diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index 665b59ba1f45..f5ffa6d31e82 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -193,6 +193,11 @@ struct i915_priolist { int priority; }; +struct st_preempt_hang { + struct completion completion; + bool inject_hang; +}; + /** * struct intel_engine_execlists - execlist submission queue and port state * @@ -333,6 +338,8 @@ struct intel_engine_execlists { * @csb_head: context status buffer head */ u8 csb_head; + + I915_SELFTEST_DECLARE(struct st_preempt_hang preempt_hang;) }; #define INTEL_ENGINE_CS_MAX_NAME 8 @@ -1155,4 +1162,24 @@ void intel_disable_engine_stats(struct intel_engine_cs *engine); ktime_t intel_engine_get_busy_time(struct intel_engine_cs *engine); +#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) + +static inline bool inject_preempt_hang(struct intel_engine_execlists *execlists) +{ + if (!execlists->preempt_hang.inject_hang) + return false; + + complete(&execlists->preempt_hang.completion); + return true; +} + +#else + +static inline bool inject_preempt_hang(struct intel_engine_execlists *execlists) +{ + return false; +} + +#endif + #endif /* _INTEL_RINGBUFFER_H_ */ |