Adding upstream version 2.4.120.upstream/2.4.120

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4 files changed, 1614 insertions, 0 deletions

diff --git a/tests/exynos/exynos_fimg2d_event.c b/tests/exynos/exynos_fimg2d_event.c
new file mode 100644
index 0000000..353e087
--- /dev/null
+++ b/tests/exynos/exynos_fimg2d_event.c
@@ -0,0 +1,333 @@
+/*
+ * Copyright (C) 2015 - Tobias Jakobi
+ *
+ * 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
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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 <unistd.h>
+#include <poll.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+#include <getopt.h>
+
+#include <pthread.h>
+
+#include <xf86drm.h>
+
+#include "exynos_drm.h"
+#include "exynos_drmif.h"
+#include "exynos_fimg2d.h"
+
+struct g2d_job {
+	unsigned int id;
+	unsigned int busy;
+};
+
+struct exynos_evhandler {
+	struct pollfd fds;
+	struct exynos_event_context evctx;
+};
+
+struct threaddata {
+	unsigned int stop;
+	struct exynos_device *dev;
+	struct exynos_evhandler evhandler;
+};
+
+static void g2d_event_handler(int fd, unsigned int cmdlist_no, unsigned int tv_sec,
+							unsigned int tv_usec, void *user_data)
+{
+	struct g2d_job *job = user_data;
+
+	fprintf(stderr, "info: g2d job (id = %u, cmdlist number = %u) finished!\n",
+			job->id, cmdlist_no);
+
+	job->busy = 0;
+}
+
+static void setup_g2d_event_handler(struct exynos_evhandler *evhandler, int fd)
+{
+	evhandler->fds.fd = fd;
+	evhandler->fds.events = POLLIN;
+	evhandler->evctx.base.version = 2;
+	evhandler->evctx.version = 1;
+	evhandler->evctx.g2d_event_handler = g2d_event_handler;
+}
+
+static void* threadfunc(void *arg) {
+	const int timeout = 0;
+	struct threaddata *data;
+
+	data = arg;
+
+	while (1) {
+		if (data->stop) break;
+
+		usleep(500);
+
+		data->evhandler.fds.revents = 0;
+
+		if (poll(&data->evhandler.fds, 1, timeout) < 0)
+			continue;
+
+		if (data->evhandler.fds.revents & (POLLHUP | POLLERR))
+			continue;
+
+		if (data->evhandler.fds.revents & POLLIN)
+			exynos_handle_event(data->dev, &data->evhandler.evctx);
+	}
+
+	pthread_exit(0);
+}
+
+/*
+ * We need to wait until all G2D jobs are finished, otherwise we
+ * potentially remove a BO which the engine still operates on.
+ * This results in the following kernel message:
+ * [drm:exynos_drm_gem_put_dma_addr] *ERROR* failed to lookup gem object.
+ * Also any subsequent BO allocations fail then with:
+ * [drm:exynos_drm_alloc_buf] *ERROR* failed to allocate buffer.
+ */
+static void wait_all_jobs(struct g2d_job* jobs, unsigned num_jobs)
+{
+	unsigned i;
+
+	for (i = 0; i < num_jobs; ++i) {
+		while (jobs[i].busy)
+			usleep(500);
+	}
+
+}
+
+static struct g2d_job* free_job(struct g2d_job* jobs, unsigned num_jobs)
+{
+	unsigned i;
+
+	for (i = 0; i < num_jobs; ++i) {
+		if (jobs[i].busy == 0)
+			return &jobs[i];
+	}
+
+	return NULL;
+}
+
+static int g2d_work(struct g2d_context *ctx, struct g2d_image *img,
+					unsigned num_jobs, unsigned iterations)
+{
+	struct g2d_job *jobs = calloc(num_jobs, sizeof(struct g2d_job));
+	int ret;
+	unsigned i;
+
+	/* setup job ids */
+	for (i = 0; i < num_jobs; ++i)
+		jobs[i].id = i;
+
+	for (i = 0; i < iterations; ++i) {
+		unsigned x, y, w, h;
+
+		struct g2d_job *j = NULL;
+
+		while (1) {
+			j = free_job(jobs, num_jobs);
+
+			if (j)
+				break;
+			else
+				usleep(500);
+		}
+
+		x = rand() % img->width;
+		y = rand() % img->height;
+
+		if (x == (img->width - 1))
+			x -= 1;
+		if (y == (img->height - 1))
+			y -= 1;
+
+		w = rand() % (img->width - x);
+		h = rand() % (img->height - y);
+
+		if (w == 0) w = 1;
+		if (h == 0) h = 1;
+
+		img->color = rand();
+
+		j->busy = 1;
+		g2d_config_event(ctx, j);
+
+		ret = g2d_solid_fill(ctx, img, x, y, w, h);
+
+		if (ret == 0)
+			g2d_exec(ctx);
+
+		if (ret != 0) {
+			fprintf(stderr, "error: iteration %u (x = %u, x = %u, x = %u, x = %u) failed\n",
+					i, x, y, w, h);
+			break;
+		}
+	}
+
+	wait_all_jobs(jobs, num_jobs);
+	free(jobs);
+
+	return 0;
+}
+
+static void usage(const char *name)
+{
+	fprintf(stderr, "usage: %s [-ijwh]\n\n", name);
+
+	fprintf(stderr, "\t-i <number of iterations>\n");
+	fprintf(stderr, "\t-j <number of G2D jobs> (default = 4)\n\n");
+
+	fprintf(stderr, "\t-w <buffer width> (default = 4096)\n");
+	fprintf(stderr, "\t-h <buffer height> (default = 4096)\n");
+
+	exit(0);
+}
+
+int main(int argc, char **argv)
+{
+	int fd, ret, c, parsefail;
