diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index 1579a80bc8cb..d7ad953b3933 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -1000,32 +1000,39 @@ static unsigned long stop_timeout(const struct intel_engine_cs *engine)
 	return READ_ONCE(engine->props.stop_timeout_ms);
 }
 
-int intel_engine_stop_cs(struct intel_engine_cs *engine)
+static int __intel_engine_stop_cs(struct intel_engine_cs *engine,
+				  int fast_timeout_us,
+				  int slow_timeout_ms)
 {
 	struct intel_uncore *uncore = engine->uncore;
-	const u32 base = engine->mmio_base;
-	const i915_reg_t mode = RING_MI_MODE(base);
+	const i915_reg_t mode = RING_MI_MODE(engine->mmio_base);
 	int err;
 
+	intel_uncore_write_fw(uncore, mode, _MASKED_BIT_ENABLE(STOP_RING));
+	err = __intel_wait_for_register_fw(engine->uncore, mode,
+					   MODE_IDLE, MODE_IDLE,
+					   fast_timeout_us,
+					   slow_timeout_ms,
+					   NULL);
+
+	/* A final mmio read to let GPU writes be hopefully flushed to memory */
+	intel_uncore_posting_read_fw(uncore, mode);
+	return err;
+}
+
+int intel_engine_stop_cs(struct intel_engine_cs *engine)
+{
+	int err = 0;
+
 	if (INTEL_GEN(engine->i915) < 3)
 		return -ENODEV;
 
 	ENGINE_TRACE(engine, "\n");
-
-	intel_uncore_write_fw(uncore, mode, _MASKED_BIT_ENABLE(STOP_RING));
-
-	err = 0;
-	if (__intel_wait_for_register_fw(uncore,
-					 mode, MODE_IDLE, MODE_IDLE,
-					 1000, stop_timeout(engine),
-					 NULL)) {
+	if (__intel_engine_stop_cs(engine, 1000, stop_timeout(engine))) {
 		ENGINE_TRACE(engine, "timed out on STOP_RING -> IDLE\n");
 		err = -ETIMEDOUT;
 	}
 
-	/* A final mmio read to let GPU writes be hopefully flushed to memory */
-	intel_uncore_posting_read_fw(uncore, mode);
-
 	return err;
 }
 
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pm.c b/drivers/gpu/drm/i915/gt/intel_engine_pm.c
index f7b2e07e2229..6145d16576c8 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_pm.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_pm.c
@@ -123,7 +123,7 @@ __queue_and_release_pm(struct i915_request *rq,
 		list_add_tail(&tl->link, &timelines->active_list);
 
 	/* Hand the request over to HW and so engine_retire() */
-	__i915_request_queue(rq, NULL);
+	__i915_request_queue_bh(rq);
 
 	/* Let new submissions commence (and maybe retire this timeline) */
 	__intel_wakeref_defer_park(&engine->wakeref);
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_types.h b/drivers/gpu/drm/i915/gt/intel_engine_types.h
index ee6312601c56..e71eef157231 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h
@@ -183,7 +183,8 @@ struct intel_engine_execlists {
 	 * Reserve the upper 16b for tracking internal errors.
 	 */
 	u32 error_interrupt;
-#define ERROR_CSB BIT(31)
+#define ERROR_CSB	BIT(31)
+#define ERROR_PREEMPT	BIT(30)
 
 	/**
 	 * @reset_ccid: Active CCID [EXECLISTS_STATUS_HI] at the time of reset
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 26e63d6df01a..66354cb08b14 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -1378,8 +1378,7 @@ __execlists_schedule_in(struct i915_request *rq)
 	return engine;
 }
 
-static inline struct i915_request *
-execlists_schedule_in(struct i915_request *rq, int idx)
+static inline void execlists_schedule_in(struct i915_request *rq, int idx)
 {
 	struct intel_context * const ce = rq->context;
 	struct intel_engine_cs *old;
@@ -1396,7 +1395,6 @@ execlists_schedule_in(struct i915_request *rq, int idx)
 	} while (!try_cmpxchg(&ce->inflight, &old, ptr_inc(old)));
 
