drm/i915: Stop passing I915_WAIT_LOCKED to i915_request_wait()

Since commit eb8d0f5a ("drm/i915: Remove GPU reset dependence on
struct_mutex"), the I915_WAIT_LOCKED flags passed to i915_request_wait()
has been defunct. Now go ahead and remove it from all callers.

References: eb8d0f5a ("drm/i915: Remove GPU reset dependence on struct_mutex")
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/20190618074153.16055-3-chris@chris-wilson.co.uk

drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c

@@ -83,9 +83,7 @@ static int live_nop_switch(void *arg)
 			}
 			i915_request_add(rq);
 		}
-		if (i915_request_wait(rq,
-				      I915_WAIT_LOCKED,
-				      HZ / 5) < 0) {
+		if (i915_request_wait(rq, 0, HZ / 5) < 0) {
 			pr_err("Failed to populated %d contexts\n", nctx);
 			i915_gem_set_wedged(i915);
 			err = -EIO;
@@ -128,9 +126,7 @@ static int live_nop_switch(void *arg)
 
 				i915_request_add(rq);
 			}
-			if (i915_request_wait(rq,
-					      I915_WAIT_LOCKED,
-					      HZ / 5) < 0) {
+			if (i915_request_wait(rq, 0, HZ / 5) < 0) {
 				pr_err("Switching between %ld contexts timed out\n",
 				       prime);
 				i915_gem_set_wedged(i915);
@@ -893,7 +889,7 @@ __read_slice_count(struct drm_i915_private *i915,
 	if (spin)
 		igt_spinner_end(spin);
 
-	ret = i915_request_wait(rq, I915_WAIT_LOCKED, MAX_SCHEDULE_TIMEOUT);
+	ret = i915_request_wait(rq, 0, MAX_SCHEDULE_TIMEOUT);
 	i915_request_put(rq);
 	if (ret < 0)
 		return ret;
@@ -980,9 +976,7 @@ __sseu_finish(struct drm_i915_private *i915,
 		igt_spinner_end(spin);
 
 	if ((flags & TEST_IDLE) && ret == 0) {
-		ret = i915_gem_wait_for_idle(i915,
-					     I915_WAIT_LOCKED,
-					     MAX_SCHEDULE_TIMEOUT);
+		ret = i915_gem_wait_for_idle(i915, 0, MAX_SCHEDULE_TIMEOUT);
 		if (ret)
 			return ret;
 

drivers/gpu/drm/i915/gt/intel_ringbuffer.c

@@ -1815,7 +1815,7 @@ static noinline int wait_for_space(struct intel_ring *ring, unsigned int bytes)
 		return -ENOSPC;
 
 	timeout = i915_request_wait(target,
-				    I915_WAIT_INTERRUPTIBLE | I915_WAIT_LOCKED,
+				    I915_WAIT_INTERRUPTIBLE,
 				    MAX_SCHEDULE_TIMEOUT);
 	if (timeout < 0)
 		return timeout;

drivers/gpu/drm/i915/gt/intel_workarounds.c

@@ -1435,7 +1435,7 @@ static int engine_wa_list_verify(struct intel_context *ce,
 		goto err_vma;
 
 	i915_request_add(rq);
-	if (i915_request_wait(rq, I915_WAIT_LOCKED, HZ / 5) < 0) {
+	if (i915_request_wait(rq, 0, HZ / 5) < 0) {
 		err = -ETIME;
 		goto err_vma;
 	}

drivers/gpu/drm/i915/gt/selftest_hangcheck.c

@@ -339,8 +339,7 @@ static int igt_hang_sanitycheck(void *arg)
 
 		timeout = 0;
 		igt_wedge_on_timeout(&w, i915, HZ / 10 /* 100ms timeout*/)
-			timeout = i915_request_wait(rq,
-						    I915_WAIT_LOCKED,
+			timeout = i915_request_wait(rq, 0,
 						    MAX_SCHEDULE_TIMEOUT);
 		if (i915_reset_failed(i915))
 			timeout = -EIO;
@@ -1098,7 +1097,7 @@ static int igt_reset_wait(void *arg)
 
 	reset_count = fake_hangcheck(i915, ALL_ENGINES);
 