+
+	pthread_t event_thread;
+	struct threaddata event_data = {0};
+
+	struct exynos_device *dev;
+	struct g2d_context *ctx;
+	struct exynos_bo *bo;
+
+	struct g2d_image img = {0};
+
+	unsigned int iters = 0, njobs = 4;
+	unsigned int bufw = 4096, bufh = 4096;
+
+	ret = 0;
+	parsefail = 0;
+
+	while ((c = getopt(argc, argv, "i:j:w:h:")) != -1) {
+		switch (c) {
+		case 'i':
+			if (sscanf(optarg, "%u", &iters) != 1)
+				parsefail = 1;
+			break;
+		case 'j':
+			if (sscanf(optarg, "%u", &njobs) != 1)
+				parsefail = 1;
+			break;
+		case 'w':
+			if (sscanf(optarg, "%u", &bufw) != 1)
+				parsefail = 1;
+			break;
+		case 'h':
+			if (sscanf(optarg, "%u", &bufh) != 1)
+				parsefail = 1;
+			break;
+		default:
+			parsefail = 1;
+			break;
+		}
+	}
+
+	if (parsefail || (argc == 1) || (iters == 0))
+		usage(argv[0]);
+
+	if (bufw > 4096 || bufh > 4096) {
+		fprintf(stderr, "error: buffer width/height should be less than 4096.\n");
+		ret = -1;
+
+		goto out;
+	}
+
+	if (bufw == 0 || bufh == 0) {
+		fprintf(stderr, "error: buffer width/height should be non-zero.\n");
+		ret = -1;
+
+		goto out;
+	}
+
+	fd = drmOpen("exynos", NULL);
+	if (fd < 0) {
+		fprintf(stderr, "error: failed to open drm\n");
+		ret = -1;
+
+		goto out;
+	}
+
+	dev = exynos_device_create(fd);
+	if (dev == NULL) {
+		fprintf(stderr, "error: failed to create device\n");
+		ret = -2;
+
+		goto fail;
+	}
+
+	ctx = g2d_init(fd);
+	if (ctx == NULL) {
+		fprintf(stderr, "error: failed to init G2D\n");
+		ret = -3;
+
+		goto g2d_fail;
+	}
+
+	bo = exynos_bo_create(dev, bufw * bufh * 4, 0);
+	if (bo == NULL) {
+		fprintf(stderr, "error: failed to create bo\n");
+		ret = -4;
+
+		goto bo_fail;
+	}
+
+	/* setup g2d image object */
+	img.width = bufw;
+	img.height = bufh;
+	img.stride = bufw * 4;
+	img.color_mode = G2D_COLOR_FMT_ARGB8888 | G2D_ORDER_AXRGB;
+	img.buf_type = G2D_IMGBUF_GEM;
+	img.bo[0] = bo->handle;
+
+	event_data.dev = dev;
+	setup_g2d_event_handler(&event_data.evhandler, fd);
+
+	pthread_create(&event_thread, NULL, threadfunc, &event_data);
+
+	ret = g2d_work(ctx, &img, njobs, iters);
+	if (ret != 0)
+		fprintf(stderr, "error: g2d_work failed\n");
+
+	event_data.stop = 1;
+	pthread_join(event_thread, NULL);
+
+	exynos_bo_destroy(bo);
+
+bo_fail:
+	g2d_fini(ctx);
+
+g2d_fail:
+	exynos_device_destroy(dev);
+
+fail:
+	drmClose(fd);
+
+out:
+	return ret;
+}
diff --git a/tests/exynos/exynos_fimg2d_perf.c b/tests/exynos/exynos_fimg2d_perf.c
new file mode 100644
index 0000000..97691a7
--- /dev/null
+++ b/tests/exynos/exynos_fimg2d_perf.c
@@ -0,0 +1,327 @@
+/*
+ * Copyright (C) 2015 - Tobias Jakobi
+ *
+ * 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
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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 <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+#include <getopt.h>
+#include <errno.h>
+
+#include <xf86drm.h>
+
+#include "exynos_drm.h"
+#include "exynos_drmif.h"
+#include "exynos_fimg2d.h"
+
+static int output_mathematica = 0;
+
+static int fimg2d_perf_simple(struct exynos_bo *bo, struct g2d_context *ctx,
+			unsigned buf_width, unsigned buf_height, unsigned iterations)
+{
+	struct timespec tspec = { 0 };
+	struct g2d_image img = { 0 };
+
+	unsigned long long g2d_time;
+	unsigned i;
+	int ret = 0;
+
+	img.width = buf_width;
+	img.height = buf_height;
+	img.stride = buf_width * 4;
+	img.color_mode = G2D_COLOR_FMT_ARGB8888 | G2D_ORDER_AXRGB;
+	img.buf_type = G2D_IMGBUF_GEM;
+	img.bo[0] = bo->handle;
+
+	srand(time(NULL));
+
+	printf("starting simple G2D performance test\n");
+	printf("buffer width = %u, buffer height = %u, iterations = %u\n",
+		buf_width, buf_height, iterations);
+
+	if (output_mathematica)
+		putchar('{');
+
+	for (i = 0; i < iterations; ++i) {
+		unsigned x, y, w, h;
+
+		x = rand() % buf_width;
+		y = rand() % buf_height;
+
+		if (x == (buf_width - 1))
+			x -= 1;
+		if (y == (buf_height - 1))
+			y -= 1;
+
+		w = rand() % (buf_width - x);
+		h = rand() % (buf_height - y);
+
+		if (w == 0) w = 1;
+		if (h == 0) h = 1;
+
+		img.color = rand();
+
+		ret = g2d_solid_fill(ctx, &img, x, y, w, h);
+
+		clock_gettime(CLOCK_MONOTONIC, &tspec);
+
+		if (ret == 0)
+			ret = g2d_exec(ctx);
+
+		if (ret != 0) {
+			fprintf(stderr, "error: iteration %u failed (x = %u, y = %u, w = %u, h = %u)\n",
+				i, x, y, w, h);
+			break;
+		} else {
+			struct timespec end = { 0 };
+			clock_gettime(CLOCK_MONOTONIC, &end);
