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

Browse source

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
(cherry picked from commit ecf73eb2d2)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>

...

This commit is contained in:

Chris Wilson 2017-11-30 10:29:51 +00:00 • committed by Joonas Lahtinen

parent ae64f9bd1d

commit dda4b8f732

1 changed files with 11 additions and 9 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

20

drivers/gpu/drm/i915/i915_gem.c

View file