[libdrm,3/8] tests: add proptest

Message ID 1338919594-25392-4-git-send-email-rob.clark@linaro.org
State New
Headers show

Commit Message

Rob Clark June 5, 2012, 6:06 p.m.
From: Paulo Zanoni <paulo.r.zanoni@intel.com>

A small program that allows us to see and modify properties.

Reviewed-by: Rob Clark <rob@ti.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
---
 configure.ac               |    1 +
 tests/Makefile.am          |    2 +-
 tests/proptest/Makefile.am |   11 ++
 tests/proptest/proptest.c  |  317 ++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 330 insertions(+), 1 deletion(-)
 create mode 100644 tests/proptest/Makefile.am
 create mode 100644 tests/proptest/proptest.c

Comments

Joonyoung Shim June 7, 2012, 5:03 a.m. | #1
Hi, Rob and Paulo.

On 06/06/2012 03:06 AM, Rob Clark wrote:
> From: Paulo Zanoni<paulo.r.zanoni@intel.com>
>
> A small program that allows us to see and modify properties.
>
> Reviewed-by: Rob Clark<rob@ti.com>
> Signed-off-by: Paulo Zanoni<paulo.r.zanoni@intel.com>
> ---
>   configure.ac               |    1 +
>   tests/Makefile.am          |    2 +-
>   tests/proptest/Makefile.am |   11 ++
>   tests/proptest/proptest.c  |  317 ++++++++++++++++++++++++++++++++++++++++++++
>   4 files changed, 330 insertions(+), 1 deletion(-)
>   create mode 100644 tests/proptest/Makefile.am
>   create mode 100644 tests/proptest/proptest.c
>
> diff --git a/configure.ac b/configure.ac
> index e6e9a9f..73558ce 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -329,6 +329,7 @@ AC_CONFIG_FILES([
>   	tests/modeprint/Makefile
>   	tests/modetest/Makefile
>   	tests/kmstest/Makefile
> +	tests/proptest/Makefile
>   	tests/radeon/Makefile
>   	tests/vbltest/Makefile
>   	include/Makefile
> diff --git a/tests/Makefile.am b/tests/Makefile.am
> index a3a59bd..1442854 100644
> --- a/tests/Makefile.am
> +++ b/tests/Makefile.am
> @@ -10,7 +10,7 @@ check_PROGRAMS = \
>   	dristat \
>   	drmstat
>
> -SUBDIRS = modeprint
> +SUBDIRS = modeprint proptest
>
>   if HAVE_LIBKMS
>   SUBDIRS += kmstest modetest
> diff --git a/tests/proptest/Makefile.am b/tests/proptest/Makefile.am
> new file mode 100644
> index 0000000..f81a3c0
> --- /dev/null
> +++ b/tests/proptest/Makefile.am
> @@ -0,0 +1,11 @@
> +AM_CFLAGS = \
> +	-I$(top_srcdir)/include/drm \
> +	-I$(top_srcdir)
> +
> +noinst_PROGRAMS = \
> +	proptest
> +
> +proptest_SOURCES = \
> +	proptest.c
> +proptest_LDADD = \
> +	$(top_builddir)/libdrm.la
> diff --git a/tests/proptest/proptest.c b/tests/proptest/proptest.c
> new file mode 100644
> index 0000000..52896fe
> --- /dev/null
> +++ b/tests/proptest/proptest.c
> @@ -0,0 +1,317 @@
> +/*
> + * Copyright (c) 2012 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 (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:
> + *    Paulo Zanoni<paulo.r.zanoni@intel.com>
> + *
> + */
> +
> +#include<assert.h>
> +#include<errno.h>
> +#include<inttypes.h>
> +#include<stdlib.h>
> +#include<stdio.h>