+
+			g2d_time = (end.tv_sec - tspec.tv_sec) * 1000000000ULL;
+			g2d_time += (end.tv_nsec - tspec.tv_nsec);
+
+			if (output_mathematica) {
+				if (i != 0) putchar(',');
+				printf("{%u,%llu}", w * h, g2d_time);
+			} else {
+				printf("num_pixels = %u, usecs = %llu\n", w * h, g2d_time);
+			}
+		}
+	}
+
+	if (output_mathematica)
+		printf("}\n");
+
+	return ret;
+}
+
+static int fimg2d_perf_multi(struct exynos_bo *bo, struct g2d_context *ctx,
+			unsigned buf_width, unsigned buf_height, unsigned iterations, unsigned batch)
+{
+	struct timespec tspec = { 0 };
+	struct g2d_image *images;
+
+	unsigned long long g2d_time;
+	unsigned i, j;
+	int ret = 0;
+
+	images = calloc(batch, sizeof(struct g2d_image));
+	if (images == NULL) {
+		fprintf(stderr, "error: failed to allocate G2D images.\n");
+		return -ENOMEM;
+	}
+
+	for (i = 0; i < batch; ++i) {
+		images[i].width = buf_width;
+		images[i].height = buf_height;
+		images[i].stride = buf_width * 4;
+		images[i].color_mode = G2D_COLOR_FMT_ARGB8888 | G2D_ORDER_AXRGB;
+		images[i].buf_type = G2D_IMGBUF_GEM;
+		images[i].bo[0] = bo->handle;
+	}
+
+	srand(time(NULL));
+
+	printf("starting multi G2D performance test (batch size = %u)\n", batch);
+	printf("buffer width = %u, buffer height = %u, iterations = %u\n",
+		buf_width, buf_height, iterations);
+
+	if (output_mathematica)
+		putchar('{');
+
+	for (i = 0; i < iterations; ++i) {
+		unsigned num_pixels = 0;
+
+		for (j = 0; j < batch; ++j) {
+			unsigned x, y, w, h;
+
+			x = rand() % buf_width;
+			y = rand() % buf_height;
+
+			if (x == (buf_width - 1))
+				x -= 1;
+			if (y == (buf_height - 1))
+				y -= 1;
+
+			w = rand() % (buf_width - x);
+			h = rand() % (buf_height - y);
+
+			if (w == 0) w = 1;
+			if (h == 0) h = 1;
+
+			images[j].color = rand();
+
+			num_pixels += w * h;
+
+			ret = g2d_solid_fill(ctx, &images[j], x, y, w, h);
+			if (ret != 0)
+				break;
+		}
+
+		clock_gettime(CLOCK_MONOTONIC, &tspec);
+
+		if (ret == 0)
+			ret = g2d_exec(ctx);
+
+		if (ret != 0) {
+			fprintf(stderr, "error: iteration %u failed (num_pixels = %u)\n", i, num_pixels);
+			break;
+		} else {
+			struct timespec end = { 0 };
+			clock_gettime(CLOCK_MONOTONIC, &end);
+
+			g2d_time = (end.tv_sec - tspec.tv_sec) * 1000000000ULL;
+			g2d_time += (end.tv_nsec - tspec.tv_nsec);
+
+			if (output_mathematica) {
+				if (i != 0) putchar(',');
+				printf("{%u,%llu}", num_pixels, g2d_time);
+			} else {
+				printf("num_pixels = %u, usecs = %llu\n", num_pixels, g2d_time);
+			}
+		}
+	}
+
+	if (output_mathematica)
+		printf("}\n");
+
+	free(images);
+
+	return ret;
+}
+
+static void usage(const char *name)
+{
+	fprintf(stderr, "usage: %s [-ibwh]\n\n", name);
+
+	fprintf(stderr, "\t-i <number of iterations>\n");
+	fprintf(stderr, "\t-b <size of a batch> (default = 3)\n\n");
+
+	fprintf(stderr, "\t-w <buffer width> (default = 4096)\n");
+	fprintf(stderr, "\t-h <buffer height> (default = 4096)\n\n");
+
+	fprintf(stderr, "\t-M <enable Mathematica styled output>\n");
+
+	exit(0);
+}
+
+int main(int argc, char **argv)
+{
+	int fd, ret, c, parsefail;
+
+	struct exynos_device *dev;
+	struct g2d_context *ctx;
+	struct exynos_bo *bo;
+
+	unsigned int iters = 0, batch = 3;
+	unsigned int bufw = 4096, bufh = 4096;
+
+	ret = 0;
+	parsefail = 0;
+
+	while ((c = getopt(argc, argv, "i:b:w:h:M")) != -1) {
+		switch (c) {
+		case 'i':
+			if (sscanf(optarg, "%u", &iters) != 1)
+				parsefail = 1;
+			break;
+		case 'b':
+			if (sscanf(optarg, "%u", &batch) != 1)
+				parsefail = 1;
+			break;
+		case 'w':
+			if (sscanf(optarg, "%u", &bufw) != 1)
+				parsefail = 1;
+			break;
+		case 'h':
+			if (sscanf(optarg, "%u", &bufh) != 1)
+				parsefail = 1;
+			break;
+		case 'M':
+			output_mathematica = 1;
+			break;
+		default:
+			parsefail = 1;
+			break;
+		}
+	}
+
+	if (parsefail || (argc == 1) || (iters == 0))
+		usage(argv[0]);
+
+	if (bufw < 2 || bufw > 4096 || bufh < 2 || bufh > 4096) {
+		fprintf(stderr, "error: buffer width/height should be in the range 2 to 4096.\n");
+		ret = -1;
+
+		goto out;
+	}
+
+	fd = drmOpen("exynos", NULL);
+	if (fd < 0) {
+		fprintf(stderr, "error: failed to open drm\n");
+		ret = -1;
+
+		goto out;
+	}
+
+	dev = exynos_device_create(fd);
+	if (dev == NULL) {
+		fprintf(stderr, "error: failed to create device\n");
+		ret = -2;
+
+		goto fail;
+	}
+
+	ctx = g2d_init(fd);
+	if (ctx == NULL) {
+		fprintf(stderr, "error: failed to init G2D\n");
