diff options
author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-06-14 19:46:06 +0300 |
---|---|---|
committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-06-14 21:03:40 +0300 |
commit | 422d7df4f090bbbc4d49e66d533a259ba63ec70d (patch) | |
tree | cac1ad8f4a87bcb9317f9feafdf3a8d9c6975816 /drivers/gpu/drm/i915/gt | |
parent | 9db0c5caa7471b463627e1a87c58de874be1c55f (diff) | |
download | linux-422d7df4f090bbbc4d49e66d533a259ba63ec70d.tar.xz |
drm/i915: Replace engine->timeline with a plain list
To continue the onslaught of removing the assumption of a global
execution ordering, another casualty is the engine->timeline. Without an
actual timeline to track, it is overkill and we can replace it with a
much less grand plain list. We still need a list of requests inflight,
for the simple purpose of finding inflight requests (for retiring,
resetting, preemption etc).
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190614164606.15633-3-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gt')
-rw-r--r-- | drivers/gpu/drm/i915/gt/intel_engine.h | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gt/intel_engine_cs.c | 62 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gt/intel_engine_types.h | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gt/intel_lrc.c | 95 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gt/intel_reset.c | 10 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gt/intel_ringbuffer.c | 15 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gt/mock_engine.c | 18 |
7 files changed, 109 insertions, 103 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_engine.h b/drivers/gpu/drm/i915/gt/intel_engine.h index 3b5a6d152997..2f1c6871ee95 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine.h +++ b/drivers/gpu/drm/i915/gt/intel_engine.h @@ -565,4 +565,10 @@ static inline bool inject_preempt_hang(struct intel_engine_execlists *execlists) #endif +void intel_engine_init_active(struct intel_engine_cs *engine, + unsigned int subclass); +#define ENGINE_PHYSICAL 0 +#define ENGINE_MOCK 1 +#define ENGINE_VIRTUAL 2 + #endif /* _INTEL_RINGBUFFER_H_ */ diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c index 22242e927baa..898692989313 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c @@ -617,14 +617,7 @@ static int intel_engine_setup_common(struct intel_engine_cs *engine) if (err) return err; - err = i915_timeline_init(engine->i915, - &engine->timeline, - engine->status_page.vma); - if (err) - goto err_hwsp; - - i915_timeline_set_subclass(&engine->timeline, TIMELINE_ENGINE); - + intel_engine_init_active(engine, ENGINE_PHYSICAL); intel_engine_init_breadcrumbs(engine); intel_engine_init_execlists(engine); intel_engine_init_hangcheck(engine); @@ -637,10 +630,6 @@ static int intel_engine_setup_common(struct intel_engine_cs *engine) intel_sseu_from_device_info(&RUNTIME_INFO(engine->i915)->sseu); return 0; - -err_hwsp: - cleanup_status_page(engine); - return err; } /** @@ -797,6 +786,27 @@ static int pin_context(struct i915_gem_context *ctx, return 0; } +void +intel_engine_init_active(struct intel_engine_cs *engine, unsigned int subclass) +{ + INIT_LIST_HEAD(&engine->active.requests); + + spin_lock_init(&engine->active.lock); + lockdep_set_subclass(&engine->active.lock, subclass); + + /* + * Due to an interesting quirk in lockdep's internal debug tracking, + * after setting a subclass we must ensure the