 	GEM_BUG_ON(intel_context_inflight(ce) != rq->engine);
-	return i915_request_get(rq);
 }
 
 static void kick_siblings(struct i915_request *rq, struct intel_context *ce)
@@ -2078,8 +2076,7 @@ static void execlists_dequeue(struct intel_engine_cs *engine)
 	struct intel_engine_execlists * const execlists = &engine->execlists;
 	struct i915_request **port = execlists->pending;
 	struct i915_request ** const last_port = port + execlists->port_mask;
-	struct i915_request * const *active;
-	struct i915_request *last;
+	struct i915_request *last = *execlists->active;
 	struct rb_node *rb;
 	bool submit = false;
 
@@ -2105,6 +2102,8 @@ static void execlists_dequeue(struct intel_engine_cs *engine)
 	 * and context switches) submission.
 	 */
 
+	spin_lock(&engine->active.lock);
+
 	for (rb = rb_first_cached(&execlists->virtual); rb; ) {
 		struct virtual_engine *ve =
 			rb_entry(rb, typeof(*ve), nodes[engine->id].rb);
@@ -2132,10 +2131,7 @@ static void execlists_dequeue(struct intel_engine_cs *engine)
 	 * the active context to interject the preemption request,
 	 * i.e. we will retrigger preemption following the ack in case
 	 * of trouble.
-	 */
-	active = READ_ONCE(execlists->active);
-
-	/*
+	 *
 	 * In theory we can skip over completed contexts that have not
 	 * yet been processed by events (as those events are in flight):
 	 *
@@ -2147,7 +2143,7 @@ static void execlists_dequeue(struct intel_engine_cs *engine)
 	 * completed and barf.
 	 */
 
-	if ((last = *active)) {
+	if (last) {
 		if (i915_request_completed(last)) {
 			goto check_secondary;
 		} else if (need_preempt(engine, last, rb)) {
@@ -2220,6 +2216,7 @@ static void execlists_dequeue(struct intel_engine_cs *engine)
 				 * Even if ELSP[1] is occupied and not worthy
 				 * of timeslices, our queue might be.
 				 */
+				spin_unlock(&engine->active.lock);
 				start_timeslice(engine, queue_prio(execlists));
 				return;
 			}
@@ -2255,6 +2252,7 @@ static void execlists_dequeue(struct intel_engine_cs *engine)
 
 			if (last && !can_merge_rq(last, rq)) {
 				spin_unlock(&ve->base.active.lock);
+				spin_unlock(&engine->active.lock);
 				start_timeslice(engine, rq_prio(rq));
 				return; /* leave this for another sibling */
 			}
@@ -2372,8 +2370,7 @@ static void execlists_dequeue(struct intel_engine_cs *engine)
 
 			if (__i915_request_submit(rq)) {
 				if (!merge) {
-					*port = execlists_schedule_in(last, port - execlists->pending);
-					port++;
+					*port++ = i915_request_get(last);
 					last = NULL;
 				}
 
@@ -2392,8 +2389,9 @@ static void execlists_dequeue(struct intel_engine_cs *engine)
 		rb_erase_cached(&p->node, &execlists->queue);
 		i915_priolist_free(p);
 	}
-
 done:
+	*port++ = i915_request_get(last);
+
 	/*
 	 * Here be a bit of magic! Or sleight-of-hand, whichever you prefer.
 	 *
@@ -2411,36 +2409,45 @@ static void execlists_dequeue(struct intel_engine_cs *engine)
 	 * interrupt for secondary ports).
 	 */
 	execlists->queue_priority_hint = queue_prio(execlists);
+	spin_unlock(&engine->active.lock);
 
 	if (submit) {
-		*port = execlists_schedule_in(last, port - execlists->pending);
-		execlists->switch_priority_hint =
-			switch_prio(engine, *execlists->pending);
-
 		/*
 		 * Skip if we ended up with exactly the same set of requests,
 		 * e.g. trying to timeslice a pair of ordered contexts
 		 */
-		if (!memcmp(active, execlists->pending,
-			    (port - execlists->pending + 1) * sizeof(*port))) {
-			do
-				execlists_schedule_out(fetch_and_zero(port));
-			while (port-- != execlists->pending);
-
+		if (!memcmp(execlists->active,
+			    execlists->pending,
+			    (port - execlists->pending) * sizeof(*port)))
 			goto skip_submit;
-		}
-		clear_ports(port + 1, last_port - port);
+
+		*port = NULL;
+		while (port-- != execlists->pending)
+			execlists_schedule_in(*port, port - execlists->pending);
+
+		execlists->switch_priority_hint =
+			switch_prio(engine, *execlists->pending);
 