+		ret = -3;
+
+		goto g2d_fail;
+	}
+
+	bo = exynos_bo_create(dev, bufw * bufh * 4, 0);
+	if (bo == NULL) {
+		fprintf(stderr, "error: failed to create bo\n");
+		ret = -4;
+
+		goto bo_fail;
+	}
+
+	ret = fimg2d_perf_simple(bo, ctx, bufw, bufh, iters);
+
+	if (ret == 0)
+		ret = fimg2d_perf_multi(bo, ctx, bufw, bufh, iters, batch);
+
+	exynos_bo_destroy(bo);
+
+bo_fail:
+	g2d_fini(ctx);
+
+g2d_fail:
+	exynos_device_destroy(dev);
+
+fail:
+	drmClose(fd);
+
+out:
+	return ret;
+}
diff --git a/tests/exynos/exynos_fimg2d_test.c b/tests/exynos/exynos_fimg2d_test.c
new file mode 100644
index 0000000..d85e2f6
--- /dev/null
+++ b/tests/exynos/exynos_fimg2d_test.c
@@ -0,0 +1,903 @@
+/*
+ * Copyright (C) 2013 Samsung Electronics Co.Ltd
+ * Authors:
+ *	Inki Dae <inki.dae@samsung.com>
+ *
+ * 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
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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 <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <sys/mman.h>
+#include <linux/stddef.h>
+
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+#include <drm_fourcc.h>
+
+#include "exynos_drm.h"
+#include "exynos_drmif.h"
+#include "exynos_fimg2d.h"
+
+#define DRM_MODULE_NAME		"exynos"
+
+static unsigned int screen_width, screen_height;
+
+struct connector {
+	uint32_t id;
+	char mode_str[64];
+	drmModeModeInfo *mode;
+	drmModeEncoder *encoder;
+	int crtc;
+};
+
+static void connector_find_mode(int fd, struct connector *c,
+				drmModeRes *resources)
+{
+	drmModeConnector *connector;
+	int i, j;
+
+	/* First, find the connector & mode */
+	c->mode = NULL;
+	for (i = 0; i < resources->count_connectors; i++) {
+		connector = drmModeGetConnector(fd, resources->connectors[i]);
+
+		if (!connector) {
+			fprintf(stderr, "could not get connector %i: %s\n",
+				resources->connectors[i], strerror(errno));
+			continue;
+		}
+
+		if (!connector->count_modes) {
+			drmModeFreeConnector(connector);
+			continue;
+		}
+
+		if (connector->connector_id != c->id) {
+			drmModeFreeConnector(connector);
+			continue;
+		}
+
+		for (j = 0; j < connector->count_modes; j++) {
+			c->mode = &connector->modes[j];
+			if (!strcmp(c->mode->name, c->mode_str))
+				break;
+		}
+
+		/* Found it, break out */
+		if (c->mode)
+			break;
+
+		drmModeFreeConnector(connector);
+	}
+
+	if (!c->mode) {
+		fprintf(stderr, "failed to find mode \"%s\"\n", c->mode_str);
+		return;
+	}
+
+	/* Now get the encoder */
+	for (i = 0; i < resources->count_encoders; i++) {
+		c->encoder = drmModeGetEncoder(fd, resources->encoders[i]);
+
+		if (!c->encoder) {
+			fprintf(stderr, "could not get encoder %i: %s\n",
+				resources->encoders[i], strerror(errno));
+			continue;
+		}
+
+		if (c->encoder->encoder_id  == connector->encoder_id)
+			break;
+
+		drmModeFreeEncoder(c->encoder);
+	}
+
+	if (c->crtc == -1)
+		c->crtc = c->encoder->crtc_id;
+}
+
+static int drm_set_crtc(struct exynos_device *dev, struct connector *c,
+			unsigned int fb_id)
+{
+	int ret;
+
+	ret = drmModeSetCrtc(dev->fd, c->crtc,
+			fb_id, 0, 0, &c->id, 1, c->mode);
+	if (ret)
+		drmMsg("failed to set mode: %s\n", strerror(errno));
+
+	return ret;
+}
+
+static struct exynos_bo *exynos_create_buffer(struct exynos_device *dev,
+						unsigned long size,
+						unsigned int flags)
+{
+	struct exynos_bo *bo;
+
+	bo = exynos_bo_create(dev, size, flags);
+	if (!bo)
+		return bo;
+
+	if (!exynos_bo_map(bo)) {
+		exynos_bo_destroy(bo);
+		return NULL;
+	}
+
+	return bo;
+}
+
+/* Allocate buffer and fill it with checkerboard pattern, where the tiles *
+ * have a random color. The caller has to free the buffer.                */
+static void *create_checkerboard_pattern(unsigned int num_tiles_x,
+						unsigned int num_tiles_y, unsigned int tile_size)
+{
+	unsigned int *buf;
+	unsigned int x, y, i, j;
+	const unsigned int stride = num_tiles_x * tile_size;
+
+	if (posix_memalign((void*)&buf, 64, num_tiles_y * tile_size * stride * 4) != 0)
+		return NULL;
+
+	for (x = 0; x < num_tiles_x; ++x) {
+		for (y = 0; y < num_tiles_y; ++y) {
+			const unsigned int color = 0xff000000 + (random() & 0xffffff);
+
+			for (i = 0; i < tile_size; ++i) {
+				for (j = 0; j < tile_size; ++j) {
+					buf[x * tile_size + y * stride * tile_size + i + j * stride] = color;
+				}
+			}
+		}
+	}
+
+	return buf;
+}
+
+static void exynos_destroy_buffer(struct exynos_bo *bo)
+{
+	exynos_bo_destroy(bo);
+}
