1 files changed, 90 insertions, 0 deletions
diff --git a/tests/panfrost_gem_new.c b/tests/panfrost_gem_new.c
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+++ b/tests/panfrost_gem_new.c
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+/*
+ * Copyright © 2016 Broadcom
+ * Copyright © 2019 Collabora, Ltd.
+ *
+ * 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 "igt.h"
+#include "igt_panfrost.h"
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include "panfrost_drm.h"
+
+igt_main
+{
+	int fd;
+
+	igt_fixture {
+		fd = drm_open_driver(DRIVER_PANFROST);
+	}
+
+	igt_subtest("gem-new-4096") {
+		struct panfrost_bo *bo = igt_panfrost_gem_new(fd, 4096);
+		igt_panfrost_free_bo(fd, bo);
+	}
+
+	igt_subtest("gem-new-0") {
+		struct drm_panfrost_create_bo arg = {
+			.size = 0,
+		};
+		do_ioctl_err(fd, DRM_IOCTL_PANFROST_CREATE_BO, &arg, EINVAL);
+	}
+
+	igt_subtest("gem-new-zeroed") {
+		int fd2 = drm_open_driver(DRIVER_PANFROST);
+		struct panfrost_bo *bo;
+		uint32_t *map;
+		/* A size different from any used in our other tests, to try
+		 * to convince it to land as the only one of its size in the
+		 * kernel BO cache
+		 */
+		size_t size = 3 * 4096, i;
+
+		/* Make a BO and free it on our main fd. */
+		bo = igt_panfrost_gem_new(fd, size);
+		map = igt_panfrost_mmap_bo(fd, bo->handle, size, PROT_READ | PROT_WRITE);
+		memset(map, 0xd0, size);
+		munmap(map, size);
+		igt_panfrost_free_bo(fd, bo);
+
+		/* Now, allocate a BO on the other fd and make sure it doesn't
+		 * have the old contents.
+		 */
+		bo = igt_panfrost_gem_new(fd2, size);
+		map = igt_panfrost_mmap_bo(fd2, bo->handle, size, PROT_READ | PROT_WRITE);
+		for (i = 0; i < size / 4; i++)
+			igt_assert_eq_u32(map[i], 0x0);
+		munmap(map, size);
+		igt_panfrost_free_bo(fd2, bo);
+
+		close(fd2);
+	}
+
+	igt_fixture
+		close(fd);
+}