 		WRITE_ONCE(execlists->yield, -1);
-		set_preempt_timeout(engine, *active);
+		set_preempt_timeout(engine, *execlists->active);
 		execlists_submit_ports(engine);
 	} else {
 		start_timeslice(engine, execlists->queue_priority_hint);
 skip_submit:
 		ring_set_paused(engine, 0);
+		while (port-- != execlists->pending)
+			i915_request_put(*port);
+		*execlists->pending = NULL;
 	}
 }
 
+static void execlists_dequeue_irq(struct intel_engine_cs *engine)
+{
+	local_irq_disable(); /* Suspend interrupts across request submission */
+	execlists_dequeue(engine);
+	local_irq_enable(); /* flush irq_work (e.g. breadcrumb enabling) */
+}
+
 static void
 cancel_port_requests(struct intel_engine_execlists * const execlists)
 {
@@ -2744,16 +2751,6 @@ static void process_csb(struct intel_engine_cs *engine)
 	invalidate_csb_entries(&buf[0], &buf[num_entries - 1]);
 }
 
-static void __execlists_submission_tasklet(struct intel_engine_cs *const engine)
-{
-	lockdep_assert_held(&engine->active.lock);
-	if (!READ_ONCE(engine->execlists.pending[0])) {
-		rcu_read_lock(); /* protect peeking at execlists->active */
-		execlists_dequeue(engine);
-		rcu_read_unlock();
-	}
-}
-
 static void __execlists_hold(struct i915_request *rq)
 {
 	LIST_HEAD(list);
@@ -3140,7 +3137,7 @@ static bool preempt_timeout(const struct intel_engine_cs *const engine)
 	if (!timer_expired(t))
 		return false;
 
-	return READ_ONCE(engine->execlists.pending[0]);
+	return engine->execlists.pending[0];
 }
 
 /*
@@ -3150,10 +3147,12 @@ static bool preempt_timeout(const struct intel_engine_cs *const engine)
 static void execlists_submission_tasklet(unsigned long data)
 {
 	struct intel_engine_cs * const engine = (struct intel_engine_cs *)data;
-	bool timeout = preempt_timeout(engine);
 
 	process_csb(engine);
 
+	if (unlikely(preempt_timeout(engine)))
+		engine->execlists.error_interrupt |= ERROR_PREEMPT;
+
 	if (unlikely(READ_ONCE(engine->execlists.error_interrupt))) {
 		const char *msg;
 
@@ -3162,6 +3161,8 @@ static void execlists_submission_tasklet(unsigned long data)
 			msg = "CS error"; /* thrown by a user payload */
 		else if (engine->execlists.error_interrupt & ERROR_CSB)
 			msg = "invalid CSB event";
+		else if (engine->execlists.error_interrupt & ERROR_PREEMPT)
+			msg = "preemption time out";
 		else
 			msg = "internal error";
 
@@ -3169,17 +3170,8 @@ static void execlists_submission_tasklet(unsigned long data)
 		execlists_reset(engine, msg);
 	}
 
-	if (!READ_ONCE(engine->execlists.pending[0]) || timeout) {
-		unsigned long flags;
-
-		spin_lock_irqsave(&engine->active.lock, flags);
-		__execlists_submission_tasklet(engine);
-		spin_unlock_irqrestore(&engine->active.lock, flags);
-
-		/* Recheck after serialising with direct-submission */
-		if (unlikely(timeout && preempt_timeout(engine)))
-			execlists_reset(engine, "preemption time out");
-	}
+	if (!engine->execlists.pending[0])
+		execlists_dequeue_irq(engine);
 }
 
 static void __execlists_kick(struct intel_engine_execlists *execlists)
@@ -3210,26 +3202,16 @@ static void queue_request(struct intel_engine_cs *engine,
 	set_bit(I915_FENCE_FLAG_PQUEUE, &rq->fence.flags);
 }
 