> +#include<string.h>
> +
> +#include "xf86drm.h"
> +#include "xf86drmMode.h"
> +
> +#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
> +
> +int fd;
> +drmModeResPtr res = NULL;
> +
> +const char *connector_type_str(uint32_t type)
> +{
> +	switch (type) {
> +	case DRM_MODE_CONNECTOR_Unknown:
> +		return "Unknown";
> +	case DRM_MODE_CONNECTOR_VGA:
> +		return "VGA";
> +	case DRM_MODE_CONNECTOR_DVII:
> +		return "DVI-I";
> +	case DRM_MODE_CONNECTOR_DVID:
> +		return "DVI-D";
> +	case DRM_MODE_CONNECTOR_DVIA:
> +		return "DVI-A";
> +	case DRM_MODE_CONNECTOR_Composite:
> +		return "Composite";
> +	case DRM_MODE_CONNECTOR_SVIDEO:
> +		return "SVIDEO";
> +	case DRM_MODE_CONNECTOR_LVDS:
> +		return "LVDS";
> +	case DRM_MODE_CONNECTOR_Component:
> +		return "Component";
> +	case DRM_MODE_CONNECTOR_9PinDIN:
> +		return "9PinDin";
> +	case DRM_MODE_CONNECTOR_DisplayPort:
> +		return "DisplayPort";
> +	case DRM_MODE_CONNECTOR_HDMIA:
> +		return "HDMI-A";
> +	case DRM_MODE_CONNECTOR_HDMIB:
> +		return "HDMI-B";
> +	case DRM_MODE_CONNECTOR_TV:
> +		return "TV";
> +	case DRM_MODE_CONNECTOR_eDP:
> +		return "eDP";
> +	default:
> +		return "Invalid";
> +	}
> +}
> +
> +/* dump_blob and dump_prop shamelessly copied from ../modetest/modetest.c */
> +static void
> +dump_blob(uint32_t blob_id)
> +{
> +	uint32_t i;
> +	unsigned char *blob_data;
> +	drmModePropertyBlobPtr blob;
> +
> +	blob = drmModeGetPropertyBlob(fd, blob_id);
> +	if (!blob)
> +		return;
> +
> +	blob_data = blob->data;
> +
> +	for (i = 0; i<  blob->length; i++) {
> +		if (i % 16 == 0)
> +			printf("\n\t\t\t");
> +		printf("%.2hhx", blob_data[i]);
> +	}
> +	printf("\n");
> +
> +	drmModeFreePropertyBlob(blob);
> +}
> +
> +static void
> +dump_prop(uint32_t prop_id, uint64_t value)
> +{
> +	int i;
> +	drmModePropertyPtr prop;
> +
> +	prop = drmModeGetProperty(fd, prop_id);
> +
> +	printf("\t%d", prop_id);
> +	if (!prop) {
> +		printf("\n");
> +		return;
> +	}
> +
> +	printf(" %s:\n", prop->name);
> +
> +	printf("\t\tflags:");
> +	if (prop->flags&  DRM_MODE_PROP_PENDING)
> +		printf(" pending");
> +	if (prop->flags&  DRM_MODE_PROP_RANGE)
> +		printf(" range");
> +	if (prop->flags&  DRM_MODE_PROP_IMMUTABLE)
> +		printf(" immutable");
> +	if (prop->flags&  DRM_MODE_PROP_ENUM)
> +		printf(" enum");
> +	if (prop->flags&  DRM_MODE_PROP_BLOB)
> +		printf(" blob");
> +	printf("\n");
> +
> +	if (prop->flags&  DRM_MODE_PROP_RANGE) {
> +		printf("\t\tvalues:");
> +		for (i = 0; i<  prop->count_values; i++)
> +			printf(" %"PRIu64, prop->values[i]);
> +		printf("\n");
> +	}
> +
> +	if (prop->flags&  DRM_MODE_PROP_ENUM) {
> +		printf("\t\tenums:");
> +		for (i = 0; i<  prop->count_enums; i++)
> +			printf(" %s=%llu", prop->enums[i].name,
> +			       prop->enums[i].value);
> +		printf("\n");
> +	} else {
> +		assert(prop->count_enums == 0);
> +	}
> +
> +	if (prop->flags&  DRM_MODE_PROP_BLOB) {
> +		printf("\t\tblobs:\n");

"\n" seems to be unnecessary.