-	timeout = i915_request_wait(rq, I915_WAIT_LOCKED, 10);
+	timeout = i915_request_wait(rq, 0, 10);
 	if (timeout < 0) {
 		pr_err("i915_request_wait failed on a stuck request: err=%ld\n",
 		       timeout);
@@ -1666,9 +1665,7 @@ static int igt_atomic_reset_engine(struct intel_engine_cs *engine,
 		struct igt_wedge_me w;
 
 		igt_wedge_on_timeout(&w, i915, HZ / 20 /* 50ms timeout*/)
-			i915_request_wait(rq,
-					  I915_WAIT_LOCKED,
-					  MAX_SCHEDULE_TIMEOUT);
+			i915_request_wait(rq, 0, MAX_SCHEDULE_TIMEOUT);
 		if (i915_reset_failed(i915))
 			err = -EIO;
 	}

drivers/gpu/drm/i915/gt/selftest_lrc.c

@@ -192,7 +192,7 @@ static int live_busywait_preempt(void *arg)
 		}
 
 		/* Low priority request should be busywaiting now */
-		if (i915_request_wait(lo, I915_WAIT_LOCKED, 1) != -ETIME) {
+		if (i915_request_wait(lo, 0, 1) != -ETIME) {
 			pr_err("%s: Busywaiting request did not!\n",
 			       engine->name);
 			err = -EIO;
@@ -220,7 +220,7 @@ static int live_busywait_preempt(void *arg)
 		intel_ring_advance(hi, cs);
 		i915_request_add(hi);
 
-		if (i915_request_wait(lo, I915_WAIT_LOCKED, HZ / 5) < 0) {
+		if (i915_request_wait(lo, 0, HZ / 5) < 0) {
 			struct drm_printer p = drm_info_printer(i915->drm.dev);
 
 			pr_err("%s: Failed to preempt semaphore busywait!\n",
@@ -739,7 +739,6 @@ static int live_suppress_wait_preempt(void *arg)
 			GEM_BUG_ON(!i915_request_started(rq[0]));
 
 			if (i915_request_wait(rq[depth],
-					      I915_WAIT_LOCKED |
 					      I915_WAIT_PRIORITY,
 					      1) != -ETIME) {
 				pr_err("%s: Waiter depth:%d completed!\n",
@@ -841,7 +840,7 @@ static int live_chain_preempt(void *arg)
 			 __func__, engine->name, ring_size);
 
 		igt_spinner_end(&lo.spin);
-		if (i915_request_wait(rq, I915_WAIT_LOCKED, HZ / 2) < 0) {
+		if (i915_request_wait(rq, 0, HZ / 2) < 0) {
 			pr_err("Timed out waiting to flush %s\n", engine->name);
 			goto err_wedged;
 		}
@@ -882,7 +881,7 @@ static int live_chain_preempt(void *arg)
 			engine->schedule(rq, &attr);
 
 			igt_spinner_end(&hi.spin);
-			if (i915_request_wait(rq, I915_WAIT_LOCKED, HZ / 5) < 0) {
+			if (i915_request_wait(rq, 0, HZ / 5) < 0) {
 				struct drm_printer p =
 					drm_info_printer(i915->drm.dev);
 
@@ -898,7 +897,7 @@ static int live_chain_preempt(void *arg)
 			if (IS_ERR(rq))
 				goto err_wedged;
 			i915_request_add(rq);
-			if (i915_request_wait(rq, I915_WAIT_LOCKED, HZ / 5) < 0) {
+			if (i915_request_wait(rq, 0, HZ / 5) < 0) {
 				struct drm_printer p =
 					drm_info_printer(i915->drm.dev);
 
@@ -1396,9 +1395,7 @@ static int nop_virtual_engine(struct drm_i915_private *i915,
 		}
 
 		for (nc = 0; nc < nctx; nc++) {
-			if (i915_request_wait(request[nc],
-					      I915_WAIT_LOCKED,
-					      HZ / 10) < 0) {
+			if (i915_request_wait(request[nc], 0, HZ / 10) < 0) {
 				pr_err("%s(%s): wait for %llx:%lld timed out\n",
 				       __func__, ve[0]->engine->name,
 				       request[nc]->fence.context,
@@ -1545,7 +1542,7 @@ static int mask_virtual_engine(struct drm_i915_private *i915,
 	}
 
 	for (n = 0; n < nsibling; n++) {
-		if (i915_request_wait(request[n], I915_WAIT_LOCKED, HZ / 10) < 0) {
+		if (i915_request_wait(request[n], 0, HZ / 10) < 0) {
 			pr_err("%s(%s): wait for %llx:%lld timed out\n",
 			       __func__, ve->engine->name,
 			       request[n]->fence.context,
@@ -1720,9 +1717,7 @@ static int bond_virtual_engine(struct drm_i915_private *i915,
 		}
 		onstack_fence_fini(&fence);
 