-static void __submit_queue_imm(struct intel_engine_cs *engine)
-{
-	struct intel_engine_execlists * const execlists = &engine->execlists;
-
-	if (reset_in_progress(execlists))
-		return; /* defer until we restart the engine following reset */
-
-	__execlists_submission_tasklet(engine);
-}
-
-static void submit_queue(struct intel_engine_cs *engine,
+static bool submit_queue(struct intel_engine_cs *engine,
 			 const struct i915_request *rq)
 {
 	struct intel_engine_execlists *execlists = &engine->execlists;
 
 	if (rq_prio(rq) <= execlists->queue_priority_hint)
-		return;
+		return false;
 
 	execlists->queue_priority_hint = rq_prio(rq);
-	__submit_queue_imm(engine);
+	return true;
 }
 
 static bool ancestor_on_hold(const struct intel_engine_cs *engine,
@@ -3239,25 +3221,11 @@ static bool ancestor_on_hold(const struct intel_engine_cs *engine,
 	return !list_empty(&engine->active.hold) && hold_request(rq);
 }
 
-static void flush_csb(struct intel_engine_cs *engine)
-{
-	struct intel_engine_execlists *el = &engine->execlists;
-
-	if (READ_ONCE(el->pending[0]) && tasklet_trylock(&el->tasklet)) {
-		if (!reset_in_progress(el))
-			process_csb(engine);
-		tasklet_unlock(&el->tasklet);
-	}
-}
-
 static void execlists_submit_request(struct i915_request *request)
 {
 	struct intel_engine_cs *engine = request->engine;
 	unsigned long flags;
 
-	/* Hopefully we clear execlists->pending[] to let us through */
-	flush_csb(engine);
-
 	/* Will be called from irq-context when using foreign fences. */
 	spin_lock_irqsave(&engine->active.lock, flags);
 
@@ -3271,7 +3239,8 @@ static void execlists_submit_request(struct i915_request *request)
 		GEM_BUG_ON(RB_EMPTY_ROOT(&engine->execlists.queue.rb_root));
 		GEM_BUG_ON(list_empty(&request->sched.link));
 
-		submit_queue(engine, request);
+		if (submit_queue(engine, request))
+			__execlists_kick(&engine->execlists);
 	}
 
 	spin_unlock_irqrestore(&engine->active.lock, flags);
@@ -4170,7 +4139,6 @@ static int execlists_resume(struct intel_engine_cs *engine)
 static void execlists_reset_prepare(struct intel_engine_cs *engine)
 {
 	struct intel_engine_execlists * const execlists = &engine->execlists;
-	unsigned long flags;
 
 	ENGINE_TRACE(engine, "depth<-%d\n",
 		     atomic_read(&execlists->tasklet.count));
@@ -4187,10 +4155,6 @@ static void execlists_reset_prepare(struct intel_engine_cs *engine)
 	__tasklet_disable_sync_once(&execlists->tasklet);
 	GEM_BUG_ON(!reset_in_progress(execlists));
 
-	/* And flush any current direct submission. */
-	spin_lock_irqsave(&engine->active.lock, flags);
-	spin_unlock_irqrestore(&engine->active.lock, flags);
-
 	/*
 	 * We stop engines, otherwise we might get failed reset and a
 	 * dead gpu (on elk). Also as modern gpu as kbl can suffer
@@ -4435,12 +4399,12 @@ static void execlists_reset_finish(struct intel_engine_cs *engine)
 	 * to sleep before we restart and reload a context.
 	 */
 	GEM_BUG_ON(!reset_in_progress(execlists));
-	if (!RB_EMPTY_ROOT(&execlists->queue.rb_root))
-		execlists->tasklet.func(execlists->tasklet.data);
+	GEM_BUG_ON(engine->execlists.pending[0]);
 
+	/* And kick in case we missed a new request submission. */
 	if (__tasklet_enable(&execlists->tasklet))
-		/* And kick in case we missed a new request submission. */
-		tasklet_hi_schedule(&execlists->tasklet);
+		__execlists_kick(execlists);
+
 	ENGINE_TRACE(engine, "depth->%d\n",
 		     atomic_read(&execlists->tasklet.count));
 }
diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c
index 4e5e13dc95da..b5bf216d9e07 100644
--- a/drivers/gpu/drm/i915/gt/intel_reset.c
+++ b/drivers/gpu/drm/i915/gt/intel_reset.c
@@ -40,20 +40,19 @@ static void rmw_clear_fw(struct intel_uncore *uncore, i915_reg_t reg, u32 clr)
 	intel_uncore_rmw_fw(uncore, reg, clr, 0);
 }
 