> +		for (i = 0; i<  prop->count_blobs; i++)
> +			dump_blob(prop->blob_ids[i]);
> +		printf("\n");
> +	} else {
> +		assert(prop->count_blobs == 0);
> +	}
> +
> +	printf("\t\tvalue:");
> +	if (prop->flags&  DRM_MODE_PROP_BLOB)
> +		dump_blob(value);

Here needs printf("\n");

> +	else
> +		printf(" %"PRIu64"\n", value);
> +
> +	drmModeFreeProperty(prop);
> +}
> +
> +static void listObjectProperties(uint32_t id, uint32_t type)
> +{
> +	unsigned int i;
> +	drmModeObjectPropertiesPtr props;
> +
> +	props = drmModeObjectGetProperties(fd, id, type);
> +
> +	if (!props) {
> +		printf("\tNo properties: %s.\n", strerror(errno));
> +		return;
> +	}
> +
> +	for (i = 0; i<  props->count_props; i++)
> +		dump_prop(props->props[i], props->prop_values[i]);
> +
> +	drmModeFreeObjectProperties(props);
> +}
> +
> +static void listConnectorProperties(void)
> +{
> +	int i;
> +	drmModeConnectorPtr c;
> +
> +	for (i = 0; i<  res->count_connectors; i++) {
> +		c = drmModeGetConnector(fd, res->connectors[i]);
> +
> +		if (!c) {
> +			fprintf(stderr, "Could not get connector %u: %s\n",
> +				res->connectors[i], strerror(errno));
> +			continue;
> +		}
> +
> +		printf("Connector %u (%s-%u)\n", c->connector_id,
> +		       connector_type_str(c->connector_type),
> +		       c->connector_type_id);
> +
> +		listObjectProperties(c->connector_id,
> +				     DRM_MODE_OBJECT_CONNECTOR);
> +
> +		drmModeFreeConnector(c);
> +	}
> +}
> +
> +static void listCrtcProperties(void)
> +{
> +	int i;
> +	drmModeCrtcPtr c;
> +
> +	for (i = 0; i<  res->count_crtcs; i++) {
> +		c = drmModeGetCrtc(fd, res->crtcs[i]);
> +
> +		if (!c) {
> +			fprintf(stderr, "Could not get crtc %u: %s\n",
> +				res->crtcs[i], strerror(errno));
> +			continue;
> +		}
> +
> +		printf("CRTC %u\n", c->crtc_id);
> +
> +		listObjectProperties(c->crtc_id, DRM_MODE_OBJECT_CRTC);
> +
> +		drmModeFreeCrtc(c);
> +	}
> +}
> +
> +static void listAllProperties(void)
> +{
> +	listConnectorProperties();
> +	listCrtcProperties();
> +}
> +
> +static int setProperty(char *argv[])
> +{
> +	uint32_t obj_id, obj_type, prop_id;
> +	uint64_t value;
> +
> +	obj_id = atoi(argv[1]);
> +
> +	if (!strcmp(argv[2], "connector")) {
> +		obj_type = DRM_MODE_OBJECT_CONNECTOR;
> +	} else if (!strcmp(argv[2], "crtc")) {
> +		obj_type = DRM_MODE_OBJECT_CRTC;
> +	} else {
> +		fprintf(stderr, "Invalid object type.\n");
> +		return 1;
> +	}
> +
> +	prop_id = atoi(argv[3]);
> +	value = atoll(argv[4]);
> +
> +	return drmModeObjectSetProperty(fd, obj_id, obj_type, prop_id, value);
> +}
> +
> +static void printUsage(void)
> +{
> +	printf("Usage:\n"
> +"  proptest\n"
> +"  proptest [obj id] [obj type] [prop id] [value]\n"
> +"\n"
> +"The first form just prints all the existing properties. The second one is\n"
> +"used to set the value of a specified property. The object type can be one of\n"
> +"the following strings:\n"
> +"  connector crtc\n"
> +"\n"
> +"Example:\n"
> +"  proptest 7 connector 2 1\n"
> +"will set property 2 of connector 7 to 1\n");
> +}
> +
> +int main(int argc, char *argv[])
> +{
> +	char *modules[] = { "i915", "radeon", "nouveau", "vmwgfx", "omapdrm" };

