1 files changed, 0 insertions, 272 deletions
diff --git a/drivers/gpu/drm/i915/selftests/mock_engine.c b/drivers/gpu/drm/i915/selftests/mock_engine.c
deleted file mode 100644
index d0c44c18db42..000000000000
--- a/drivers/gpu/drm/i915/selftests/mock_engine.c
+++ /dev/null
@@ -1,272 +0,0 @@
-/*
- * Copyright © 2016 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- *
- */
-
-#include "mock_engine.h"
-#include "mock_request.h"
-
-struct mock_ring {
-	struct intel_ring base;
-	struct i915_timeline timeline;
-};
-
-static struct mock_request *first_request(struct mock_engine *engine)
-{
-	return list_first_entry_or_null(&engine->hw_queue,
-					struct mock_request,
-					link);
-}
-
-static void advance(struct mock_engine *engine,
-		    struct mock_request *request)
-{
-	list_del_init(&request->link);
-	mock_seqno_advance(&engine->base, request->base.global_seqno);
-}
-
-static void hw_delay_complete(struct timer_list *t)
-{
-	struct mock_engine *engine = from_timer(engine, t, hw_delay);
-	struct mock_request *request;
-
-	spin_lock(&engine->hw_lock);
-
-	/* Timer fired, first request is complete */
-	request = first_request(engine);
-	if (request)
-		advance(engine, request);
-
-	/*
-	 * Also immediately signal any subsequent 0-delay requests, but
-	 * requeue the timer for the next delayed request.
-	 */
-	while ((request = first_request(engine))) {
-		if (request->delay) {
-			mod_timer(&engine->hw_delay, jiffies + request->delay);
-			break;
-		}
-
-		advance(engine, request);
-	}
-
-	spin_unlock(&engine->hw_lock);
-}
-
-static void mock_context_unpin(struct intel_context *ce)
-{
-	i915_gem_context_put(ce->gem_context);
-}
-
-static void mock_context_destroy(struct intel_context *ce)
-{
-	GEM_BUG_ON(ce->pin_count);
-}
-
-static const struct intel_context_ops mock_context_ops = {
-	.unpin = mock_context_unpin,
-	.destroy = mock_context_destroy,
-};
-
-static struct intel_context *
-mock_context_pin(struct intel_engine_cs *engine,
-		 struct i915_gem_context *ctx)
-{
-	struct intel_context *ce = to_intel_context(ctx, engine);
-
-	if (!ce->pin_count++) {
-		i915_gem_context_get(ctx);
-		ce->ring = engine->buffer;
-		ce->ops = &mock_context_ops;
-	}
-
-	return ce;
-}
-
-static int mock_request_alloc(struct i915_request *request)
-{
-	struct mock_request *mock = container_of(request, typeof(*mock), base);
-
-	INIT_LIST_HEAD(&mock->link);
-	mock->delay = 0;
-
-	return 0;
-}
-
-static int mock_emit_flush(struct i915_request *request,
-			   unsigned int flags)
-{
-	return 0;
-}
-
-static void mock_emit_breadcrumb(struct i915_request *request,
-				 u32 *flags)
-{
-}
-
-static void mock_submit_request(struct i915_request *request)
-{
-	struct mock_request *mock = container_of(request, typeof(*mock), base);
-	struct mock_engine *engine =
-		container_of(request->engine, typeof(*engine), base);
-
-	i915_request_submit(request);
-	GEM_BUG_ON(!request->global_seqno);
-
-	spin_lock_irq(&engine->hw_lock);
-	list_add_tail(&mock->link, &engine->hw_queue);
-	if (mock->link.prev == &engine->hw_queue) {
-		if (mock->delay)
-			mod_timer(&engine->hw_delay, jiffies + mock->delay);
-		else
-			advance(engine, mock);
-	}
-	spin_unlock_irq(&engine->hw_lock);
-}
-
-static struct intel_ring *mock_ring(struct intel_engine_cs *engine)
-{
-	const unsigned long sz = PAGE_SIZE / 2;
-	struct mock_ring *ring;