-static void engine_skip_context(struct i915_request *rq)
+static void skip_context(struct i915_request *rq)
 {
-	struct intel_engine_cs *engine = rq->engine;
 	struct intel_context *hung_ctx = rq->context;
 
-	if (!i915_request_is_active(rq))
-		return;
+	list_for_each_entry_from_rcu(rq, &hung_ctx->timeline->requests, link) {
+		if (!i915_request_is_active(rq))
+			return;
 
-	lockdep_assert_held(&engine->active.lock);
-	list_for_each_entry_continue(rq, &engine->active.requests, sched.link)
 		if (rq->context == hung_ctx) {
 			i915_request_set_error_once(rq, -EIO);
 			__i915_request_skip(rq);
 		}
+	}
 }
 
 static void client_mark_guilty(struct i915_gem_context *ctx, bool banned)
@@ -160,7 +159,7 @@ void __i915_request_reset(struct i915_request *rq, bool guilty)
 		i915_request_set_error_once(rq, -EIO);
 		__i915_request_skip(rq);
 		if (mark_guilty(rq))
-			engine_skip_context(rq);
+			skip_context(rq);
 	} else {
 		i915_request_set_error_once(rq, -EAGAIN);
 		mark_innocent(rq);
@@ -754,8 +753,10 @@ static int gt_reset(struct intel_gt *gt, intel_engine_mask_t stalled_mask)
 	if (err)
 		return err;
 
+	local_bh_disable();
 	for_each_engine(engine, gt, id)
 		__intel_engine_reset(engine, stalled_mask & engine->mask);
+	local_bh_enable();
 
 	intel_ggtt_restore_fences(gt->ggtt);
 
@@ -833,9 +834,11 @@ static void __intel_gt_set_wedged(struct intel_gt *gt)
 	set_bit(I915_WEDGED, &gt->reset.flags);
 
 	/* Mark all executing requests as skipped */
+	local_bh_disable();
 	for_each_engine(engine, gt, id)
 		if (engine->reset.cancel)
 			engine->reset.cancel(engine);
+	local_bh_enable();
 
 	reset_finish(gt, awake);
 
@@ -1110,20 +1113,7 @@ static inline int intel_gt_reset_engine(struct intel_engine_cs *engine)
 	return __intel_gt_reset(engine->gt, engine->mask);
 }
 
-/**
- * intel_engine_reset - reset GPU engine to recover from a hang
- * @engine: engine to reset
- * @msg: reason for GPU reset; or NULL for no drm_notice()
- *
- * Reset a specific GPU engine. Useful if a hang is detected.
- * Returns zero on successful reset or otherwise an error code.
- *
- * Procedure is:
- *  - identifies the request that caused the hang and it is dropped
- *  - reset engine (which will force the engine to idle)
- *  - re-init/configure engine
- */
-int intel_engine_reset(struct intel_engine_cs *engine, const char *msg)
+int __intel_engine_reset_bh(struct intel_engine_cs *engine, const char *msg)
 {
 	struct intel_gt *gt = engine->gt;
 	bool uses_guc = intel_engine_in_guc_submission_mode(engine);
@@ -1174,6 +1164,30 @@ int intel_engine_reset(struct intel_engine_cs *engine, const char *msg)
 	return ret;
 }
 
