[PATCH libdrm] exynos: add exynos drm support

* [PATCH libdrm] exynos: add exynos drm support
@ 2012-04-02 12:08 Inki Dae
  2012-04-12  7:11 ` InKi Dae
                   ` (2 more replies)
  0 siblings, 3 replies; 8+ messages in thread
From: Inki Dae @ 2012-04-02 12:08 UTC (permalink / raw)
  To: dri-devel; +Cc: Inki Dae, kyungmin.park, sw0312.kim

this patch adds libdrm_exynos helper layer that inclues some intefaces
for exynos specific gem and virtual display driver and also adds exynos
module name to modtest and vbltest.

this patch is based on a link below:
	git://anongit.freedesktop.org/mesa/drm
	commit id: e057a56448e2e785f74bc13dbd6ead8572ebed91

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 Makefile.am                |    6 +-
 configure.ac               |   13 ++
 exynos/Makefile.am         |   22 +++
 exynos/exynos_drm.c        |  324 ++++++++++++++++++++++++++++++++++++++++++++
 exynos/exynos_drm.h        |  127 +++++++++++++++++
 exynos/exynos_drmif.h      |   60 ++++++++
 exynos/libdrm_exynos.pc.in |   11 ++
 tests/modetest/modetest.c  |    2 +-
 tests/vbltest/vbltest.c    |    2 +-
 9 files changed, 564 insertions(+), 3 deletions(-)
 create mode 100644 exynos/Makefile.am
 create mode 100644 exynos/exynos_drm.c
 create mode 100644 exynos/exynos_drm.h
 create mode 100644 exynos/exynos_drmif.h
 create mode 100644 exynos/libdrm_exynos.pc.in

diff --git a/Makefile.am b/Makefile.am
index 4f625a1..256a8cc 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -45,7 +45,11 @@ if HAVE_OMAP
 OMAP_SUBDIR = omap
 endif
 
-SUBDIRS = . $(LIBKMS_SUBDIR) $(INTEL_SUBDIR) $(NOUVEAU_SUBDIR) $(RADEON_SUBDIR) $(OMAP_SUBDIR) tests include
+if HAVE_EXYNOS
+EXYNOS_SUBDIR = exynos
+endif
+
+SUBDIRS = . $(LIBKMS_SUBDIR) $(INTEL_SUBDIR) $(NOUVEAU_SUBDIR) $(RADEON_SUBDIR) $(OMAP_SUBDIR) $(EXYNOS_SUBDIR) tests include
 
 libdrm_la_LTLIBRARIES = libdrm.la
 libdrm_ladir = $(libdir)
diff --git a/configure.ac b/configure.ac
index 1ba7eba..ae84817 100644
--- a/configure.ac
+++ b/configure.ac
@@ -88,6 +88,11 @@ AC_ARG_ENABLE(omap-experimental-api,
 	      [Enable support for OMAP's experimental API (default: disabled)]),
 	      [OMAP=$enableval], [OMAP=no])
 
+AC_ARG_ENABLE(exynos-experimental-api,
+	      AS_HELP_STRING([--enable-exynos-experimental-api],
+	      [Enable support for EXYNOS's experimental API (default: disabled)]),
+	      [EXYNOS=$enableval], [EXYNOS=no])
+
 dnl ===========================================================================
 dnl check compiler flags
 AC_DEFUN([LIBDRM_CC_TRY_FLAG], [
@@ -191,6 +196,11 @@ if test "x$OMAP" = xyes; then
 	AC_DEFINE(HAVE_OMAP, 1, [Have OMAP support])
 fi
 
