diff options
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_lrc.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_priolist_types.h | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_request.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_scheduler.c | 12 |
6 files changed, 5 insertions, 32 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c index 966523a8503f..d54a4933cc05 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c @@ -2597,15 +2597,6 @@ static void eb_request_add(struct i915_execbuffer *eb) */ if (!(rq->sched.flags & I915_SCHED_HAS_SEMAPHORE_CHAIN)) attr.priority |= I915_PRIORITY_NOSEMAPHORE; - - /* - * Boost priorities to new clients (new request flows). - * - * Allow interactive/synchronous clients to jump ahead of - * the bulk clients. (FQ_CODEL) - */ - if (list_empty(&rq->sched.signalers_list)) - attr.priority |= I915_PRIORITY_WAIT; } else { /* Serialise with context_close via the add_to_timeline */ i915_request_set_error_once(rq, -ENOENT); diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index dd0fd4c4cf32..59c99e2f0257 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -438,9 +438,7 @@ static int effective_prio(const struct i915_request *rq) if (__i915_request_has_started(rq)) prio |= I915_PRIORITY_NOSEMAPHORE; - /* Restrict mere WAIT boosts from triggering preemption */ - BUILD_BUG_ON(__NO_PREEMPTION & ~I915_PRIORITY_MASK); /* only internal */ - return prio | __NO_PREEMPTION; + return prio; } static int queue_prio(const struct intel_engine_execlists *execlists) diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c index aa6d56e25a10..94eb63f309ce 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c @@ -258,7 +258,7 @@ static void guc_submit(struct intel_engine_cs *engine, static inline int rq_prio(const struct i915_request *rq) { - return rq->sched.attr.priority | __NO_PREEMPTION; + return rq->sched.attr.priority; } static struct i915_request *schedule_in(struct i915_request *rq, int idx) diff --git a/drivers/gpu/drm/i915/i915_priolist_types.h b/drivers/gpu/drm/i915/i915_priolist_types.h index 732aad148881..e18723d8df86 100644 --- a/drivers/gpu/drm/i915/i915_priolist_types.h +++ b/drivers/gpu/drm/i915/i915_priolist_types.h @@ -24,14 +24,13 @@ enum { I915_PRIORITY_DISPLAY, }; -#define I915_USER_PRIORITY_SHIFT 2 +#define I915_USER_PRIORITY_SHIFT 1 #define I915_USER_PRIORITY(x) ((x) << I915_USER_PRIORITY_SHIFT) #define I915_PRIORITY_COUNT BIT(I915_USER_PRIORITY_SHIFT) #define I915_PRIORITY_MASK (I915_PRIORITY_COUNT - 1) -#define I915_PRIORITY_WAIT ((u8)BIT(0)) -#define I915_PRIORITY_NOSEMAPHORE ((u8)BIT(1)) +#define I915_PRIORITY_NOSEMAPHORE ((u8)BIT(0)) /* Smallest priority value that cannot be bumped. */ #define I915_PRIORITY_INVALID (INT_MIN | (u8)I915_PRIORITY_MASK) @@ -47,8 +46,6 @@ enum { #define I915_PRIORITY_UNPREEMPTABLE INT_MAX #define I915_PRIORITY_BARRIER INT_MAX -#define __NO_PREEMPTION (I915_PRIORITY_WAIT) - struct i915_priolist { struct list_head requests[I915_PRIORITY_COUNT]; struct rb_node node; diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c index 3c38d61c90f8..589739bfee25 100644 --- a/drivers/gpu/drm/i915/i915_request.c +++ b/drivers/gpu/drm/i915/i915_request.c @@ -1464,8 +1464,6 @@ void i915_request_add(struct i915_request *rq) if (!(rq->sched.flags & I915_SCHED_HAS_SEMAPHORE_CHAIN)) attr.priority |= I915_PRIORITY_NOSEMAPHORE; - if (list_empty(&rq->sched.signalers_list)) - attr.priority |= I915_PRIORITY_WAIT; __i915_request_queue(rq, &attr); @@ -1651,7 +1649,6 @@ long i915_request_wait(struct i915_request *rq, if (flags & I915_WAIT_PRIORITY) { if (!i915_request_started(rq) && INTEL_GEN(rq->i915) >= 6) intel_rps_boost(rq); - i915_schedule_bump_priority(rq, I915_PRIORITY_WAIT); } wait.tsk = current; diff --git a/drivers/gpu/drm/i915/i915_scheduler.c b/drivers/gpu/drm/i915/i915_scheduler.c index 6e2d4190099f..bec2a9c25425 100644 --- a/drivers/gpu/drm/i915/i915_scheduler.c +++ b/drivers/gpu/drm/i915/i915_scheduler.c @@ -174,7 +174,7 @@ sched_lock_engine(const struct i915_sched_node *node, static inline int rq_prio(const struct i915_request *rq) { - return rq->sched.attr.priority | __NO_PREEMPTION; + return rq->sched.attr.priority; } static inline bool need_preempt(int prio, int active) @@ -443,16 +443,6 @@ bool __i915_sched_node_add_dependency(struct i915_sched_node *node, list_add_rcu(&dep->signal_link, &node->signalers_list); list_add_rcu(&dep->wait_link, &signal->waiters_list); - /* - * As we do not allow WAIT to preempt inflight requests, - * once we have executed a request, along with triggering - * any execution callbacks, we must preserve its ordering - * within the non-preemptible FIFO. - */ - BUILD_BUG_ON(__NO_PREEMPTION & ~I915_PRIORITY_MASK); - if (flags & I915_DEPENDENCY_EXTERNAL) - __bump_priority(signal, __NO_PREEMPTION); - ret = true; } |