1 files changed, 137 insertions, 0 deletions
diff --git a/tests/vc4_tiling.c b/tests/vc4_tiling.c
new file mode 100644
index 00000000..00c7c6b8
--- /dev/null
+++ b/tests/vc4_tiling.c
@@ -0,0 +1,137 @@
+/*
+ * Copyright © 2017 Broadcom
+ *
+ * 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_vc4.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 <poll.h>
+#include "vc4_drm.h"
+
+igt_main
+{
+	int fd;
+
+	igt_fixture
+		fd = drm_open_driver(DRIVER_VC4);
+
+	igt_subtest("get-bad-handle") {
+		struct drm_vc4_get_tiling get = {
+			.handle = 0xd0d0d0d0,
+		};
+		do_ioctl_err(fd, DRM_IOCTL_VC4_GET_TILING, &get, ENOENT);
+	}
+
+	igt_subtest("set-bad-handle") {
+		struct drm_vc4_set_tiling set = {
+			.handle = 0xd0d0d0d0,
+			.modifier = DRM_FORMAT_MOD_NONE,
+		};
+		do_ioctl_err(fd, DRM_IOCTL_VC4_SET_TILING, &set, ENOENT);
+	}
+
+	igt_subtest("get-bad-flags") {
+		int bo = igt_vc4_create_bo(fd, 4096);
+		struct drm_vc4_get_tiling get = {
+			.handle = bo,
+			.flags = 0xd0d0d0d0,
+		};
+		do_ioctl_err(fd, DRM_IOCTL_VC4_GET_TILING, &get, EINVAL);
+		gem_close(fd, bo);
+	}
+
+	igt_subtest("set-bad-flags") {
+		int bo = igt_vc4_create_bo(fd, 4096);
+		struct drm_vc4_set_tiling set = {
+			.handle = bo,
+			.flags = 0xd0d0d0d0,
+			.modifier = DRM_FORMAT_MOD_NONE,
+		};
+		do_ioctl_err(fd, DRM_IOCTL_VC4_SET_TILING, &set, EINVAL);
+		gem_close(fd, bo);
+	}
+
+	igt_subtest("get-bad-modifier") {
+		int bo = igt_vc4_create_bo(fd, 4096);
+		struct drm_vc4_get_tiling get = {
+			.handle = bo,
+			.modifier = 0xd0d0d0d0,
+		};
+		do_ioctl_err(fd, DRM_IOCTL_VC4_GET_TILING, &get, EINVAL);
+		gem_close(fd, bo);
+	}
+
+	igt_subtest("set-bad-modifier") {
+		int bo = igt_vc4_create_bo(fd, 4096);
+		struct drm_vc4_set_tiling set = {
+			.handle = bo,
+			.modifier = 0xd0d0d0d0,
+		};
+		do_ioctl_err(fd, DRM_IOCTL_VC4_SET_TILING, &set, EINVAL);
+		gem_close(fd, bo);
+	}
+
+	igt_subtest("set-get") {
+		int bo = igt_vc4_create_bo(fd, 4096);
+
+		/* Default is untiled. */
+		igt_assert(igt_vc4_get_tiling(fd, bo) == DRM_FORMAT_MOD_NONE);
+
+		/* Set to tiled and check. */
+		igt_vc4_set_tiling(fd, bo, DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED);
+		igt_assert(igt_vc4_get_tiling(fd, bo) ==
+			   DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED);
+
+		/* Set it back and check. */
+		igt_vc4_set_tiling(fd, bo, DRM_FORMAT_MOD_NONE);
+		igt_assert(igt_vc4_get_tiling(fd, bo) == DRM_FORMAT_MOD_NONE);
+
+		gem_close(fd, bo);
+	}
+
+	igt_subtest("get-after-free") {
+		/* Some size that probably nobody else is using, to
+		 * encourage getting the same BO back from the cache.
+		 */
+		int size = 91 * 4096;
+		int bo;
+
+		bo = igt_vc4_create_bo(fd, size);
+		igt_vc4_set_tiling(fd, bo, DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED);
+		gem_close(fd, bo);
+
+		bo = igt_vc4_create_bo(fd, size);
+		igt_assert(igt_vc4_get_tiling(fd, bo) == DRM_FORMAT_MOD_NONE);
+		gem_close(fd, bo);
+	}
+
+	igt_fixture
+		close(fd);
+}