drm/i915/guc: Handle engine reset failure notification

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GuC will notify the driver, via G2H, if it fails to
reset an engine. We recover by resorting to a full GPU
reset.

v2:
 (John Harrison):
  - s/drm_dbg/drm_err

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Fernando Pacheco <fernando.pacheco@intel.com>
Reviewed-by: John Harrison <John.C.Harrison@Intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210727002348.97202-14-matthew.brost@intel.com

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Matthew Brost 2021-07-26 17:23:28 -07:00 • committed by John Harrison

parent 1e0fd2b5da

commit f7957e603c

3 changed files with 48 additions and 0 deletions

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2

drivers/gpu/drm/i915/gt/uc/intel_guc.h

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3

drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c

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43

drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c

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