lock is used. Otherwise, + * nr_unused_locks is incremented once too often. + */ +#ifdef CONFIG_DEBUG_LOCK_ALLOC + local_irq_disable(); + lock_map_acquire(&engine->active.lock.dep_map); + lock_map_release(&engine->active.lock.dep_map); + local_irq_enable(); +#endif +} + /** * intel_engines_init_common - initialize cengine state which might require hw access * @engine: Engine to initialize. @@ -860,6 +870,8 @@ err_unpin: */ void intel_engine_cleanup_common(struct intel_engine_cs *engine) { + GEM_BUG_ON(!list_empty(&engine->active.requests)); + cleanup_status_page(engine); intel_engine_fini_breadcrumbs(engine); @@ -874,8 +886,6 @@ void intel_engine_cleanup_common(struct intel_engine_cs *engine) intel_context_unpin(engine->kernel_context); GEM_BUG_ON(!llist_empty(&engine->barrier_tasks)); - i915_timeline_fini(&engine->timeline); - intel_wa_list_free(&engine->ctx_wa_list); intel_wa_list_free(&engine->wa_list); intel_wa_list_free(&engine->whitelist); @@ -1482,16 +1492,6 @@ void intel_engine_dump(struct intel_engine_cs *engine, drm_printf(m, "\tRequests:\n"); - rq = list_first_entry(&engine->timeline.requests, - struct i915_request, link); - if (&rq->link != &engine->timeline.requests) - print_request(m, rq, "\t\tfirst "); - - rq = list_last_entry(&engine->timeline.requests, - struct i915_request, link); - if (&rq->link != &engine->timeline.requests) - print_request(m, rq, "\t\tlast "); - rq = intel_engine_find_active_request(engine); if (rq) { print_request(m, rq, "\t\tactive "); @@ -1572,7 +1572,7 @@ int intel_enable_engine_stats(struct intel_engine_cs *engine) if (!intel_engine_supports_stats(engine)) return -ENODEV; - spin_lock_irqsave(&engine->timeline.lock, flags); + spin_lock_irqsave(&engine->active.lock, flags); write_seqlock(&engine->stats.lock); if (unlikely(engine->stats.enabled == ~0)) { @@ -1598,7 +1598,7 @@ int intel_enable_engine_stats(struct intel_engine_cs *engine) unlock: write_sequnlock(&engine->stats.lock); - spin_unlock_irqrestore(&engine->timeline.lock, flags); + spin_unlock_irqrestore(&engine->active.lock, flags); return err; } @@ -1683,22 +1683,22 @@ intel_engine_find_active_request(struct intel_engine_cs *engine) * At all other times, we must assume the GPU is still running, but * we only care about the snapshot of this moment. */ - spin_lock_irqsave(&engine->timeline.lock, flags); - list_for_each_entry(request, &engine->timeline.requests, link) { + spin_lock_irqsave(&engine->active.lock, flags); + list_for_each_entry(request, &engine->active.requests, sched.link) { if (i915_request_completed(request)) continue; if (!i915_request_started(request)) - break; + continue; /* More than one preemptible request may match! */ if (!match_ring(request)) - break; + continue; active = request; break; } - spin_unlock_irqrestore(&engine->timeline.lock, flags); + spin_unlock_irqrestore(&engine->active.lock, flags); return active; } diff --git a/drivers/gpu/drm/i915/gt/intel_engine_types.h b/drivers/gpu/drm/i915/gt/intel_engine_types.h index 33a31aa2d2ae..b2faca8e5dec 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_types.h +++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h @@ -288,7 +288,11 @@ struct intel_engine_cs { struct intel_ring *buffer; - struct i915_timeline timeline; + struct { + spinlock_t lock; + struct list_head requests; + } active; + struct llist_head barrier_tasks; struct intel_context *kernel_context; /* pinned */ diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index d0a51752386f..c400c66d0ee5 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -298,8 +298,8 @@ static inline bool need_preempt(const struct intel_engine_cs *engine, * Check against the first request in ELSP[1], it will, thanks to the * power of PI, be the highest priority of that context. */ - if (!list_is_last(&rq->link, &engine->timeline.requests) && - rq_prio(list_next_entry(rq, link)) > last_prio) + if (!list_is_last(&rq->sched.link, &engine->active.requests) && + rq_prio(list_next_entry(rq, sched.link)) > last_prio) return true; if (rb) { @@ -434,11 +434,11 @@ __unwind_incomplete_requests(struct intel_engine_cs *engine) struct list_head *uninitialized_var(pl); int prio = I915_PRIORITY_INVALID; - lockdep_assert_held(&engine->timeline.lock); + lockdep_assert_held(&engine->active.lock); list_for_each_entry_safe_reverse(rq, rn, - &engine->timeline.requests, - link) { + &engine->active.requests, + sched.link) { struct intel_engine_cs *owner; if (i915_request_completed(rq)) @@ -465,7 +465,7 @@ __unwind_incomplete_requests(struct intel_engine_cs *engine) } GEM_BUG_ON(RB_EMPTY_ROOT(&engine->execlists.queue.rb_root)); - list_add(&rq->sched.link, pl); + list_move(&rq->sched.link, pl); active = rq; } else { rq->engine = owner; @@ -933,11 +933,11 @@ static void execlists_dequeue(struct intel_engine_cs *engine) rb_entry(rb, typeof(*ve), nodes[engine->id].rb); struct i915_request *rq; - spin_lock(&ve->base.timeline.lock); + spin_lock(&ve->base.active.lock); rq = ve->request; if (unlikely(!rq)) { /* lost the race to a sibling */ - spin_unlock(&ve->base.timeline.lock); + spin_unlock(&ve->base.active.lock); rb_erase_cached(rb, &execlists->virtual); RB_CLEAR_NODE(rb); rb = rb_first_cached(&execlists->virtual); @@ -950,13 +950,13 @@ static void execlists_dequeue(struct intel_engine_cs *engine) if (rq_prio(rq) >= queue_prio(execlists)) { if (!virtual_matches(ve, rq, engine)) { - spin_unlock(&ve->base.timeline.lock); + spin_unlock(&ve->base.active.lock); rb = rb_next(rb); continue; } if (last && !can_merge_rq(last, rq)) { - spin_unlock(&ve->base.timeline.lock); + spin_unlock(&ve->base.active.lock); return; /* leave this rq for another engine */ } @@ -1011,7 +1011,7 @@ static void execlists_dequeue(struct intel_engine_cs *engine) last = rq; } - spin_unlock(&ve->base.timeline.lock); + spin_unlock(&ve->base.active.lock); break; } @@ -1068,8 +1068,6 @@ static void execlists_dequeue(struct intel_engine_cs *engine) GEM_BUG_ON(port_isset(port)); } - list_del_init(&rq->sched.link); - __i915_request_submit(rq); trace_i915_request_in(rq, port_index(port, execlists)); @@ -1170,7 +1168,7 @@ static void process_csb(struct intel_engine_cs *engine) const u8 num_entries = execlists->csb_size; u8 head, tail; - lockdep_assert_held(&engine->timeline.lock); + lockdep_assert_held(&engine->active.lock); /* * Note that csb_write, csb_status may be either in HWSP or mmio. @@ -1330,7 +1328,7 @@ static void process_csb(struct intel_engine_cs *engine) static void __execlists_submission_tasklet(struct intel_engine_cs *const engine) { - lockdep_assert_held(&engine->timeline.lock); + lockdep_assert_held(&engine->active.lock); process_csb(engine); if (!execlists_is_active(&engine->execlists, EXECLISTS_ACTIVE_PREEMPT)) @@ -1351,15 +1349,16 @@ static void execlists_submission_tasklet(unsigned long