sync code with last improvements from OpenBSD

lib/libdrm/tests/etnaviv/etnaviv_bo_cache_test.c

@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2016 Etnaviv Project
+ *
+ * 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.
+ *
+ * Authors:
+ *    Christian Gmeiner <christian.gmeiner@gmail.com>
+ */
+
+#undef NDEBUG
+#include <assert.h>
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "xf86drm.h"
+#include "etnaviv_drmif.h"
+#include "etnaviv_drm.h"
+
+static void test_cache(struct etna_device *dev)
+{
+	struct etna_bo *bo, *tmp;
+
+	/* allocate and free some bo's with same size - we must
+	 * get the same bo over and over. */
+	printf("testing bo cache ... ");
+
+	bo = tmp = etna_bo_new(dev, 0x100, ETNA_BO_UNCACHED);
+	assert(bo);
+	etna_bo_del(bo);
+
+	for (unsigned i = 0; i < 100; i++) {
+		tmp = etna_bo_new(dev, 0x100, ETNA_BO_UNCACHED);
+		etna_bo_del(tmp);
+		assert(tmp == bo);
+	}
+
+	printf("ok\n");
+}
+
+static void test_size_rounding(struct etna_device *dev)
+{
+	struct etna_bo *bo;
+
+	printf("testing size rounding ... ");
+
+	bo = etna_bo_new(dev, 15, ETNA_BO_UNCACHED);
+	assert(etna_bo_size(bo) == 4096);
+	etna_bo_del(bo);
+
+	bo = etna_bo_new(dev, 4096, ETNA_BO_UNCACHED);
+	assert(etna_bo_size(bo) == 4096);
+	etna_bo_del(bo);
+
+	bo = etna_bo_new(dev, 4100, ETNA_BO_UNCACHED);
+	assert(etna_bo_size(bo) == 8192);
+	etna_bo_del(bo);
+
+	printf("ok\n");
+}
+
+int main(int argc, char *argv[])
+{
+	struct etna_device *dev;
+
+	drmVersionPtr version;
+	int fd, ret = 0;
+
+	fd = open(argv[1], O_RDWR);
+	if (fd < 0)
+		return 1;
+
+	version = drmGetVersion(fd);
+	if (version) {
+		printf("Version: %d.%d.%d\n", version->version_major,
+		       version->version_minor, version->version_patchlevel);
+		printf("  Name: %s\n", version->name);
+		printf("  Date: %s\n", version->date);
+		printf("  Description: %s\n", version->desc);
+		drmFreeVersion(version);
+	}
+
+	dev = etna_device_new(fd);
+	if (!dev) {
+		ret = 2;
+		goto out;
+	}
+
+	test_cache(dev);
+	test_size_rounding(dev);
+
+	etna_device_del(dev);
+
+out:
+	close(fd);
+
+	return ret;
+}