HW is already wedged, attempting to submit a request will
generate an -EIO. If we tried this during suspend, we would abort
whereas all we want to do is to go sleep and throw away the corrupt
state.

Fixes: 5ab57c7020 ("drm/i915: Flush logical context image out to memory upon suspend")
Testcase: igt/gem_eio/suspend
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171130102951.14965-1-chris@chris-wilson.co.uk

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This commit is contained in:

Chris Wilson 2017-11-30 10:29:51 +00:00

parent 7436830c8d

commit ecf73eb2d2

1 changed files with 11 additions and 9 deletions

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drivers/gpu/drm/i915/i915_gem.c

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