+/**
+ * intel_engine_reset - reset GPU engine to recover from a hang
+ * @engine: engine to reset
+ * @msg: reason for GPU reset; or NULL for no drm_notice()
+ *
+ * Reset a specific GPU engine. Useful if a hang is detected.
+ * Returns zero on successful reset or otherwise an error code.
+ *
+ * Procedure is:
+ *  - identifies the request that caused the hang and it is dropped
+ *  - reset engine (which will force the engine to idle)
+ *  - re-init/configure engine
+ */
+int intel_engine_reset(struct intel_engine_cs *engine, const char *msg)
+{
+	int err;
+
+	local_bh_disable();
+	err = __intel_engine_reset_bh(engine, msg);
+	local_bh_enable();
+
+	return err;
+}
+
 static void intel_gt_reset_global(struct intel_gt *gt,
 				  u32 engine_mask,
 				  const char *reason)
@@ -1260,18 +1274,20 @@ void intel_gt_handle_error(struct intel_gt *gt,
 	 * single reset fails.
 	 */
 	if (intel_has_reset_engine(gt) && !intel_gt_is_wedged(gt)) {
+		local_bh_disable();
 		for_each_engine_masked(engine, gt, engine_mask, tmp) {
 			BUILD_BUG_ON(I915_RESET_MODESET >= I915_RESET_ENGINE);
 			if (test_and_set_bit(I915_RESET_ENGINE + engine->id,
 					     &gt->reset.flags))
 				continue;
 
-			if (intel_engine_reset(engine, msg) == 0)
+			if (__intel_engine_reset_bh(engine, msg) == 0)
 				engine_mask &= ~engine->mask;
 
 			clear_and_wake_up_bit(I915_RESET_ENGINE + engine->id,
 					      &gt->reset.flags);
 		}
+		local_bh_enable();
 	}
 
 	if (!engine_mask)
diff --git a/drivers/gpu/drm/i915/gt/intel_reset.h b/drivers/gpu/drm/i915/gt/intel_reset.h
index a0eec7c11c0c..7dbf5cc8a333 100644
--- a/drivers/gpu/drm/i915/gt/intel_reset.h
+++ b/drivers/gpu/drm/i915/gt/intel_reset.h
@@ -34,6 +34,8 @@ void intel_gt_reset(struct intel_gt *gt,
 		    const char *reason);
 int intel_engine_reset(struct intel_engine_cs *engine,
 		       const char *reason);
+int __intel_engine_reset_bh(struct intel_engine_cs *engine,
+			    const char *reason);
 
 void __i915_request_reset(struct i915_request *rq, bool guilty);
 
diff --git a/drivers/gpu/drm/i915/gt/selftest_context.c b/drivers/gpu/drm/i915/gt/selftest_context.c
index 1f4020e906a8..db738d400168 100644
--- a/drivers/gpu/drm/i915/gt/selftest_context.c
+++ b/drivers/gpu/drm/i915/gt/selftest_context.c
@@ -25,7 +25,7 @@ static int request_sync(struct i915_request *rq)
 	/* Opencode i915_request_add() so we can keep the timeline locked. */
 	__i915_request_commit(rq);
 	rq->sched.attr.priority = I915_PRIORITY_BARRIER;
-	__i915_request_queue(rq, NULL);
+	__i915_request_queue_bh(rq);
 
 	timeout = i915_request_wait(rq, 0, HZ / 10);
 	if (timeout < 0)
diff --git a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
index fb5ebf930ab2..c28d1fcad673 100644
--- a/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
+++ b/drivers/gpu/drm/i915/gt/selftest_hangcheck.c
@@ -1576,12 +1576,17 @@ static int __igt_atomic_reset_engine(struct intel_engine_cs *engine,
 		  engine->name, mode, p->name);
 
 	tasklet_disable(t);
+	if (strcmp(p->name, "softirq"))
+		local_bh_disable();
 	p->critical_section_begin();
 
-	err = intel_engine_reset(engine, NULL);
+	err = __intel_engine_reset_bh(engine, NULL);
 
 	p->critical_section_end();
+	if (strcmp(p->name, "softirq"))
+		local_bh_enable();
 	tasklet_enable(t);
+	tasklet_hi_schedule(t);
 
 	if (err)
 		pr_err("i915_reset_engine(%s:%s) failed under %s\n",
diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c
index 95d41c01d0e0..37cb51c3f4f6 100644
--- a/drivers/gpu/drm/i915/gt/selftest_lrc.c
+++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c
@@ -623,8 +623,10 @@ static int live_hold_reset(void *arg)
 