+
+static void wait_for_user_input(int last)
+{
+	printf("press <ENTER> to %s\n", last ? "exit test application" :
+			"skip to next test");
+
+	getchar();
+}
+
+static int g2d_solid_fill_test(struct exynos_device *dev, struct exynos_bo *dst)
+{
+	struct g2d_context *ctx;
+	struct g2d_image img = {0};
+	unsigned int count, img_w, img_h;
+	int ret = 0;
+
+	ctx = g2d_init(dev->fd);
+	if (!ctx)
+		return -EFAULT;
+
+	img.bo[0] = dst->handle;
+
+	printf("solid fill test.\n");
+
+	srand(time(NULL));
+	img_w = screen_width;
+	img_h = screen_height;
+
+	for (count = 0; count < 2; count++) {
+		unsigned int x, y, w, h;
+
+		x = rand() % (img_w / 2);
+		y = rand() % (img_h / 2);
+		w = rand() % (img_w - x);
+		h = rand() % (img_h - y);
+
+		img.width = img_w;
+		img.height = img_h;
+		img.stride = img.width * 4;
+		img.color_mode = G2D_COLOR_FMT_ARGB8888 | G2D_ORDER_AXRGB;
+		img.color = 0xff000000 + (random() & 0xffffff);
+
+		ret = g2d_solid_fill(ctx, &img, x, y, w, h);
+		if (ret < 0)
+			goto err_fini;
+
+		ret = g2d_exec(ctx);
+		if (ret < 0)
+			break;
+	}
+
+err_fini:
+	g2d_fini(ctx);
+
+	return ret;
+}
+
+static int g2d_copy_test(struct exynos_device *dev, struct exynos_bo *src,
+				struct exynos_bo *dst,
+				enum e_g2d_buf_type type)
+{
+	struct g2d_context *ctx;
+	struct g2d_image src_img = {0}, dst_img = {0};
+	unsigned int src_x, src_y, dst_x, dst_y, img_w, img_h;
+	unsigned long userptr, size;
+	int ret;
+
+	ctx = g2d_init(dev->fd);
+	if (!ctx)
+		return -EFAULT;
+
+	dst_img.bo[0] = dst->handle;
+
+	src_x = 0;
+	src_y = 0;
+	dst_x = 0;
+	dst_y = 0;
+	img_w = screen_width;
+	img_h = screen_height;
+
+	switch (type) {
+	case G2D_IMGBUF_GEM:
+		src_img.bo[0] = src->handle;
+		break;
+	case G2D_IMGBUF_USERPTR:
+		size = img_w * img_h * 4;
+
+		userptr = (unsigned long)malloc(size);
+		if (!userptr) {
+			fprintf(stderr, "failed to allocate userptr.\n");
+			ret = -EFAULT;
+			goto fail;
+		}
+
+		src_img.user_ptr[0].userptr = userptr;
+		src_img.user_ptr[0].size = size;
+		break;
+	case G2D_IMGBUF_COLOR:
+	default:
+		ret = -EFAULT;
+		goto fail;
+	}
+
+	printf("copy test with %s.\n",
+			type == G2D_IMGBUF_GEM ? "gem" : "userptr");
+
+	src_img.width = img_w;
+	src_img.height = img_h;
+	src_img.stride = src_img.width * 4;
+	src_img.buf_type = type;
+	src_img.color_mode = G2D_COLOR_FMT_ARGB8888 | G2D_ORDER_AXRGB;
+	src_img.color = 0xffff0000;
+	ret = g2d_solid_fill(ctx, &src_img, src_x, src_y, img_w, img_h);
+	if (ret < 0)
+		goto err_free_userptr;
+
+	dst_img.width = img_w;
+	dst_img.height = img_h;
+	dst_img.stride = dst_img.width * 4;
+	dst_img.buf_type = G2D_IMGBUF_GEM;
+	dst_img.color_mode = G2D_COLOR_FMT_ARGB8888 | G2D_ORDER_AXRGB;
+
+	ret = g2d_copy(ctx, &src_img, &dst_img, src_x, src_y, dst_x, dst_y,
+			img_w - 4, img_h - 4);
+	if (ret < 0)
+		goto err_free_userptr;
+
+	g2d_exec(ctx);
+
+err_free_userptr:
+	if (type == G2D_IMGBUF_USERPTR)
+		if (userptr)
+			free((void *)userptr);
+
+fail:
+	g2d_fini(ctx);
+
+	return ret;
+}
+
+static int g2d_move_test(struct exynos_device *dev,
+				struct exynos_bo *tmp,
+				struct exynos_bo *buf,
+				enum e_g2d_buf_type type)
+{
+	struct g2d_context *ctx;
+	struct g2d_image img = {0}, tmp_img = {0};
+	unsigned int img_w, img_h, count;
+	int cur_x, cur_y;
+	void *checkerboard;
+	int ret;
+
+	static const struct g2d_step {
+		int x, y;
+	} steps[] = {
+		{ 1,  0}, { 0,  1},
+		{-1,  0}, { 0, -1},
+		{ 1,  1}, {-1, -1},
+		{ 1, -1}, {-1,  1},
+		{ 2,  1}, { 1,  2},
+		{-2, -1}, {-1, -2},
+		{ 2, -1}, { 1, -2},
+		{-2,  1}, {-1,  2}
+	};
+	static const unsigned int num_steps =
+		sizeof(steps) / sizeof(struct g2d_step);
+
+	ctx = g2d_init(dev->fd);
+	if (!ctx)
+		return -EFAULT;
+
+	img.bo[0] = buf->handle;
+
+	/* create pattern of half the screen size */
+	checkerboard = create_checkerboard_pattern(screen_width / 64, screen_height / 64, 32);
+	if (!checkerboard) {
+		ret = -EFAULT;
+		goto fail;
+	}
+
+	img_w = (screen_width / 64) * 32;
+	img_h = (screen_height / 64) * 32;
+
+	switch (type) {
+	case G2D_IMGBUF_GEM:
+		memcpy(tmp->vaddr, checkerboard, img_w * img_h * 4);
+		tmp_img.bo[0] = tmp->handle;
+		break;
+	case G2D_IMGBUF_USERPTR:
+		tmp_img.user_ptr[0].userptr = (unsigned long)checkerboard;
+		tmp_img.user_ptr[0].size = img_w * img_h * 4;
+		break;
+	case G2D_IMGBUF_COLOR:
+	default:
+		ret = -EFAULT;
+		goto fail;
+	}
+
+	/* solid fill framebuffer with white color */
+	img.width = screen_width;