+AM_CONDITIONAL(HAVE_EXYNOS, [test "x$EXYNOS" = xyes])
+if test "x$EXYNOS" = xyes; then
+	AC_DEFINE(HAVE_EXYNOS, 1, [Have EXYNOS support])
+fi
+
 PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no])
 if test "x$HAVE_CAIRO" = xyes; then
 	AC_DEFINE(HAVE_CAIRO, 1, [Have cairo support])
@@ -302,6 +312,8 @@ AC_CONFIG_FILES([
 	nouveau/libdrm_nouveau.pc
 	omap/Makefile
 	omap/libdrm_omap.pc
+	exynos/Makefile
+	exynos/libdrm_exynos.pc
 	tests/Makefile
 	tests/modeprint/Makefile
 	tests/modetest/Makefile
@@ -322,4 +334,5 @@ echo "  vmwgfx API     $VMWGFX"
 echo "  Radeon API     $RADEON"
 echo "  Nouveau API    $NOUVEAU"
 echo "  OMAP API       $OMAP"
+echo "  EXYNOS API     $EXYNOS"
 echo ""
diff --git a/exynos/Makefile.am b/exynos/Makefile.am
new file mode 100644
index 0000000..e782d34
--- /dev/null
+++ b/exynos/Makefile.am
@@ -0,0 +1,22 @@
+AM_CFLAGS = \
+	$(WARN_CFLAGS) \
+	-I$(top_srcdir) \
+	-I$(top_srcdir)/exynos \
+	$(PTHREADSTUBS_CFLAGS) \
+	-I$(top_srcdir)/include/drm
+
+libdrm_exynos_la_LTLIBRARIES = libdrm_exynos.la
+libdrm_exynos_ladir = $(libdir)
+libdrm_exynos_la_LDFLAGS = -version-number 1:0:0 -no-undefined
+libdrm_exynos_la_LIBADD = ../libdrm.la @PTHREADSTUBS_LIBS@
+
+libdrm_exynos_la_SOURCES = exynos_drm.c
+
+libdrm_exynoscommonincludedir = ${includedir}/exynos
+libdrm_exynoscommoninclude_HEADERS = exynos_drm.h
+
+libdrm_exynosincludedir = ${includedir}/libdrm
+libdrm_exynosinclude_HEADERS = exynos_drmif.h
+
+pkgconfigdir = @pkgconfigdir@
+pkgconfig_DATA = libdrm_exynos.pc
diff --git a/exynos/exynos_drm.c b/exynos/exynos_drm.c
new file mode 100644
index 0000000..778321a
--- /dev/null
+++ b/exynos/exynos_drm.c
@@ -0,0 +1,324 @@
+/*
+ * Copyright (C) 2012 Samsung Electronics Co., 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.
+ *
+ * Authors:
+ *    Inki Dae <inki.dae@samsung.com>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#include <sys/mman.h>
+#include <linux/stddef.h>
+
+#include <xf86drm.h>
+
+#include "exynos_drm.h"
+#include "exynos_drmif.h"
+
+struct exynos_device {
+	int fd;
+};
+
+/*
+ * Exynos Buffer Object structure.
+ *
+ * @dev: exynos device object allocated.
+ * @handle: a gem handle to gem object created.
+ * @size: size to the buffer created.
+ * @map: user pointer to a gem buffer mmaped.
+ * @name: a gem global handle from flink request.
+ */
+struct exynos_bo {
+	struct exynos_device	*dev;
+	uint32_t		handle;
+	size_t			size;
+	void			*map;
+	uint32_t		name;
+};
+
+/*
+ * Create exynos drm device object.
+ *
+ * @fd: file descriptor to exynos drm driver opened.
+ *
+ * if true, return the device object else NULL.
+ */
+struct exynos_device * exynos_device_create(int fd)
+{
+	struct exynos_device *dev;
+
+	dev = calloc(sizeof(*dev), 1);
+	if (!dev) {
+		fprintf(stderr, "failed to create device[%s].\n",
+				strerror(errno));
+		return NULL;
+	}
+
+	dev->fd = fd;
+
+	return dev;
+}
+
+/*
+ * Destroy exynos drm device object
+ *
+ * @dev: exynos drm device object.
+ */
+void exynos_device_destroy(struct exynos_device *dev)
+{
+	free(dev);
+}
+
+/*
+ * Create a exynos buffer object to exynos drm device.
+ *
+ * @dev: exynos drm device object.
+ * @size: user-desired size.
+ * flags: user-desired memory type.
+ *	user can set one or more types among EXYNOS_BO_NONCONTIG and
+ *	EXYNOS_BO_CONTIG and it would be used for EXYNOS_BO_NONCONTIG
+ *	as default.
+ *
+ *	EXYNOS_BO_NONCONTIG: Physically Non-continuous Memory type.
+ *	EXYNOS_BO_CONTIG: Physically Continuous Memory type.
+ *
+ * if true, return a exynos buffer object else NULL.
+ */
+struct exynos_bo * exynos_bo_create(struct exynos_device *dev,
