diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_uc.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_uc.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_uc.h b/drivers/gpu/drm/i915/intel_uc.h index 69daf4c01cd0..22ae52b17b0f 100644 --- a/drivers/gpu/drm/i915/intel_uc.h +++ b/drivers/gpu/drm/i915/intel_uc.h @@ -59,6 +59,10 @@ struct drm_i915_gem_request; * available in the work queue (note, the queue is shared, * not per-engine). It is OK for this to be nonzero, but * it should not be huge! + * b_fail: failed to ring the doorbell. This should never happen, unless + * somehow the hardware misbehaves, or maybe if the GuC firmware + * crashes? We probably need to reset the GPU to recover. + * retcode: errno from last guc_submit() */ struct i915_guc_client { struct i915_vma *vma; |