-
-	BUILD_BUG_ON(MIN_SPACE_FOR_ADD_REQUEST > sz);
-
-	ring = kzalloc(sizeof(*ring) + sz, GFP_KERNEL);
-	if (!ring)
-		return NULL;
-
-	i915_timeline_init(engine->i915, &ring->timeline, engine->name);
-
-	ring->base.size = sz;
-	ring->base.effective_size = sz;
-	ring->base.vaddr = (void *)(ring + 1);
-	ring->base.timeline = &ring->timeline;
-
-	INIT_LIST_HEAD(&ring->base.request_list);
-	intel_ring_update_space(&ring->base);
-
-	return &ring->base;
-}
-
-static void mock_ring_free(struct intel_ring *base)
-{
-	struct mock_ring *ring = container_of(base, typeof(*ring), base);
-
-	i915_timeline_fini(&ring->timeline);
-	kfree(ring);
-}
-
-struct intel_engine_cs *mock_engine(struct drm_i915_private *i915,
-				    const char *name,
-				    int id)
-{
-	struct mock_engine *engine;
-
-	GEM_BUG_ON(id >= I915_NUM_ENGINES);
-
-	engine = kzalloc(sizeof(*engine) + PAGE_SIZE, GFP_KERNEL);
-	if (!engine)
-		return NULL;
-
-	/* minimal engine setup for requests */
-	engine->base.i915 = i915;
-	snprintf(engine->base.name, sizeof(engine->base.name), "%s", name);
-	engine->base.id = id;
-	engine->base.status_page.page_addr = (void *)(engine + 1);
-
-	engine->base.context_pin = mock_context_pin;
-	engine->base.request_alloc = mock_request_alloc;
-	engine->base.emit_flush = mock_emit_flush;
-	engine->base.emit_breadcrumb = mock_emit_breadcrumb;
-	engine->base.submit_request = mock_submit_request;
-
-	i915_timeline_init(i915, &engine->base.timeline, engine->base.name);
-	i915_timeline_set_subclass(&engine->base.timeline, TIMELINE_ENGINE);
-
-	intel_engine_init_breadcrumbs(&engine->base);
-	engine->base.breadcrumbs.mock = true; /* prevent touching HW for irqs */
-
-	/* fake hw queue */
-	spin_lock_init(&engine->hw_lock);
-	timer_setup(&engine->hw_delay, hw_delay_complete, 0);
-	INIT_LIST_HEAD(&engine->hw_queue);
-
-	engine->base.buffer = mock_ring(&engine->base);
-	if (!engine->base.buffer)
-		goto err_breadcrumbs;
-
-	if (IS_ERR(intel_context_pin(i915->kernel_context, &engine->base)))
-		goto err_ring;
-
-	return &engine->base;
-
-err_ring:
-	mock_ring_free(engine->base.buffer);
-err_breadcrumbs:
-	intel_engine_fini_breadcrumbs(&engine->base);
-	i915_timeline_fini(&engine->base.timeline);
-	kfree(engine);
-	return NULL;
-}
-
-void mock_engine_flush(struct intel_engine_cs *engine)
-{
-	struct mock_engine *mock =
-		container_of(engine, typeof(*mock), base);
-	struct mock_request *request, *rn;
-
-	del_timer_sync(&mock->hw_delay);
-
-	spin_lock_irq(&mock->hw_lock);
-	list_for_each_entry_safe(request, rn, &mock->hw_queue, link) {
-		list_del_init(&request->link);
-		mock_seqno_advance(&mock->base, request->base.global_seqno);
-	}
-	spin_unlock_irq(&mock->hw_lock);
-}
-
-void mock_engine_reset(struct intel_engine_cs *engine)
-{
-	intel_write_status_page(engine, I915_GEM_HWS_INDEX, 0);
-}
-
-void mock_engine_free(struct intel_engine_cs *engine)
-{
-	struct mock_engine *mock =
-		container_of(engine, typeof(*mock), base);
-	struct intel_context *ce;
-
-	GEM_BUG_ON(timer_pending(&mock->hw_delay));
-
-	ce = fetch_and_zero(&engine->last_retired_context);
-	if (ce)
-		intel_context_unpin(ce);
-
-	__intel_context_unpin(engine->i915->kernel_context, engine);
-
-	mock_ring_free(engine->buffer);
-
-	intel_engine_fini_breadcrumbs(engine);
-	i915_timeline_fini(&engine->timeline);
-
-	kfree(engine);
-}