+						size_t size, uint32_t flags)
+{
+	struct exynos_bo *bo;
+	struct drm_exynos_gem_create req = {
+		.size = size,
+		.flags = flags,
+	};
+
+	if (size == 0) {
+		fprintf(stderr, "invalid size.\n");
+		goto fail;
+	}
+
+	bo = calloc(sizeof(*bo), 1);
+	if (!bo) {
+		fprintf(stderr, "failed to create bo[%s].\n",
+				strerror(errno));
+		goto err_free_bo;
+	}
+
+	bo->dev = dev;
+
+	if (drmCommandWriteRead(dev->fd, DRM_EXYNOS_GEM_CREATE, &req,
+					sizeof(req))) {
+		fprintf(stderr, "failed to create gem object[%s].\n",
+				strerror(errno));
+		goto err_free_bo;
+	}
+
+	bo->handle = req.handle;
+
+	return bo;
+
+err_free_bo:
+	free(bo);
+fail:
+	return NULL;
+}
+
+/*
+ * Destroy a exynos buffer object.
+ *
+ * @bo: a exynos buffer object to be destroyed.
+ */
+void exynos_bo_destroy(struct exynos_bo *bo)
+{
+	if (!bo)
+		return;
+
+	if (bo->map)
+		munmap(bo->map, bo->size);
+
+	if (bo->handle) {
+		struct drm_gem_close req = {
+			.handle = bo->handle,
+		};
+
+		drmIoctl(bo->dev->fd, DRM_IOCTL_GEM_CLOSE, &req);
+	}
+
+	free(bo);
+}
+
+
+/*
+ * Get a exynos buffer object from a gem global object name.
+ *
+ * @dev: a exynos device object.
+ * @name: a gem global object name exported by another process.
+ *
+ * this interface is used to get a exynos buffer object from a gem
+ * global object name sent by another process for buffer sharing.
+ *
+ * if true, return a exynos buffer object else NULL.
+ *
+ */
+struct exynos_bo * exynos_bo_from_name(struct exynos_device *dev, uint32_t name)
+{
+	struct exynos_bo *bo;
+	struct drm_gem_open req = {
+		.name = name,
+	};
+
+	bo = calloc(sizeof(*bo), 1);
+	if (!bo) {
+		fprintf(stderr, "failed to allocate bo[%s].\n",
+				strerror(errno));
+		return NULL;
+	}
+
+	if (drmIoctl(dev->fd, DRM_IOCTL_GEM_OPEN, &req)) {
+		fprintf(stderr, "failed to open gem object[%s].\n",
+				strerror(errno));
+		goto err_free_bo;
+	}
+
+	bo->dev = dev;
+	bo->name = name;
+	bo->handle = req.handle;
+
+	return bo;
+
+err_free_bo:
+	free(bo);
+	return NULL;
+}
+
+/*
+ * Get a gem global object name from a gem object handle.
+ *
+ * @bo: a exynos buffer object including gem handle.
+ * @name: a gem global object name to be got by kernel driver.
+ *
+ * this interface is used to get a gem global object name from a gem object
+ * handle to a buffer that wants to share it with another process.
+ *
+ * if true, return 0 else negative.
+ */
+int exynos_bo_get_name(struct exynos_bo *bo, uint32_t *name)
+{
+	if (!bo->name) {
+		struct drm_gem_flink req = {
+			.handle = bo->handle,
+		};
+		int ret;
+
+		ret = drmIoctl(bo->dev->fd, DRM_IOCTL_GEM_FLINK, &req);
+		if (ret) {
+			fprintf(stderr, "failed to get gem global name[%s].\n",
+					strerror(errno));
+			return ret;
+		}
+
+		bo->name = req.name;
+	}
+
+	*name = bo->name;
+
+	return 0;
+}
+
+uint32_t exynos_bo_handle(struct exynos_bo *bo)
+{
+	return bo->handle;
+}
+
+/*
+ * Mmap a buffer to user space.
+ *
+ * @bo: a exynos buffer object including a gem object handle to be mmapped
+ *	to user space.
+ *
+ * if true, user pointer mmaped else NULL.
+ */
+void *exynos_bo_map(struct exynos_bo *bo)
+{
+	if (!bo->map) {
+		struct exynos_device *dev = bo->dev;
+		struct drm_exynos_gem_mmap req = {
+			.handle = bo->handle,
+			.size	= bo->size,
+		};
+		int ret;
+
+		ret = drmCommandWriteRead(dev->fd, DRM_EXYNOS_GEM_MMAP, &req,
+					sizeof(req));
+		if (ret) {
+			fprintf(stderr, "failed to mmap[%s].\n",
+				strerror(errno));
+			return NULL;
+		}
+	}
+
+	return bo->map;
+}
+
+/*
+ * Request Wireless Display connection or disconnection.