 		/* We have our request executing, now remove it and reset */
 
+		local_bh_disable();
 		if (test_and_set_bit(I915_RESET_ENGINE + id,
 				     &gt->reset.flags)) {
+			local_bh_enable();
 			intel_gt_set_wedged(gt);
 			err = -EBUSY;
 			goto out;
@@ -638,12 +640,13 @@ static int live_hold_reset(void *arg)
 		execlists_hold(engine, rq);
 		GEM_BUG_ON(!i915_request_on_hold(rq));
 
-		intel_engine_reset(engine, NULL);
+		__intel_engine_reset_bh(engine, NULL);
 		GEM_BUG_ON(rq->fence.error != -EIO);
 
 		tasklet_enable(&engine->execlists.tasklet);
 		clear_and_wake_up_bit(I915_RESET_ENGINE + id,
 				      &gt->reset.flags);
+		local_bh_enable();
 
 		/* Check that we do not resubmit the held request */
 		if (!i915_request_wait(rq, 0, HZ / 5)) {
@@ -4569,8 +4572,10 @@ static int reset_virtual_engine(struct intel_gt *gt,
 	GEM_BUG_ON(engine == ve->engine);
 
 	/* Take ownership of the reset and tasklet */
+	local_bh_disable();
 	if (test_and_set_bit(I915_RESET_ENGINE + engine->id,
 			     &gt->reset.flags)) {
+		local_bh_enable();
 		intel_gt_set_wedged(gt);
 		err = -EBUSY;
 		goto out_heartbeat;
@@ -4590,12 +4595,13 @@ static int reset_virtual_engine(struct intel_gt *gt,
 	execlists_hold(engine, rq);
 	GEM_BUG_ON(!i915_request_on_hold(rq));
 
-	intel_engine_reset(engine, NULL);
+	__intel_engine_reset_bh(engine, NULL);
 	GEM_BUG_ON(rq->fence.error != -EIO);
 
 	/* Release our grasp on the engine, letting CS flow again */
 	tasklet_enable(&engine->execlists.tasklet);
 	clear_and_wake_up_bit(I915_RESET_ENGINE + engine->id, &gt->reset.flags);
+	local_bh_enable();
 
 	/* Check that we do not resubmit the held request */
 	i915_request_get(rq);
@@ -6242,16 +6248,17 @@ static void garbage_reset(struct intel_engine_cs *engine,
 	const unsigned int bit = I915_RESET_ENGINE + engine->id;
 	unsigned long *lock = &engine->gt->reset.flags;
 
-	if (test_and_set_bit(bit, lock))
-		return;
-
-	tasklet_disable(&engine->execlists.tasklet);
+	local_bh_disable();
+	if (!test_and_set_bit(bit, lock)) {
+		tasklet_disable(&engine->execlists.tasklet);
 
-	if (!rq->fence.error)
-		intel_engine_reset(engine, NULL);
+		if (!rq->fence.error)
+			__intel_engine_reset_bh(engine, NULL);
 
-	tasklet_enable(&engine->execlists.tasklet);
-	clear_and_wake_up_bit(bit, lock);
+		tasklet_enable(&engine->execlists.tasklet);
+		clear_and_wake_up_bit(bit, lock);
+	}
+	local_bh_enable();
 }
 
 static struct i915_request *garbage(struct intel_context *ce,
diff --git a/drivers/gpu/drm/i915/gt/selftest_reset.c b/drivers/gpu/drm/i915/gt/selftest_reset.c
index 35406ecdf0b2..19dd0c347874 100644
--- a/drivers/gpu/drm/i915/gt/selftest_reset.c
+++ b/drivers/gpu/drm/i915/gt/selftest_reset.c
@@ -132,11 +132,16 @@ static int igt_atomic_engine_reset(void *arg)
 		for (p = igt_atomic_phases; p->name; p++) {
 			GEM_TRACE("intel_engine_reset(%s) under %s\n",
 				  engine->name, p->name);
+			if (strcmp(p->name, "softirq"))
+				local_bh_disable();
 
 			p->critical_section_begin();
-			err = intel_engine_reset(engine, NULL);
+			err = __intel_engine_reset_bh(engine, NULL);
 			p->critical_section_end();
 