-		if (i915_request_wait(rq[0],
-				      I915_WAIT_LOCKED,
-				      HZ / 10) < 0) {
+		if (i915_request_wait(rq[0], 0, HZ / 10) < 0) {
 			pr_err("Master request did not execute (on %s)!\n",
 			       rq[0]->engine->name);
 			err = -EIO;
@@ -1730,8 +1725,7 @@ static int bond_virtual_engine(struct drm_i915_private *i915,
 		}
 
 		for (n = 0; n < nsibling; n++) {
-			if (i915_request_wait(rq[n + 1],
-					      I915_WAIT_LOCKED,
+			if (i915_request_wait(rq[n + 1], 0,
 					      MAX_SCHEDULE_TIMEOUT) < 0) {
 				err = -EIO;
 				goto out;

drivers/gpu/drm/i915/gt/selftest_workarounds.c

@@ -567,7 +567,7 @@ static int check_dirty_whitelist(struct i915_gem_context *ctx,
 		if (err)
 			goto out_batch;
 
-		if (i915_request_wait(rq, I915_WAIT_LOCKED, HZ / 5) < 0) {
+		if (i915_request_wait(rq, 0, HZ / 5) < 0) {
 			pr_err("%s: Futzing %x timedout; cancelling test\n",
 			       engine->name, reg);
 			i915_gem_set_wedged(ctx->i915);
@@ -769,7 +769,7 @@ static int read_whitelisted_registers(struct i915_gem_context *ctx,
 err_req:
 	i915_request_add(rq);
 
-	if (i915_request_wait(rq, I915_WAIT_LOCKED, HZ / 5) < 0)
+	if (i915_request_wait(rq, 0, HZ / 5) < 0)
 		err = -EIO;
 
 	return err;
@@ -825,7 +825,7 @@ static int scrub_whitelisted_registers(struct i915_gem_context *ctx,
 
 err_request:
 	i915_request_add(rq);
-	if (i915_request_wait(rq, I915_WAIT_LOCKED, HZ / 5) < 0)
+	if (i915_request_wait(rq, 0, HZ / 5) < 0)
 		err = -EIO;
 
 err_unpin:

drivers/gpu/drm/i915/i915_active.h

@@ -330,7 +330,7 @@ i915_active_request_retire(struct i915_active_request *active,
 		return 0;
 
 	ret = i915_request_wait(request,
-				I915_WAIT_INTERRUPTIBLE | I915_WAIT_LOCKED,
+				I915_WAIT_INTERRUPTIBLE,
 				MAX_SCHEDULE_TIMEOUT);
 	if (ret < 0)
 		return ret;

drivers/gpu/drm/i915/i915_request.c

@@ -1360,10 +1360,6 @@ static void request_wait_wake(struct dma_fence *fence, struct dma_fence_cb *cb)
  * maximum of @timeout jiffies (with MAX_SCHEDULE_TIMEOUT implying an
  * unbounded wait).
  *
- * If the caller holds the struct_mutex, the caller must pass I915_WAIT_LOCKED
- * in via the flags, and vice versa if the struct_mutex is not held, the caller
- * must not specify that the wait is locked.
- *
  * Returns the remaining time (in jiffies) if the request completed, which may
  * be zero or -ETIME if the request is unfinished after the timeout expires.
  * May return -EINTR is called with I915_WAIT_INTERRUPTIBLE and a signal is

drivers/gpu/drm/i915/i915_trace.h

@@ -863,10 +863,9 @@ TRACE_EVENT(i915_request_wait_begin,
 			   __entry->flags = flags;
 			   ),
 
-	    TP_printk("dev=%u, engine=%u:%u, hw_id=%u, ctx=%llu, seqno=%u, blocking=%u, flags=0x%x",
+	    TP_printk("dev=%u, engine=%u:%u, hw_id=%u, ctx=%llu, seqno=%u, flags=0x%x",
 		      __entry->dev, __entry->class, __entry->instance,
 		      __entry->hw_id, __entry->ctx, __entry->seqno,
-		      !!(__entry->flags & I915_WAIT_LOCKED),
 		      __entry->flags)
 );
 

drivers/gpu/drm/i915/selftests/i915_request.c

@@ -74,12 +74,12 @@ static int igt_wait_request(void *arg)
 		goto out_unlock;
 	}
 
-	if (i915_request_wait(request, I915_WAIT_LOCKED, 0) != -ETIME) {
+	if (i915_request_wait(request, 0, 0) != -ETIME) {
 		pr_err("request wait (busy query) succeeded (expected timeout before submit!)\n");
 		goto out_unlock;
 	}
 
-	if (i915_request_wait(request, I915_WAIT_LOCKED, T) != -ETIME) {
+	if (i915_request_wait(request, 0, T) != -ETIME) {
 		pr_err("request wait succeeded (expected timeout before submit!)\n");
 		goto out_unlock;
 	}
@@ -91,7 +91,7 @@ static int igt_wait_request(void *arg)
 
 	i915_request_add(request);
 