Please add "exynos"

> +	unsigned int i, ret = 0;
> +
> +	for (i = 0; i<  ARRAY_SIZE(modules); i++){
> +		fd = drmOpen(modules[i], NULL);
> +		if (fd>= 0) {
> +			printf("Module %s loaded.\n", modules[i]);
> +			break;
> +		}
> +	}
> +
> +	if (i == ARRAY_SIZE(modules)) {
> +		fprintf(stderr, "Failed to load drm modules.\n");
> +		return 1;
> +	}
> +
> +	res = drmModeGetResources(fd);
> +	if (!res) {
> +		fprintf(stderr, "Failed to get resources: %s\n",
> +			strerror(errno));
> +		ret = 1;
> +		goto done;
> +	}
> +
> +	if (argc<  2) {
> +		listAllProperties();
> +	} else if (argc == 5) {
> +		ret = setProperty(argv);
> +	} else {
> +		printUsage();
> +		ret = 1;
> +	}
> +
> +	drmModeFreeResources(res);
> +done:
> +	drmClose(fd);
> +	return ret;
> +}

Thanks.

Patch

diff --git a/configure.ac b/configure.ac
index e6e9a9f..73558ce 100644
--- a/configure.ac
+++ b/configure.ac
@@ -329,6 +329,7 @@  AC_CONFIG_FILES([
 	tests/modeprint/Makefile
 	tests/modetest/Makefile
 	tests/kmstest/Makefile
+	tests/proptest/Makefile
 	tests/radeon/Makefile
 	tests/vbltest/Makefile
 	include/Makefile
diff --git a/tests/Makefile.am b/tests/Makefile.am
index a3a59bd..1442854 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -10,7 +10,7 @@  check_PROGRAMS = \
 	dristat \
 	drmstat
 