+ *
+ * @dev: a exynos device object.
+ * @connect: indicate whether connectoin or disconnection request.
+ * @ext: indicate whether edid data includes extentions data or not.
+ * @edid: a pointer to edid data from Wireless Display device.
+ *
+ * this interface is used to request Virtual Display driver connection or
+ * disconnection. for this, user should get a edid data from the Wireless
+ * Display device and then send that data to kernel driver with connection
+ * request
+ *
+ * if true, return 0 else negative.
+ */
+int exynos_vidi_connection(struct exynos_device *dev, uint32_t connect,
+				uint32_t ext, void *edid)
+{
+	struct drm_exynos_vidi_connection req = {
+		.connection	= connect,
+		.extensions	= ext,
+		.edid		= edid,
+	};
+	int ret;
+
+	ret = drmCommandWriteRead(dev->fd, DRM_EXYNOS_VIDI_CONNECTION, &req,
+				sizeof(req));
+	if (ret) {
+		fprintf(stderr, "failed to request vidi connection[%s].\n",
+				strerror(errno));
+		return ret;
+	}
+
+	return 0;
+}
diff --git a/exynos/exynos_drm.h b/exynos/exynos_drm.h
new file mode 100644
index 0000000..09f8723
--- /dev/null
+++ b/exynos/exynos_drm.h
@@ -0,0 +1,127 @@
+/* exynos_drm.h
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * Authors:
+ *	Inki Dae <inki.dae@samsung.com>
+ *	Joonyoung Shim <jy0922.shim@samsung.com>
+ *	Seung-Woo Kim <sw0312.kim@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.
+ */
+
+#ifndef _EXYNOS_DRM_H_
+#define _EXYNOS_DRM_H_
+
+/**
+ * User-desired buffer creation information structure.
+ *
+ * @size: user-desired memory allocation size.
+ *	- this size value would be page-aligned internally.
+ * @flags: user request for setting memory type or cache attributes.
+ * @handle: returned a handle to created gem object.
+ *	- this handle will be set by gem module of kernel side.
+ */
+struct drm_exynos_gem_create {
+	uint64_t size;
+	unsigned int flags;
+	unsigned int handle;
+};
+
+/**
+ * A structure for getting buffer offset.
+ *
+ * @handle: a pointer to gem object created.
+ * @pad: just padding to be 64-bit aligned.
+ * @offset: relatived offset value of the memory region allocated.
+ *	- this value should be set by user.
+ */
+struct drm_exynos_gem_map_off {
+	unsigned int handle;
+	unsigned int pad;
+	uint64_t offset;
+};
+
+/**
+ * A structure for mapping buffer.
+ *
+ * @handle: a handle to gem object created.
+ * @size: memory size to be mapped.
+ * @mapped: having user virtual address mmaped.
+ *	- this variable would be filled by exynos gem module
+ *	of kernel side with user virtual address which is allocated
+ *	by do_mmap().
+ */
+struct drm_exynos_gem_mmap {
+	unsigned int handle;
+	unsigned int size;
+	uint64_t mapped;
+};
+
+/**
+ * A structure for user connection request of virtual display.
+ *
+ * @connection: indicate whether doing connetion or not by user.
+ * @extensions: if this value is 1 then the vidi driver would need additional
+ *	128bytes edid data.
+ * @edid: the edid data pointer from user side.
+ */
+struct drm_exynos_vidi_connection {
+	unsigned int connection;
+	unsigned int extensions;
+	uint64_t *edid;
+};
+
+struct drm_exynos_plane_set_zpos {
+	__u32 plane_id;
+	__s32 zpos;
+};
+
+/* memory type definitions. */
+enum e_drm_exynos_gem_mem_type {
+	/* Physically Continuous memory and used as default. */
+	EXYNOS_BO_CONTIG	= 0 << 0,
+	/* Physically Non-Continuous memory. */
+	EXYNOS_BO_NONCONTIG	= 1 << 0,
+	EXYNOS_BO_MASK		= EXYNOS_BO_NONCONTIG
+};
+
+#define DRM_EXYNOS_GEM_CREATE		0x00
+#define DRM_EXYNOS_GEM_MAP_OFFSET	0x01
+#define DRM_EXYNOS_GEM_MMAP		0x02
