drm/i915/gem: Consolidate ctx->engines[] release

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Use the same engine_idle_release() routine for cleaning all old
ctx->engine[] state, closing any potential races with concurrent execbuf
submission.

v2ish: Use the ce->pin_count to close the execbuf gap.

Closes: https://gitlab.freedesktop.org/drm/intel/issues/1241
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200303080546.1140508-1-chris@chris-wilson.co.uk

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This commit is contained in:

Chris Wilson 2020-03-03 08:05:44 +00:00

parent 3faf8b8532

commit 130a95e909

3 changed files with 105 additions and 92 deletions

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193

drivers/gpu/drm/i915/gem/i915_gem_context.c

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1

drivers/gpu/drm/i915/gem/i915_gem_context.h

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3

drivers/gpu/drm/i915/gem/selftests/mock_context.c

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