diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/gen8_engine_cs.c')
-rw-r--r-- | drivers/gpu/drm/i915/gt/gen8_engine_cs.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c index 8066b93e6dc4..07ba524da90b 100644 --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c @@ -330,7 +330,7 @@ int gen12_emit_flush_xcs(struct i915_request *rq, u32 mode) return 0; } -static inline u32 preempt_address(struct intel_engine_cs *engine) +static u32 preempt_address(struct intel_engine_cs *engine) { return (i915_ggtt_offset(engine->status_page.vma) + I915_GEM_HWS_PREEMPT_ADDR); @@ -488,6 +488,7 @@ static u32 *gen8_emit_wa_tail(struct i915_request *rq, u32 *cs) static u32 *emit_preempt_busywait(struct i915_request *rq, u32 *cs) { + *cs++ = MI_ARB_CHECK; /* trigger IDLE->ACTIVE first */ *cs++ = MI_SEMAPHORE_WAIT | MI_SEMAPHORE_GLOBAL_GTT | MI_SEMAPHORE_POLL | @@ -495,6 +496,7 @@ static u32 *emit_preempt_busywait(struct i915_request *rq, u32 *cs) *cs++ = 0; *cs++ = preempt_address(rq->engine); *cs++ = 0; + *cs++ = MI_NOOP; return cs; } |