+			if (strcmp(p->name, "softirq"))
+				local_bh_enable();
+
 			if (err) {
 				pr_err("intel_engine_reset(%s) failed under %s\n",
 				       engine->name, p->name);
@@ -146,6 +151,7 @@ static int igt_atomic_engine_reset(void *arg)
 
 		intel_engine_pm_put(engine);
 		tasklet_enable(&engine->execlists.tasklet);
+		tasklet_hi_schedule(&engine->execlists.tasklet);
 		if (err)
 			break;
 	}
diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c
index a17c0f297461..3178ed90d9b0 100644
--- a/drivers/gpu/drm/i915/i915_request.c
+++ b/drivers/gpu/drm/i915/i915_request.c
@@ -1578,6 +1578,12 @@ struct i915_request *__i915_request_commit(struct i915_request *rq)
 	return __i915_request_add_to_timeline(rq);
 }
 
+void __i915_request_queue_bh(struct i915_request *rq)
+{
+	i915_sw_fence_commit(&rq->semaphore);
+	i915_sw_fence_commit(&rq->submit);
+}
+
 void __i915_request_queue(struct i915_request *rq,
 			  const struct i915_sched_attr *attr)
 {
@@ -1594,8 +1600,10 @@ void __i915_request_queue(struct i915_request *rq,
 	 */
 	if (attr && rq->engine->schedule)
 		rq->engine->schedule(rq, attr);
-	i915_sw_fence_commit(&rq->semaphore);
-	i915_sw_fence_commit(&rq->submit);
+
+	local_bh_disable();
+	__i915_request_queue_bh(rq);
+	local_bh_enable(); /* kick tasklets */
 }
 
 void i915_request_add(struct i915_request *rq)
diff --git a/drivers/gpu/drm/i915/i915_request.h b/drivers/gpu/drm/i915/i915_request.h
index a06263bf8cbb..cc1f4c228dec 100644
--- a/drivers/gpu/drm/i915/i915_request.h
+++ b/drivers/gpu/drm/i915/i915_request.h
@@ -304,6 +304,7 @@ void __i915_request_skip(struct i915_request *rq);
 struct i915_request *__i915_request_commit(struct i915_request *request);
 void __i915_request_queue(struct i915_request *rq,
 			  const struct i915_sched_attr *attr);
+void __i915_request_queue_bh(struct i915_request *rq);
 
 bool i915_request_retire(struct i915_request *rq);
 void i915_request_retire_upto(struct i915_request *rq);
diff --git a/drivers/gpu/drm/i915/i915_scheduler.c b/drivers/gpu/drm/i915/i915_scheduler.c
index cbb880b10c65..76e2bbdf7d5b 100644
--- a/drivers/gpu/drm/i915/i915_scheduler.c
+++ b/drivers/gpu/drm/i915/i915_scheduler.c
@@ -458,14 +458,10 @@ int i915_sched_node_add_dependency(struct i915_sched_node *node,
 	if (!dep)
 		return -ENOMEM;
 
-	local_bh_disable();
-
 	if (!__i915_sched_node_add_dependency(node, signal, dep,
 					      flags | I915_DEPENDENCY_ALLOC))
 		i915_dependency_free(dep);
 
-	local_bh_enable(); /* kick submission tasklet */
-
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/i915/selftests/i915_request.c b/drivers/gpu/drm/i915/selftests/i915_request.c
index 3092ca763789..01ed36988bf3 100644
--- a/drivers/gpu/drm/i915/selftests/i915_request.c
+++ b/drivers/gpu/drm/i915/selftests/i915_request.c
@@ -1932,9 +1932,7 @@ static int measure_inter_request(struct intel_context *ce)
 		intel_ring_advance(rq, cs);
 		i915_request_add(rq);
 	}
-	local_bh_disable();
 	i915_sw_fence_commit(submit);
-	local_bh_enable();
 	intel_engine_flush_submission(ce->engine);
 	heap_fence_put(submit);
 
@@ -2220,11 +2218,9 @@ static int measure_completion(struct intel_context *ce)
 		intel_ring_advance(rq, cs);
 
 		dma_fence_add_callback(&rq->fence, &cb.base, signal_cb);
-
-		local_bh_disable();
 		i915_request_add(rq);
-		local_bh_enable();
 
+		intel_engine_flush_submission(ce->engine);
 		if (wait_for(READ_ONCE(sema[i]) == -1, 50)) {
 			err = -EIO;
 			goto err;