-SUBDIRS = modeprint
+SUBDIRS = modeprint proptest
 
 if HAVE_LIBKMS
 SUBDIRS += kmstest modetest
diff --git a/tests/proptest/Makefile.am b/tests/proptest/Makefile.am
new file mode 100644
index 0000000..f81a3c0
--- /dev/null
+++ b/tests/proptest/Makefile.am
@@ -0,0 +1,11 @@ 
+AM_CFLAGS = \
+	-I$(top_srcdir)/include/drm \
+	-I$(top_srcdir)
+
+noinst_PROGRAMS = \
+	proptest
+
+proptest_SOURCES = \
+	proptest.c
+proptest_LDADD = \
+	$(top_builddir)/libdrm.la
diff --git a/tests/proptest/proptest.c b/tests/proptest/proptest.c
new file mode 100644
index 0000000..52896fe
--- /dev/null
+++ b/tests/proptest/proptest.c
@@ -0,0 +1,317 @@ 
+/*
+ * Copyright (c) 2012 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 (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:
+ *    Paulo Zanoni <paulo.r.zanoni@intel.com>
+ *
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "xf86drm.h"
+#include "xf86drmMode.h"
+
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+int fd;
+drmModeResPtr res = NULL;
+
+const char *connector_type_str(uint32_t type)
+{
+	switch (type) {
+	case DRM_MODE_CONNECTOR_Unknown:
+		return "Unknown";
+	case DRM_MODE_CONNECTOR_VGA:
+		return "VGA";
+	case DRM_MODE_CONNECTOR_DVII:
+		return "DVI-I";
+	case DRM_MODE_CONNECTOR_DVID:
+		return "DVI-D";
+	case DRM_MODE_CONNECTOR_DVIA:
+		return "DVI-A";
+	case DRM_MODE_CONNECTOR_Composite:
+		return "Composite";
+	case DRM_MODE_CONNECTOR_SVIDEO:
+		return "SVIDEO";
+	case DRM_MODE_CONNECTOR_LVDS:
+		return "LVDS";
+	case DRM_MODE_CONNECTOR_Component:
+		return "Component";
+	case DRM_MODE_CONNECTOR_9PinDIN:
+		return "9PinDin";
+	case DRM_MODE_CONNECTOR_DisplayPort:
+		return "DisplayPort";
+	case DRM_MODE_CONNECTOR_HDMIA:
+		return "HDMI-A";
+	case DRM_MODE_CONNECTOR_HDMIB:
+		return "HDMI-B";
+	case DRM_MODE_CONNECTOR_TV:
+		return "TV";
+	case DRM_MODE_CONNECTOR_eDP:
+		return "eDP";
+	default:
+		return "Invalid";
+	}
+}
+
+/* dump_blob and dump_prop shamelessly copied from ../modetest/modetest.c */
+static void
+dump_blob(uint32_t blob_id)
+{
+	uint32_t i;
+	unsigned char *blob_data;
+	drmModePropertyBlobPtr blob;
+
+	blob = drmModeGetPropertyBlob(fd, blob_id);
+	if (!blob)
+		return;
+
+	blob_data = blob->data;
+
+	for (i = 0; i < blob->length; i++) {
+		if (i % 16 == 0)
+			printf("\n\t\t\t");
+		printf("%.2hhx", blob_data[i]);
+	}
+	printf("\n");
+
+	drmModeFreePropertyBlob(blob);
+}
+
+static void
+dump_prop(uint32_t prop_id, uint64_t value)
+{
+	int i;
+	drmModePropertyPtr prop;
+
+	prop = drmModeGetProperty(fd, prop_id);
+
+	printf("\t%d", prop_id);
+	if (!prop) {
+		printf("\n");
+		return;
+	}
+
+	printf(" %s:\n", prop->name);
+
+	printf("\t\tflags:");
+	if (prop->flags & DRM_MODE_PROP_PENDING)
+		printf(" pending");
+	if (prop->flags & DRM_MODE_PROP_RANGE)
+		printf(" range");
+	if (prop->flags & DRM_MODE_PROP_IMMUTABLE)
+		printf(" immutable");
+	if (prop->flags & DRM_MODE_PROP_ENUM)
+		printf(" enum");
+	if (prop->flags & DRM_MODE_PROP_BLOB)
+		printf(" blob");
+	printf("\n");
+
+	if (prop->flags & DRM_MODE_PROP_RANGE) {
+		printf("\t\tvalues:");
+		for (i = 0; i < prop->count_values; i++)
+			printf(" %"PRIu64, prop->values[i]);
+		printf("\n");
+	}
+
+	if (prop->flags & DRM_MODE_PROP_ENUM) {
+		printf("\t\tenums:");
+		for (i = 0; i < prop->count_enums; i++)
+			printf(" %s=%llu", prop->enums[i].name,
+			       prop->enums[i].value);
+		printf("\n");
+	} else {
+		assert(prop->count_enums == 0);
+	}
+
+	if (prop->flags & DRM_MODE_PROP_BLOB) {
+		printf("\t\tblobs:\n");
