X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fgpu%2Fdrm%2Fi915%2Fgem%2Fselftests%2Fi915_gem_dmabuf.c;h=2a52b92586b9f049fd73ac8c90bea59cdeeeb904;hb=64147c092e4f1ce8f72b0586078f251e4f9d84ec;hp=d85d1ce273ca873f1c8fff45cff8e8e195cb1541;hpb=baff384b0e90132be4b623a9406ba84a987ed036;p=linux.git

diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c
index d85d1ce273ca..2a52b92586b9 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c
@@ -254,106 +254,6 @@ static int igt_dmabuf_export_vmap(void *arg)
 	return err;
 }
 
-static int igt_dmabuf_export_kmap(void *arg)
-{
-	struct drm_i915_private *i915 = arg;
-	struct drm_i915_gem_object *obj;
-	struct dma_buf *dmabuf;
-	void *ptr;
-	int err;
-
-	obj = i915_gem_object_create_shmem(i915, 2 * PAGE_SIZE);
-	if (IS_ERR(obj))
-		return PTR_ERR(obj);
-
-	dmabuf = i915_gem_prime_export(&obj->base, 0);
-	i915_gem_object_put(obj);
-	if (IS_ERR(dmabuf)) {
-		err = PTR_ERR(dmabuf);
-		pr_err("i915_gem_prime_export failed with err=%d\n", err);
-		return err;
-	}
-
-	ptr = dma_buf_kmap(dmabuf, 0);
-	if (!ptr) {
-		pr_err("dma_buf_kmap failed\n");
-		err = -ENOMEM;
-		goto err;
-	}
-
-	if (memchr_inv(ptr, 0, PAGE_SIZE)) {
-		dma_buf_kunmap(dmabuf, 0, ptr);
-		pr_err("Exported page[0] not initialiased to zero!\n");
-		err = -EINVAL;
-		goto err;
-	}
-
-	memset(ptr, 0xc5, PAGE_SIZE);
-	dma_buf_kunmap(dmabuf, 0, ptr);
-
-	ptr = i915_gem_object_pin_map(obj, I915_MAP_WB);
-	if (IS_ERR(ptr)) {
-		err = PTR_ERR(ptr);
-		pr_err("i915_gem_object_pin_map failed with err=%d\n", err);
-		goto err;
-	}
-	memset(ptr + PAGE_SIZE, 0xaa, PAGE_SIZE);
-	i915_gem_object_flush_map(obj);
-	i915_gem_object_unpin_map(obj);
-
-	ptr = dma_buf_kmap(dmabuf, 1);
-	if (!ptr) {
-		pr_err("dma_buf_kmap failed\n");
-		err = -ENOMEM;
-		goto err;
-	}
-
-	if (memchr_inv(ptr, 0xaa, PAGE_SIZE)) {
-		dma_buf_kunmap(dmabuf, 1, ptr);
-		pr_err("Exported page[1] not set to 0xaa!\n");
-		err = -EINVAL;
-		goto err;
-	}
-
-	memset(ptr, 0xc5, PAGE_SIZE);
-	dma_buf_kunmap(dmabuf, 1, ptr);
-
-	ptr = dma_buf_kmap(dmabuf, 0);
-	if (!ptr) {
-		pr_err("dma_buf_kmap failed\n");
-		err = -ENOMEM;
-		goto err;
-	}
-	if (memchr_inv(ptr, 0xc5, PAGE_SIZE)) {
-		dma_buf_kunmap(dmabuf, 0, ptr);
-		pr_err("Exported page[0] did not retain 0xc5!\n");
-		err = -EINVAL;
-		goto err;
-	}
-	dma_buf_kunmap(dmabuf, 0, ptr);
-
-	ptr = dma_buf_kmap(dmabuf, 2);
-	if (ptr) {
-		pr_err("Erroneously kmapped beyond the end of the object!\n");
-		dma_buf_kunmap(dmabuf, 2, ptr);
-		err = -EINVAL;
-		goto err;
-	}
-
-	ptr = dma_buf_kmap(dmabuf, -1);
-	if (ptr) {
-		pr_err("Erroneously kmapped before the start of the object!\n");
-		dma_buf_kunmap(dmabuf, -1, ptr);
-		err = -EINVAL;
-		goto err;
-	}
-
-	err = 0;
-err:
-	dma_buf_put(dmabuf);
-	return err;
-}
-
 int i915_gem_dmabuf_mock_selftests(void)
 {
 	static const struct i915_subtest tests[] = {
@@ -362,7 +262,6 @@ int i915_gem_dmabuf_mock_selftests(void)
 		SUBTEST(igt_dmabuf_import),
 		SUBTEST(igt_dmabuf_import_ownership),
 		SUBTEST(igt_dmabuf_export_vmap),
-		SUBTEST(igt_dmabuf_export_kmap),
 	};
 	struct drm_i915_private *i915;
 	int err;