+	img.height = screen_height;
+	img.stride = screen_width * 4;
+	img.buf_type = G2D_IMGBUF_GEM;
+	img.color_mode = G2D_COLOR_FMT_ARGB8888 | G2D_ORDER_AXRGB;
+	img.color = 0xffffffff;
+
+	/* put checkerboard pattern in the center of the framebuffer */
+	cur_x = (screen_width - img_w) / 2;
+	cur_y = (screen_height - img_h) / 2;
+	tmp_img.width = img_w;
+	tmp_img.height = img_h;
+	tmp_img.stride = img_w * 4;
+	tmp_img.buf_type = type;
+	tmp_img.color_mode = G2D_COLOR_FMT_ARGB8888 | G2D_ORDER_AXRGB;
+
+	ret = g2d_solid_fill(ctx, &img, 0, 0, screen_width, screen_height) ||
+		g2d_copy(ctx, &tmp_img, &img, 0, 0, cur_x, cur_y, img_w, img_h);
+
+	if (!ret)
+		ret = g2d_exec(ctx);
+	if (ret < 0)
+			goto fail;
+
+	printf("move test with %s.\n",
+			type == G2D_IMGBUF_GEM ? "gem" : "userptr");
+
+	srand(time(NULL));
+	for (count = 0; count < 256; ++count) {
+		const struct g2d_step *s;
+
+		/* select step and validate it */
+		while (1) {
+			s = &steps[random() % num_steps];
+
+			if (cur_x + s->x < 0 || cur_y + s->y < 0 ||
+				cur_x + img_w + s->x >= screen_width ||
+				cur_y + img_h + s->y >= screen_height)
+				continue;
+			else
+				break;
+		}
+
+		ret = g2d_move(ctx, &img, cur_x, cur_y, cur_x + s->x, cur_y + s->y,
+			img_w, img_h);
+		if (!ret)
+			ret = g2d_exec(ctx);
+
+		if (ret < 0)
+			goto fail;
+
+		cur_x += s->x;
+		cur_y += s->y;
+
+		usleep(100000);
+	}
+
+fail:
+	g2d_fini(ctx);
+
+	free(checkerboard);
+
+	return ret;
+}
+
+static int g2d_copy_with_scale_test(struct exynos_device *dev,
+					struct exynos_bo *src,
+					struct exynos_bo *dst,
+					enum e_g2d_buf_type type)
+{
+	struct g2d_context *ctx;
+	struct g2d_image src_img = {0}, dst_img = {0};
+	unsigned int src_x, src_y, img_w, img_h;
+	unsigned long userptr, size;
+	int ret;
+
+	ctx = g2d_init(dev->fd);
+	if (!ctx)
+		return -EFAULT;
+
+	dst_img.bo[0] = dst->handle;
+
+	src_x = 0;
+	src_y = 0;
+	img_w = screen_width;
+	img_h = screen_height;
+
+	switch (type) {
+	case G2D_IMGBUF_GEM:
+		src_img.bo[0] = src->handle;
+		break;
+	case G2D_IMGBUF_USERPTR:
+		size = img_w * img_h * 4;
+
+		userptr = (unsigned long)malloc(size);
+		if (!userptr) {
+			fprintf(stderr, "failed to allocate userptr.\n");
+			ret = -EFAULT;
+			goto fail;
+		}
+
+		src_img.user_ptr[0].userptr = userptr;
+		src_img.user_ptr[0].size = size;
+		break;
+	case G2D_IMGBUF_COLOR:
+	default:
+		ret = -EFAULT;
+		goto fail;
+	}
+
+	printf("copy and scale test with %s.\n",
+			type == G2D_IMGBUF_GEM ? "gem" : "userptr");
+
+	src_img.width = img_w;
+	src_img.height = img_h;
+	src_img.stride = src_img.width * 4;
+	src_img.buf_type = type;
+	src_img.color_mode = G2D_COLOR_FMT_ARGB8888 | G2D_ORDER_AXRGB;
+	src_img.color = 0xffffffff;
+	ret = g2d_solid_fill(ctx, &src_img, src_x, src_y, img_w ,  img_h);
+	if (ret < 0)
+		goto err_free_userptr;
+
+	src_img.color = 0xff00ff00;
+	ret = g2d_solid_fill(ctx, &src_img, 5, 5, 100, 100);
+	if (ret < 0)
+		goto err_free_userptr;
+
+	dst_img.width = img_w;
+	dst_img.height = img_h;
+	dst_img.buf_type = G2D_IMGBUF_GEM;
+	dst_img.stride = dst_img.width * 4;
+	dst_img.color_mode = G2D_COLOR_FMT_ARGB8888 | G2D_ORDER_AXRGB;
+
+	ret = g2d_copy_with_scale(ctx, &src_img, &dst_img, 5, 5, 100, 100,
+					100, 100, 200, 200, 0);
+	if (ret < 0)
+		goto err_free_userptr;
+
+	g2d_exec(ctx);
+
+err_free_userptr:
+	if (type == G2D_IMGBUF_USERPTR)
+		if (userptr)
+			free((void *)userptr);
+
+fail:
+	g2d_fini(ctx);
+
+	return ret;
+}
+
+#ifdef EXYNOS_G2D_USERPTR_TEST
+static int g2d_blend_test(struct exynos_device *dev,
+					struct exynos_bo *src,
+					struct exynos_bo *dst,
+					enum e_g2d_buf_type type)
+{
+	struct g2d_context *ctx;
+	struct g2d_image src_img = {0}, dst_img = {0};
+	unsigned int src_x, src_y, dst_x, dst_y, img_w, img_h;
+	unsigned long userptr, size;
+	int ret;
+
+	ctx = g2d_init(dev->fd);
+	if (!ctx)
+		return -EFAULT;
+
+	dst_img.bo[0] = dst->handle;
+
+	src_x = 0;
+	src_y = 0;
+	dst_x = 0;
+	dst_y = 0;
+	img_w = screen_width;
+	img_h = screen_height;
+
+	switch (type) {
+	case G2D_IMGBUF_GEM:
+		src_img.bo[0] = src->handle;
+		break;
+	case G2D_IMGBUF_USERPTR:
+		size = img_w * img_h * 4;
+
+		userptr = (unsigned long)malloc(size);
+		if (!userptr) {
+			fprintf(stderr, "failed to allocate userptr.\n");
+			ret = -EFAULT;
+			goto fail;
+		}
+
+		src_img.user_ptr[0].userptr = userptr;
+		src_img.user_ptr[0].size = size;
+		break;
+	case G2D_IMGBUF_COLOR:
+	default:
+		ret = -EFAULT;
+		goto fail;
+	}
+
+	printf("blend test with %s.\n",
+			type == G2D_IMGBUF_GEM ? "gem" : "userptr");
+
+	src_img.width = img_w;
+	src_img.height = img_h;
+	src_img.stride = src_img.width * 4;
+	src_img.buf_type = type;
+	src_img.select_mode = G2D_SELECT_MODE_NORMAL;
+	src_img.color_mode = G2D_COLOR_FMT_ARGB8888 | G2D_ORDER_AXRGB;
+	src_img.color = 0xffffffff;
+	ret = g2d_solid_fill(ctx, &src_img, src_x, src_y, img_w, img_h);
+	if (ret < 0)
+		goto err_free_userptr;
+
+	src_img.color = 0x770000ff;
+	ret = g2d_solid_fill(ctx, &src_img, 5, 5, 200, 200);
+	if (ret < 0)
+		goto err_free_userptr;
+
+	dst_img.width = img_w;
+	dst_img.height = img_h;
+	dst_img.stride = dst_img.width * 4;
+	dst_img.buf_type = G2D_IMGBUF_GEM;
+	dst_img.select_mode = G2D_SELECT_MODE_NORMAL;
+	dst_img.color_mode = G2D_COLOR_FMT_ARGB8888 | G2D_ORDER_AXRGB;
+	dst_img.color = 0xffffffff;
+	ret = g2d_solid_fill(ctx, &dst_img, dst_x, dst_y, img_w, img_h);
+	if (ret < 0)
+		goto err_free_userptr;
+
+	dst_img.color = 0x77ff0000;
+	ret = g2d_solid_fill(ctx, &dst_img, 105, 105, 200, 200);
+	if (ret < 0)
+		goto err_free_userptr;
+
+	ret = g2d_blend(ctx, &src_img, &dst_img, 5, 5, 105, 105, 200, 200,
+			G2D_OP_OVER);
+	if (ret < 0)
+		goto err_free_userptr;
+
+	g2d_exec(ctx);
+
+err_free_userptr:
+	if (type == G2D_IMGBUF_USERPTR)
+		if (userptr)
+			free((void *)userptr);
+
+fail:
+	g2d_fini(ctx);
+
+	return ret;
+}
+#endif
+
+static int g2d_checkerboard_test(struct exynos_device *dev,
+					struct exynos_bo *src,
+					struct exynos_bo *dst,
+					enum e_g2d_buf_type type)
+{
+	struct g2d_context *ctx;
+	struct g2d_image src_img = {0}, dst_img = {0};
+	unsigned int src_x, src_y, dst_x, dst_y, img_w, img_h;
+	void *checkerboard = NULL;
+	int ret;
+
+	ctx = g2d_init(dev->fd);
+	if (!ctx)
+		return -EFAULT;
+
+	dst_img.bo[0] = dst->handle;
+
+	src_x = 0;
+	src_y = 0;
+	dst_x = 0;
+	dst_y = 0;
+
+	checkerboard = create_checkerboard_pattern(screen_width / 32, screen_height / 32, 32);
+	if (!checkerboard) {
+		ret = -EFAULT;
+		goto fail;
+	}
+
+	img_w = screen_width - (screen_width % 32);
+	img_h = screen_height - (screen_height % 32);
+
+	switch (type) {
+	case G2D_IMGBUF_GEM:
+		memcpy(src->vaddr, checkerboard, img_w * img_h * 4);
+		src_img.bo[0] = src->handle;
+		break;
+	case G2D_IMGBUF_USERPTR:
+		src_img.user_ptr[0].userptr = (unsigned long)checkerboard;
+		src_img.user_ptr[0].size = img_w * img_h * 4;
+		break;
+	case G2D_IMGBUF_COLOR:
+	default:
+		ret = -EFAULT;
+		goto fail;
+	}
+
+	printf("checkerboard test with %s.\n",
+			type == G2D_IMGBUF_GEM ? "gem" : "userptr");
+
+	src_img.width = img_w;
+	src_img.height = img_h;
+	src_img.stride = src_img.width * 4;
+	src_img.buf_type = type;
+	src_img.color_mode = G2D_COLOR_FMT_ARGB8888 | G2D_ORDER_AXRGB;
+
+	dst_img.width = screen_width;
+	dst_img.height = screen_height;
+	dst_img.stride = dst_img.width * 4;
+	dst_img.buf_type = G2D_IMGBUF_GEM;
+	dst_img.color_mode = G2D_COLOR_FMT_ARGB8888 | G2D_ORDER_AXRGB;
+	src_img.color = 0xff000000;
+	ret = g2d_solid_fill(ctx, &dst_img, src_x, src_y, screen_width, screen_height);
+	if (ret < 0)
+		goto fail;
+
+	ret = g2d_copy(ctx, &src_img, &dst_img, src_x, src_y, dst_x, dst_y,
+			img_w, img_h);
+	if (ret < 0)
+		goto fail;
+
+	g2d_exec(ctx);
+
+fail:
+	free(checkerboard);
+	g2d_fini(ctx);
+
+	return ret;
+}
+
+static void usage(char *name)
+{
+	fprintf(stderr, "usage: %s [-s]\n", name);
+	fprintf(stderr, "-s <connector_id>@<crtc_id>:<mode>\n");
+	exit(0);
+}
+
+extern char *optarg;
+static const char optstr[] = "s:";
+
+int main(int argc, char **argv)
+{
+	struct exynos_device *dev;
+	struct exynos_bo *bo, *src;
+	struct connector con;
+	unsigned int fb_id;
+	uint32_t handles[4] = {0}, pitches[4] = {0}, offsets[4] = {0};
+	drmModeRes *resources;
+	int ret, fd, c;
+
+	memset(&con, 0, sizeof(struct connector));
+
+	if (argc != 3) {
+		usage(argv[0]);
+		return -EINVAL;
+	}
+
+	while ((c = getopt(argc, argv, optstr)) != -1) {
+		switch (c) {
+		case 's':
+			con.crtc = -1;
+			if (sscanf(optarg, "%d:0x%64s",
+						&con.id,
+						con.mode_str) != 2 &&
+					sscanf(optarg, "%d@%d:%64s",
+						&con.id,
+						&con.crtc,
+						con.mode_str) != 3)
+				usage(argv[0]);
+			break;
+		default:
+			usage(argv[0]);
+			break;
+		}
+	}
+
+	fd = drmOpen(DRM_MODULE_NAME, NULL);
+	if (fd < 0) {
+		fprintf(stderr, "failed to open.\n");
+		return fd;
+	}
+
+	dev = exynos_device_create(fd);