+		for (i = 0; i < prop->count_blobs; i++)
+			dump_blob(prop->blob_ids[i]);
+		printf("\n");
+	} else {
+		assert(prop->count_blobs == 0);
+	}
+
+	printf("\t\tvalue:");
+	if (prop->flags & DRM_MODE_PROP_BLOB)
+		dump_blob(value);
+	else
+		printf(" %"PRIu64"\n", value);
+
+	drmModeFreeProperty(prop);
+}
+
+static void listObjectProperties(uint32_t id, uint32_t type)
+{
+	unsigned int i;
+	drmModeObjectPropertiesPtr props;
+
+	props = drmModeObjectGetProperties(fd, id, type);
+
+	if (!props) {
+		printf("\tNo properties: %s.\n", strerror(errno));
+		return;
+	}
+
+	for (i = 0; i < props->count_props; i++)
+		dump_prop(props->props[i], props->prop_values[i]);
+
+	drmModeFreeObjectProperties(props);
+}
+
+static void listConnectorProperties(void)
+{
+	int i;
+	drmModeConnectorPtr c;
+
+	for (i = 0; i < res->count_connectors; i++) {
+		c = drmModeGetConnector(fd, res->connectors[i]);
+
+		if (!c) {
+			fprintf(stderr, "Could not get connector %u: %s\n",
+				res->connectors[i], strerror(errno));
+			continue;
+		}
+
+		printf("Connector %u (%s-%u)\n", c->connector_id,
+		       connector_type_str(c->connector_type),
+		       c->connector_type_id);
+
+		listObjectProperties(c->connector_id,
+				     DRM_MODE_OBJECT_CONNECTOR);
+
+		drmModeFreeConnector(c);
+	}
+}
+
+static void listCrtcProperties(void)
+{
+	int i;
+	drmModeCrtcPtr c;
+
+	for (i = 0; i < res->count_crtcs; i++) {
+		c = drmModeGetCrtc(fd, res->crtcs[i]);
+
+		if (!c) {
+			fprintf(stderr, "Could not get crtc %u: %s\n",
+				res->crtcs[i], strerror(errno));
+			continue;
+		}
+
+		printf("CRTC %u\n", c->crtc_id);
+
+		listObjectProperties(c->crtc_id, DRM_MODE_OBJECT_CRTC);
+
+		drmModeFreeCrtc(c);
+	}
+}
+
+static void listAllProperties(void)
+{
+	listConnectorProperties();
+	listCrtcProperties();
+}
+
+static int setProperty(char *argv[])
+{
+	uint32_t obj_id, obj_type, prop_id;
+	uint64_t value;
+
+	obj_id = atoi(argv[1]);
+
+	if (!strcmp(argv[2], "connector")) {
+		obj_type = DRM_MODE_OBJECT_CONNECTOR;
+	} else if (!strcmp(argv[2], "crtc")) {
+		obj_type = DRM_MODE_OBJECT_CRTC;
+	} else {
+		fprintf(stderr, "Invalid object type.\n");
+		return 1;
+	}
+
+	prop_id = atoi(argv[3]);
+	value = atoll(argv[4]);
+
+	return drmModeObjectSetProperty(fd, obj_id, obj_type, prop_id, value);
+}
+
+static void printUsage(void)
+{
+	printf("Usage:\n"
+"  proptest\n"
+"  proptest [obj id] [obj type] [prop id] [value]\n"
+"\n"
+"The first form just prints all the existing properties. The second one is\n"
+"used to set the value of a specified property. The object type can be one of\n"
+"the following strings:\n"
+"  connector crtc\n"
+"\n"
+"Example:\n"
+"  proptest 7 connector 2 1\n"
+"will set property 2 of connector 7 to 1\n");
+}
+
+int main(int argc, char *argv[])
+{
+	char *modules[] = { "i915", "radeon", "nouveau", "vmwgfx", "omapdrm" };
+	unsigned int i, ret = 0;
+
+	for (i = 0; i < ARRAY_SIZE(modules); i++){
+		fd = drmOpen(modules[i], NULL);
+		if (fd >= 0) {
+			printf("Module %s loaded.\n", modules[i]);
+			break;
+		}
+	}
+
+	if (i == ARRAY_SIZE(modules)) {
+		fprintf(stderr, "Failed to load drm modules.\n");
+		return 1;
+	}
+
+	res = drmModeGetResources(fd);
+	if (!res) {
+		fprintf(stderr, "Failed to get resources: %s\n",
+			strerror(errno));
+		ret = 1;
+		goto done;
+	}
+
+	if (argc < 2) {
+		listAllProperties();
+	} else if (argc == 5) {
+		ret = setProperty(argv);
+	} else {
+		printUsage();
+		ret = 1;
+	}
+
+	drmModeFreeResources(res);
+done:
+	drmClose(fd);
+	return ret;
+}