drm/i915: Propagate fence errors

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Errors spread like wildfire, and must eventually be returned to the
user. They need to be captured and passed along the flow of fences,
infecting each in turn with the existing error, until finally they fall
out of a user visible result.

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/20190817232511.11391-1-chris@chris-wilson.co.uk

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This commit is contained in:

Chris Wilson 2019-08-18 00:25:11 +01:00

parent a8dc0f6d18

commit ef46884975

4 changed files with 34 additions and 5 deletions

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8

drivers/gpu/drm/i915/i915_request.c

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23

drivers/gpu/drm/i915/i915_sw_fence.c

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7

drivers/gpu/drm/i915/i915_sw_fence.h

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1

drivers/gpu/drm/i915/selftests/lib_sw_fence.c

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