drm/i915/gvt: Refine error handling for prepare_execlist_workload

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refine the error handling for prepare_execlist_workload to restore to the
original states once error occurs.

only release the shadowed batch buffer and wa ctx when the workload is
completed successfully.

v2:
- split the mixed several error paths for better review. (Zhenyu)

v3:
- handle prepare batch buffer/wa ctx pin errors and
- emulate_schedule_in null issue. (Zhenyu)

v4:
- no need to handle emulate_schedule_in null issue. (Zhenyu)

v5:
- release the shadowed batch buffer and wa ctx only for the
  successful workload. (Zhenyu)

v6:
- polish the return style. (Zhenyu)

Signed-off-by: fred gao <fred.gao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>

...

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fred gao 2017-08-18 15:41:08 +08:00 • committed by Zhenyu Wang

parent a3cfdca920

commit 0cce2823ed

1 changed files with 69 additions and 27 deletions

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drivers/gpu/drm/i915/gvt/execlist.c

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