data) !!intel_wakeref_active(&engine->wakeref), engine->execlists.active); - spin_lock_irqsave(&engine->timeline.lock, flags); + spin_lock_irqsave(&engine->active.lock, flags); __execlists_submission_tasklet(engine); - spin_unlock_irqrestore(&engine->timeline.lock, flags); + spin_unlock_irqrestore(&engine->active.lock, flags); } static void queue_request(struct intel_engine_cs *engine, struct i915_sched_node *node, int prio) { + GEM_BUG_ON(!list_empty(&node->link)); list_add_tail(&node->link, i915_sched_lookup_priolist(engine, prio)); } @@ -1390,7 +1389,7 @@ static void execlists_submit_request(struct i915_request *request) unsigned long flags; /* Will be called from irq-context when using foreign fences. */ - spin_lock_irqsave(&engine->timeline.lock, flags); + spin_lock_irqsave(&engine->active.lock, flags); queue_request(engine, &request->sched, rq_prio(request)); @@ -1399,7 +1398,7 @@ static void execlists_submit_request(struct i915_request *request) submit_queue(engine, rq_prio(request)); - spin_unlock_irqrestore(&engine->timeline.lock, flags); + spin_unlock_irqrestore(&engine->active.lock, flags); } static void __execlists_context_fini(struct intel_context *ce) @@ -2050,8 +2049,8 @@ static void execlists_reset_prepare(struct intel_engine_cs *engine) intel_engine_stop_cs(engine); /* And flush any current direct submission. */ - spin_lock_irqsave(&engine->timeline.lock, flags); - spin_unlock_irqrestore(&engine->timeline.lock, flags); + spin_lock_irqsave(&engine->active.lock, flags); + spin_unlock_irqrestore(&engine->active.lock, flags); } static bool lrc_regs_ok(const struct i915_request *rq) @@ -2094,11 +2093,11 @@ static void reset_csb_pointers(struct intel_engine_execlists *execlists) static struct i915_request *active_request(struct i915_request *rq) { - const struct list_head * const list = &rq->engine->timeline.requests; + const struct list_head * const list = &rq->engine->active.requests; const struct intel_context * const context = rq->hw_context; struct i915_request *active = NULL; - list_for_each_entry_from_reverse(rq, list, link) { + list_for_each_entry_from_reverse(rq, list, sched.link) { if (i915_request_completed(rq)) break; @@ -2215,11 +2214,11 @@ static void execlists_reset(struct intel_engine_cs *engine, bool stalled) GEM_TRACE("%s\n", engine->name); - spin_lock_irqsave(&engine->timeline.lock, flags); + spin_lock_irqsave(&engine->active.lock, flags); __execlists_reset(engine, stalled); - spin_unlock_irqrestore(&engine->timeline.lock, flags); + spin_unlock_irqrestore(&engine->active.lock, flags); } static void nop_submission_tasklet(unsigned long data) @@ -2250,12 +2249,12 @@ static void execlists_cancel_requests(struct intel_engine_cs *engine) * submission's irq state, we also wish to remind ourselves that * it is irq state.) */ - spin_lock_irqsave(&engine->timeline.lock, flags); + spin_lock_irqsave(&engine->active.lock, flags); __execlists_reset(engine, true); /* Mark all executing requests as skipped. */ - list_for_each_entry(rq, &engine->timeline.requests, link) { + list_for_each_entry(rq, &engine->active.requests, sched.link) { if (!i915_request_signaled(rq)) dma_fence_set_error(&rq->fence, -EIO); @@ -2286,7 +2285,7 @@ static void execlists_cancel_requests(struct intel_engine_cs *engine) rb_erase_cached(rb, &execlists->virtual); RB_CLEAR_NODE(rb); - spin_lock(&ve->base.timeline.lock); + spin_lock(&ve->base.active.lock); if (ve->request) { ve->request->engine = engine; __i915_request_submit(ve->request); @@ -2295,7 +2294,7 @@ static void execlists_cancel_requests(struct intel_engine_cs *engine) ve->base.execlists.queue_priority_hint = INT_MIN; ve->request = NULL; } - spin_unlock(&ve->base.timeline.lock); + spin_unlock(&ve->base.active.lock); } /* Remaining _unready_ requests will be nop'ed when submitted */ @@ -2307,7 +2306,7 @@ static void execlists_cancel_requests(struct intel_engine_cs *engine) GEM_BUG_ON(__tasklet_is_enabled(&execlists->tasklet)); execlists->tasklet.func = nop_submission_tasklet; - spin_unlock_irqrestore(&engine->timeline.lock, flags); + spin_unlock_irqrestore(&engine->active.lock, flags); } static void execlists_reset_finish(struct intel_engine_cs *engine) @@ -3010,12 +3009,18 @@ error_deref_obj: return ret; } +static struct list_head *virtual_queue(struct virtual_engine *ve) +{ + return &ve->base.execlists.default_priolist.requests[0]; +} + static void virtual_context_destroy(struct kref *kref) { struct virtual_engine *ve = container_of(kref, typeof(*ve), context.ref); unsigned int n; + GEM_BUG_ON(!list_empty(virtual_queue(ve))); GEM_BUG_ON(ve->request); GEM_BUG_ON(ve->context.inflight); @@ -3026,13 +3031,13 @@ static void virtual_context_destroy(struct kref *kref) if (RB_EMPTY_NODE(node)) continue; - spin_lock_irq(&sibling->timeline.lock); + spin_lock_irq(&sibling->active.lock); /* Detachment is lazily performed in the execlists tasklet */ if (!RB_EMPTY_NODE(node)) rb_erase_cached(node, &sibling->execlists.virtual); - spin_unlock_irq(&sibling->timeline.lock); + spin_unlock_irq(&sibling->active.lock); } GEM_BUG_ON(__tasklet_is_scheduled(&ve->base.execlists.tasklet)); @@ -3040,8 +3045,6 @@ static void virtual_context_destroy(struct kref *kref) __execlists_context_fini(&ve->context); kfree(ve->bonds); - - i915_timeline_fini(&ve->base.timeline); kfree(ve); } @@ -3161,16 +3164,16 @@ static void virtual_submission_tasklet(unsigned long data) if (unlikely(!(mask & sibling->mask))) { if (!RB_EMPTY_NODE(&node->rb)) { - spin_lock(&sibling->timeline.lock); + spin_lock(&sibling->active.lock); rb_erase_cached(&node->rb, &sibling->execlists.virtual); RB_CLEAR_NODE(&node->rb); - spin_unlock(&sibling->timeline.lock); + spin_unlock(&sibling->active.lock); } continue; } - spin_lock(&sibling->timeline.lock); + spin_lock(&sibling->active.lock); if (!RB_EMPTY_NODE(&node->rb)) { /* @@ -3214,7 +3217,7 @@ submit_engine: tasklet_hi_schedule(&sibling->execlists.tasklet); } - spin_unlock(&sibling->timeline.lock); + spin_unlock(&sibling->active.lock); } local_irq_enable(); } @@ -3231,9 +3234,13 @@ static void virtual_submit_request(struct i915_request *rq) GEM_BUG_ON(ve->base.submit_request != virtual_submit_request); GEM_BUG_ON(ve->request); + GEM_BUG_ON(!list_empty(virtual_queue(ve))); + ve->base.execlists.queue_priority_hint = rq_prio(rq); WRITE_ONCE(ve->request, rq); + list_move_tail(&rq->sched.link, virtual_queue(ve)); + tasklet_schedule(&ve->base.execlists.tasklet); } @@ -3297,10 +3304,7 @@ intel_execlists_create_virtual(struct i915_gem_context *ctx, snprintf(ve->base.name, sizeof(ve->base.name), "virtual"); - err = i915_timeline_init(ctx->i915, &ve->base.timeline, NULL); - if (err) - goto err_put; - i915_timeline_set_subclass(&ve->base.timeline, TIMELINE_VIRTUAL); + intel_engine_init_active(&ve->base, ENGINE_VIRTUAL); intel_engine_init_execlists(&ve->base); @@ -3311,6 +3315,7 @@ intel_execlists_create_virtual(struct i915_gem_context *ctx, ve->base.submit_request = virtual_submit_request; ve->base.bond_execute = virtual_bond_execute; + INIT_LIST_HEAD(virtual_queue(ve)); ve->base.execlists.queue_priority_hint = INT_MIN; tasklet_init(&ve->base.execlists.tasklet, virtual_submission_tasklet, @@ -3465,11 +3470,11 @@ void intel_execlists_show_requests(struct intel_engine_cs *engine, unsigned int count; struct rb_node *rb; - spin_lock_irqsave(&engine->timeline.lock, flags); + spin_lock_irqsave(&engine->active.lock, flags); last = NULL; count = 0; - list_for_each_entry(rq, &engine->timeline.requests, link) { + list_for_each_entry(rq, &engine->active.requests, sched.link) { if (count++ < max - 1) show_request(m, rq, "\t\tE "); else @@ -3532,7 +3537,7 @@ void intel_execlists_show_requests(struct intel_engine_cs *engine, show_request(m, last, "\t\tV "); } - spin_unlock_irqrestore(&engine->timeline.lock, flags); + spin_unlock_irqrestore(&engine->active.lock, flags); } void intel_lr_context_reset(struct intel_engine_cs *engine, diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c index 6e6807a3f748..84c670bdb081 100644 --- a/drivers/gpu/drm/i915/gt/intel_reset.c +++ b/drivers/gpu/drm/i915/gt/intel_reset.c @@ -49,12 +49,12 @@ static void engine_skip_context(struct i915_request *rq) struct intel_engine_cs *engine = rq->engine; struct i915_gem_context *hung_ctx = rq->gem_context; - lockdep_assert_held(&engine->timeline.lock); + lockdep_assert_held(&engine->active.lock); if (!i915_request_is_active(rq)) return; - list_for_each_entry_continue(rq, &engine->timeline.requests, link) + list_for_each_entry_continue(rq, &engine->active.requests, sched.link) if (rq->gem_context == hung_ctx) i915_request_skip(rq, -EIO); } @@ -130,7 +130,7 @@ void i915_reset_request(struct i915_request *rq, bool guilty) rq->fence.seqno, yesno(guilty)); - lockdep_assert_held(&rq->engine->timeline.lock); + lockdep_assert_held(&rq->engine->active.lock); GEM_BUG_ON(i915_request_completed(rq)); if (guilty) { @@ -785,10 +785,10 @@ static void nop_submit_request(struct i915_request *request) engine->name, request->fence.context, request->fence.seqno); dma_fence_set_error(&request->fence, -EIO); - spin_lock_irqsave(&engine->timeline.lock, flags); + spin_lock_irqsave(&engine->active.lock, flags); __i915_request_submit(request); i915_request_mark_complete(request); - spin_unlock_irqrestore(&engine->timeline.lock, flags); + spin_unlock_irqrestore(&engine->active.lock, flags); intel_engine_queue_breadcrumbs(engine); } diff --git a/drivers/gpu/drm/i915/gt/intel_ringbuffer.c b/drivers/gpu/drm/i915/gt/intel_ringbuffer.c index cc901edec09a..019bf039f616 100644 --- a/drivers/gpu/drm/i915/gt/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/gt/intel_ringbuffer.c @@ -730,14 +730,13 @@ static void reset_prepare(struct intel_engine_cs *engine) static void reset_ring(struct intel_engine_cs *engine, bool stalled) { - struct i915_timeline *tl = &engine->timeline; struct i915_request *pos, *rq; unsigned long flags; u32 head; rq = NULL; - spin_lock_irqsave(&tl->lock, flags); - list_for_each_entry(pos, &tl->requests, link) { + spin_lock_irqsave(&engine->active.lock, flags); + list_for_each_entry(pos, &engine->active.requests, sched.link) { if (!i915_request_completed(pos)) { rq = pos; break; @@ -791,7 +790,7 @@ static void reset_ring(struct intel_engine_cs *engine, bool stalled) } engine->buffer->head = intel_ring_wrap(engine->buffer, head); - spin_unlock_irqrestore(&tl->lock, flags); + spin_unlock_irqrestore(&engine->active.lock, flags); } static void reset_finish(struct intel_engine_cs *engine) @@ -877,10 +876,10 @@ static void cancel_requests(struct intel_engine_cs *engine) struct i915_request *request; unsigned long flags; - spin_lock_irqsave(&engine->timeline.lock, flags); + spin_lock_irqsave(&engine->active.lock, flags); /* Mark all submitted requests as skipped. */ - list_for_each_entry(request, &engine->timeline.requests, link) { + list_for_each_entry(request, &engine->active.requests, sched.link) { if (!i915_request_signaled(request)) dma_fence_set_error(&request->fence, -EIO); @@ -889,7 +888,7 @@ static void cancel_requests(struct intel_engine_cs *engine) /* Remaining _unready_ requests will be nop'ed when submitted */ - spin_unlock_irqrestore(&engine->timeline.lock, flags); + spin_unlock_irqrestore(&engine->active.lock, flags); } static void i9xx_submit_request(struct i915_request *request) @@ -1267,8 +1266,6 @@ intel_engine_create_ring(struct intel_engine_cs *engine, GEM_BUG_ON(!is_power_of_2(size)); GEM_BUG_ON(RING_CTL_SIZE(size) & ~RING_NR_PAGES); - GEM_BUG_ON(timeline == &engine->timeline); - lockdep_assert_held(&engine->i915->drm.struct_mutex); ring = kzalloc(sizeof(*ring), GFP_KERNEL); if (!ring) diff --git a/drivers/gpu/drm/i915/gt/mock_engine.c b/drivers/gpu/drm/i915/gt/mock_engine.c index d1ef515bac8d..086801b51441 100644 --- a/drivers/gpu/drm/i915/gt/mock_engine.c +++ b/drivers/gpu/drm/i915/gt/mock_engine.c @@ -229,17 +229,17 @@ static void mock_cancel_requests(struct intel_engine_cs *engine) struct i915_request *request; unsigned long flags; - spin_lock_irqsave(&engine->timeline.lock, flags); + spin_lock_irqsave(&engine->active.lock, flags); /* Mark all submitted requests as skipped. */ - list_for_each_entry(request, &engine->timeline.requests, sched.link) { + list_for_each_entry(request, &engine->active.requests, sched.link) { if (!i915_request_signaled(request)) dma_fence_set_error(&request->fence, -EIO); i915_request_mark_complete(request); } - spin_unlock_irqrestore(&engine->timeline.lock, flags); + spin_unlock_irqrestore(&engine->active.lock, flags); } struct intel_engine_cs *mock_engine(struct drm_i915_private *i915, @@ -285,28 +285,23 @@ int mock_engine_init(struct intel_engine_cs *engine) struct drm_i915_private *i915 = engine->i915; int err; + intel_engine_init_active(engine, ENGINE_MOCK); intel_engine_init_breadcrumbs(engine); intel_engine_init_execlists(engine); intel_engine_init__pm(engine); - if (i915_timeline_init(i915, &engine->timeline, NULL)) - goto err_breadcrumbs; - i915_timeline_set_subclass(&engine->timeline, TIMELINE_ENGINE); - engine->kernel_context = i915_gem_context_get_engine(i915->kernel_context, engine->id); if (IS_ERR(engine->kernel_context)) - goto err_timeline; + goto err_breadcrumbs; err = intel_context_pin(engine->kernel_context); intel_context_put(engine->kernel_context); if (err) - goto err_timeline; + goto err_breadcrumbs; return 0; -err_timeline: - i915_timeline_fini(&engine->timeline); err_breadcrumbs: intel_engine_fini_breadcrumbs(engine); return -ENOMEM; @@ -340,7 +335,6 @@ void mock_engine_free(struct intel_engine_cs *engine) intel_context_unpin(engine->kernel_context); intel_engine_fini_breadcrumbs(engine); - i915_timeline_fini(&engine->timeline); kfree(engine); } |