-	if (i915_request_wait(request, I915_WAIT_LOCKED, 0) != -ETIME) {
+	if (i915_request_wait(request, 0, 0) != -ETIME) {
 		pr_err("request wait (busy query) succeeded (expected timeout after submit!)\n");
 		goto out_unlock;
 	}
@@ -101,12 +101,12 @@ static int igt_wait_request(void *arg)
 		goto out_unlock;
 	}
 
-	if (i915_request_wait(request, I915_WAIT_LOCKED, T / 2) != -ETIME) {
+	if (i915_request_wait(request, 0, T / 2) != -ETIME) {
 		pr_err("request wait succeeded (expected timeout!)\n");
 		goto out_unlock;
 	}
 
-	if (i915_request_wait(request, I915_WAIT_LOCKED, T) == -ETIME) {
+	if (i915_request_wait(request, 0, T) == -ETIME) {
 		pr_err("request wait timed out!\n");
 		goto out_unlock;
 	}
@@ -116,7 +116,7 @@ static int igt_wait_request(void *arg)
 		goto out_unlock;
 	}
 
-	if (i915_request_wait(request, I915_WAIT_LOCKED, T) == -ETIME) {
+	if (i915_request_wait(request, 0, T) == -ETIME) {
 		pr_err("request wait timed out when already complete!\n");
 		goto out_unlock;
 	}
@@ -574,9 +574,7 @@ static int live_nop_request(void *arg)
 
 				i915_request_add(request);
 			}
-			i915_request_wait(request,
-					  I915_WAIT_LOCKED,
-					  MAX_SCHEDULE_TIMEOUT);
+			i915_request_wait(request, 0, MAX_SCHEDULE_TIMEOUT);
 
 			times[1] = ktime_sub(ktime_get_raw(), times[1]);
 			if (prime == 1)
@@ -706,9 +704,7 @@ static int live_empty_request(void *arg)
 			err = PTR_ERR(request);
 			goto out_batch;
 		}
-		i915_request_wait(request,
-				  I915_WAIT_LOCKED,
-				  MAX_SCHEDULE_TIMEOUT);
+		i915_request_wait(request, 0, MAX_SCHEDULE_TIMEOUT);
 
 		for_each_prime_number_from(prime, 1, 8192) {
 			times[1] = ktime_get_raw();
@@ -720,9 +716,7 @@ static int live_empty_request(void *arg)
 					goto out_batch;
 				}
 			}
-			i915_request_wait(request,
-					  I915_WAIT_LOCKED,
-					  MAX_SCHEDULE_TIMEOUT);
+			i915_request_wait(request, 0, MAX_SCHEDULE_TIMEOUT);
 
 			times[1] = ktime_sub(ktime_get_raw(), times[1]);
 			if (prime == 1)
@@ -895,8 +889,7 @@ static int live_all_engines(void *arg)
 	for_each_engine(engine, i915, id) {
 		long timeout;
 
-		timeout = i915_request_wait(request[id],
-					    I915_WAIT_LOCKED,
+		timeout = i915_request_wait(request[id], 0,
 					    MAX_SCHEDULE_TIMEOUT);
 		if (timeout < 0) {
 			err = timeout;
@@ -1013,8 +1006,7 @@ static int live_sequential_engines(void *arg)
 			goto out_request;
 		}
 
-		timeout = i915_request_wait(request[id],
-					    I915_WAIT_LOCKED,
+		timeout = i915_request_wait(request[id], 0,
 					    MAX_SCHEDULE_TIMEOUT);
 		if (timeout < 0) {
 			err = timeout;

drivers/gpu/drm/i915/selftests/i915_timeline.c

@@ -724,7 +724,7 @@ static int live_hwsp_wrap(void *arg)
 
 		i915_request_add(rq);
 
-		if (i915_request_wait(rq, I915_WAIT_LOCKED, HZ / 5) < 0) {
+		if (i915_request_wait(rq, 0, HZ / 5) < 0) {
 			pr_err("Wait for timeline writes timed out!\n");
 			err = -EIO;
 			goto out;
@@ -797,9 +797,7 @@ static int live_hwsp_recycle(void *arg)
 				goto out;
 			}
 
-			if (i915_request_wait(rq,
-					      I915_WAIT_LOCKED,
-					      HZ / 5) < 0) {
+			if (i915_request_wait(rq, 0, HZ / 5) < 0) {
 				pr_err("Wait for timeline writes timed out!\n");
 				i915_timeline_put(tl);
 				err = -EIO;