100 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			100 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * SPDX-License-Identifier: MIT
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|  *
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|  * Copyright © 2016 Intel Corporation
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|  */
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| 
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| #include "i915_selftest.h"
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| 
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| #include "huge_gem_object.h"
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| #include "selftests/igt_flush_test.h"
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| #include "selftests/mock_gem_device.h"
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| 
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| static int igt_gem_object(void *arg)
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| {
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| 	struct drm_i915_private *i915 = arg;
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| 	struct drm_i915_gem_object *obj;
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| 	int err;
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| 
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| 	/* Basic test to ensure we can create an object */
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| 
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| 	obj = i915_gem_object_create_shmem(i915, PAGE_SIZE);
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| 	if (IS_ERR(obj)) {
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| 		err = PTR_ERR(obj);
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| 		pr_err("i915_gem_object_create failed, err=%d\n", err);
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| 		goto out;
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| 	}
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| 
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| 	err = 0;
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| 	i915_gem_object_put(obj);
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| out:
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| 	return err;
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| }
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| 
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| static int igt_gem_huge(void *arg)
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| {
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| 	const unsigned long nreal = 509; /* just to be awkward */
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| 	struct drm_i915_private *i915 = arg;
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| 	struct drm_i915_gem_object *obj;
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| 	unsigned long n;
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| 	int err;
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| 
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| 	/* Basic sanitycheck of our huge fake object allocation */
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| 
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| 	obj = huge_gem_object(i915,
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| 			      nreal * PAGE_SIZE,
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| 			      to_gt(i915)->ggtt->vm.total + PAGE_SIZE);
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| 	if (IS_ERR(obj))
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| 		return PTR_ERR(obj);
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| 
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| 	err = i915_gem_object_pin_pages_unlocked(obj);
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| 	if (err) {
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| 		pr_err("Failed to allocate %lu pages (%lu total), err=%d\n",
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| 		       nreal, obj->base.size / PAGE_SIZE, err);
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| 		goto out;
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| 	}
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| 
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| 	for (n = 0; n < obj->base.size / PAGE_SIZE; n++) {
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| 		if (i915_gem_object_get_page(obj, n) !=
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| 		    i915_gem_object_get_page(obj, n % nreal)) {
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| 			pr_err("Page lookup mismatch at index %lu [%lu]\n",
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| 			       n, n % nreal);
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| 			err = -EINVAL;
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| 			goto out_unpin;
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| 		}
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| 	}
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| 
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| out_unpin:
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| 	i915_gem_object_unpin_pages(obj);
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| out:
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| 	i915_gem_object_put(obj);
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| 	return err;
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| }
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| 
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| int i915_gem_object_mock_selftests(void)
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| {
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| 	static const struct i915_subtest tests[] = {
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| 		SUBTEST(igt_gem_object),
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| 	};
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| 	struct drm_i915_private *i915;
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| 	int err;
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| 
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| 	i915 = mock_gem_device();
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| 	if (!i915)
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| 		return -ENOMEM;
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| 
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| 	err = i915_subtests(tests, i915);
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| 
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| 	mock_destroy_device(i915);
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| 	return err;
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| }
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| 
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| int i915_gem_object_live_selftests(struct drm_i915_private *i915)
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| {
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| 	static const struct i915_subtest tests[] = {
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| 		SUBTEST(igt_gem_huge),
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| 	};
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| 
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| 	return i915_live_subtests(tests, i915);
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| }
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