+/* Reserved 0x03 ~ 0x05 for exynos specific gem ioctl */
+#define DRM_EXYNOS_PLANE_SET_ZPOS	0x06
+#define DRM_EXYNOS_VIDI_CONNECTION	0x07
+
+#define DRM_IOCTL_EXYNOS_GEM_CREATE		DRM_IOWR(DRM_COMMAND_BASE + \
+		DRM_EXYNOS_GEM_CREATE, struct drm_exynos_gem_create)
+
+#define DRM_IOCTL_EXYNOS_GEM_MAP_OFFSET	DRM_IOWR(DRM_COMMAND_BASE + \
+		DRM_EXYNOS_GEM_MAP_OFFSET, struct drm_exynos_gem_map_off)
+
+#define DRM_IOCTL_EXYNOS_GEM_MMAP	DRM_IOWR(DRM_COMMAND_BASE + \
+		DRM_EXYNOS_GEM_MMAP, struct drm_exynos_gem_mmap)
+
+#define DRM_IOCTL_EXYNOS_PLANE_SET_ZPOS	DRM_IOWR(DRM_COMMAND_BASE + \
+		DRM_EXYNOS_PLANE_SET_ZPOS, struct drm_exynos_plane_set_zpos)
+
+#define DRM_IOCTL_EXYNOS_VIDI_CONNECTION	DRM_IOWR(DRM_COMMAND_BASE + \
+		DRM_EXYNOS_VIDI_CONNECTION, struct drm_exynos_vidi_connection)
+
+#endif
diff --git a/exynos/exynos_drmif.h b/exynos/exynos_drmif.h
new file mode 100644
index 0000000..0f58083
--- /dev/null
+++ b/exynos/exynos_drmif.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2012 Samsung Electronics Co., 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.
+ *
+ * Authors:
+ *    Inki Dae <inki.dae@samsung.com>
+ */
+
+#ifndef EXYNOS_DRMIF_H_
+#define EXYNOS_DRMIF_H_
+
+#include <xf86drm.h>
+#include <stdint.h>
+#include "exynos_drm.h"
+
+struct exynos_bo;
+struct exynos_device;
+
+/*
+ * device related functions:
+ */
+struct exynos_device * exynos_device_create(int fd);
+void exynos_device_destroy(struct exynos_device *dev);
+
+/*
+ * buffer-object related functions:
+ */
+struct exynos_bo * exynos_bo_create(struct exynos_device *dev,
+		uint32_t size, uint32_t flags);
+void exynos_bo_destroy(struct exynos_bo *bo);
+struct exynos_bo * exynos_bo_from_name(struct exynos_device *dev, uint32_t name);
+int exynos_bo_get_name(struct exynos_bo *bo, uint32_t *name);
+uint32_t exynos_bo_handle(struct exynos_bo *bo);
+void * exynos_bo_map(struct exynos_bo *bo);
+
+/*
+ * Virtual Display related functions:
+ */
+int exynos_vidi_connection(struct exynos_device *dev, uint32_t connect,
+				uint32_t ext, void *edid);
+
+#endif /* EXYNOS_DRMIF_H_ */
diff --git a/exynos/libdrm_exynos.pc.in b/exynos/libdrm_exynos.pc.in
new file mode 100644
index 0000000..5ce9118
--- /dev/null
+++ b/exynos/libdrm_exynos.pc.in
@@ -0,0 +1,11 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: libdrm_exynos
+Description: Userspace interface to exynos kernel DRM services
+Version: 0.6
+Libs: -L${libdir} -ldrm_exynos
+Cflags: -I${includedir} -I${includedir}/libdrm -I${includedir}/exynos
+Requires.private: libdrm
diff --git a/tests/modetest/modetest.c b/tests/modetest/modetest.c
index 1e4ec91..c5aa194 100644
--- a/tests/modetest/modetest.c
+++ b/tests/modetest/modetest.c
@@ -721,7 +721,7 @@ int main(int argc, char **argv)
 	int c;
 	int encoders = 0, connectors = 0, crtcs = 0, framebuffers = 0;
 	int test_vsync = 0;
-	char *modules[] = { "i915", "radeon", "nouveau", "vmwgfx", "omapdrm" };
+	char *modules[] = { "i915", "radeon", "nouveau", "vmwgfx", "omapdrm", "exynos" };
 	char *modeset = NULL;
 	int i, count = 0;
 	struct connector con_args[2];
diff --git a/tests/vbltest/vbltest.c b/tests/vbltest/vbltest.c
index 903ca0f..4fccd59 100644
--- a/tests/vbltest/vbltest.c
+++ b/tests/vbltest/vbltest.c
@@ -103,7 +103,7 @@ static void usage(char *name)
 int main(int argc, char **argv)
 {
 	int i, c, fd, ret;
-	char *modules[] = { "i915", "radeon", "nouveau", "vmwgfx" };
+	char *modules[] = { "i915", "radeon", "nouveau", "vmwgfx", "exynos" };
 	drmVBlank vbl;
 	drmEventContext evctx;
 	struct vbl_info handler_info;
-- 
1.7.4.1

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