+	if (!dev) {
+		ret = -EFAULT;
+		goto err_drm_close;
+	}
+
+	resources = drmModeGetResources(dev->fd);
+	if (!resources) {
+		fprintf(stderr, "drmModeGetResources failed: %s\n",
+				strerror(errno));
+		ret = -EFAULT;
+		goto err_dev_destory;
+	}
+
+	connector_find_mode(dev->fd, &con, resources);
+	drmModeFreeResources(resources);
+
+	if (!con.mode) {
+		fprintf(stderr, "failed to find usable connector\n");
+		ret = -EFAULT;
+		goto err_dev_destory;
+	}
+
+	screen_width = con.mode->hdisplay;
+	screen_height = con.mode->vdisplay;
+
+	if (screen_width == 0 || screen_height == 0) {
+		fprintf(stderr, "failed to find sane resolution on connector\n");
+		ret = -EFAULT;
+		goto err_dev_destory;
+	}
+
+	printf("screen width = %d, screen height = %d\n", screen_width,
+			screen_height);
+
+	bo = exynos_create_buffer(dev, screen_width * screen_height * 4, 0);
+	if (!bo) {
+		ret = -EFAULT;
+		goto err_dev_destory;
+	}
+
+	handles[0] = bo->handle;
+	pitches[0] = screen_width * 4;
+	offsets[0] = 0;
+
+	ret = drmModeAddFB2(dev->fd, screen_width, screen_height,
+				DRM_FORMAT_XRGB8888, handles,
+				pitches, offsets, &fb_id, 0);
+	if (ret < 0)
+		goto err_destroy_buffer;
+
+	memset(bo->vaddr, 0xff, screen_width * screen_height * 4);
+
+	ret = drm_set_crtc(dev, &con, fb_id);
+	if (ret < 0)
+		goto err_rm_fb;
+
+	ret = g2d_solid_fill_test(dev, bo);
+	if (ret < 0) {
+		fprintf(stderr, "failed to solid fill operation.\n");
+		goto err_rm_fb;
+	}
+
+	wait_for_user_input(0);
+
+	src = exynos_create_buffer(dev, screen_width * screen_height * 4, 0);
+	if (!src) {
+		ret = -EFAULT;
+		goto err_rm_fb;
+	}
+
+	ret = g2d_copy_test(dev, src, bo, G2D_IMGBUF_GEM);
+	if (ret < 0) {
+		fprintf(stderr, "failed to test copy operation.\n");
+		goto err_free_src;
+	}
+
+	wait_for_user_input(0);
+
+	ret = g2d_move_test(dev, src, bo, G2D_IMGBUF_GEM);
+	if (ret < 0) {
+		fprintf(stderr, "failed to test move operation.\n");
+		goto err_free_src;
+	}
+
+	wait_for_user_input(0);
+
+	ret = g2d_copy_with_scale_test(dev, src, bo, G2D_IMGBUF_GEM);
+	if (ret < 0) {
+		fprintf(stderr, "failed to test copy and scale operation.\n");
+		goto err_free_src;
+	}
+
+	wait_for_user_input(0);
+
+	ret = g2d_checkerboard_test(dev, src, bo, G2D_IMGBUF_GEM);
+	if (ret < 0) {
+		fprintf(stderr, "failed to issue checkerboard test.\n");
+		goto err_free_src;
+	}
+
+	wait_for_user_input(1);
+
+	/*
+	 * The blend test uses the userptr functionality of exynos-drm, which
+	 * is currently not safe to use. If the kernel hasn't been build with
+	 * exynos-iommu support, then the blend test is going to produce (kernel)
+	 * memory corruption, eventually leading to a system crash.
+	 *
+	 * Disable the test for now, until the kernel code has been sanitized.
+	 */
+#ifdef EXYNOS_G2D_USERPTR_TEST
+	ret  = g2d_blend_test(dev, src, bo, G2D_IMGBUF_USERPTR);
+	if (ret < 0)
+		fprintf(stderr, "failed to test blend operation.\n");
+
+	getchar();
+#endif
+
+err_free_src:
+	if (src)
+		exynos_destroy_buffer(src);
+
+err_rm_fb:
+	drmModeRmFB(dev->fd, fb_id);
+
+err_destroy_buffer:
+	exynos_destroy_buffer(bo);
+
+err_dev_destory:
+	exynos_device_destroy(dev);
+
+err_drm_close:
+	drmClose(fd);
+
+	return ret;
+}
diff --git a/tests/exynos/meson.build b/tests/exynos/meson.build
new file mode 100644
index 0000000..12259c3
--- /dev/null
+++ b/tests/exynos/meson.build
@@ -0,0 +1,51 @@
+# Copyright © 2017 Intel Corporation
+
+# 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 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.
+
+inc_exynos = include_directories('../../exynos')
+
+exynos_fimg2d_test = executable(
+  'exynos_fimg2d_test',
+  files('exynos_fimg2d_test.c'),
+  c_args : libdrm_c_args,
+  include_directories : [inc_root, inc_drm, inc_exynos],
+  link_with : [libdrm, libdrm_exynos],
+  dependencies : dep_threads,
+  install : with_install_tests,
+)
+
+exynos_fimg2d_perf = executable(
+  'exynos_fimg2d_perf',
+  files('exynos_fimg2d_perf.c'),
+  c_args : libdrm_c_args,
+  include_directories : [inc_root, inc_drm, inc_exynos],
+  link_with : [libdrm, libdrm_exynos],
+  dependencies : dep_threads,
+  install : with_install_tests,
+)
+
+exynos_fimg2d_event = executable(
+  'exynos_fimg2d_event',
+  files('exynos_fimg2d_event.c'),
+  c_args : libdrm_c_args,
+  include_directories : [inc_root, inc_drm, inc_exynos],
+  link_with : [libdrm, libdrm_exynos],
+  dependencies : dep_threads,
+  install : with_install_tests,
+)