diff --git a/tests/modetest/Makefile.am b/tests/modetest/Makefile.am
index 2191242..35754a2 100644
--- a/tests/modetest/Makefile.am
+++ b/tests/modetest/Makefile.am
@@ -8,7 +8,7 @@ noinst_PROGRAMS = \
 	modetest
 
 modetest_SOURCES = \
-	modetest.c
+	buffers.c modetest.c
 modetest_LDADD = \
 	$(top_builddir)/libdrm.la \
 	$(top_builddir)/libkms/libkms.la \
diff --git a/tests/modetest/buffers.c b/tests/modetest/buffers.c
new file mode 100644
index 0000000..5086381
--- /dev/null
+++ b/tests/modetest/buffers.c
@@ -0,0 +1,1021 @@
+/*
+ * DRM based mode setting test program
+ * Copyright 2008 Tungsten Graphics
+ *   Jakob Bornecrantz <jakob@tungstengraphics.com>
+ * Copyright 2008 Intel Corporation
+ *   Jesse Barnes <jesse.barnes@intel.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 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 "config.h"
+
+#include <assert.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+
+#include "drm_fourcc.h"
+#include "libkms.h"
+
+#include "buffers.h"
+
+#ifdef HAVE_CAIRO
+#include <math.h>
+#include <cairo.h>
+#endif
+
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+/* -----------------------------------------------------------------------------
+ * Formats
+ */
+
+struct color_component {
+	unsigned int length;
+	unsigned int offset;
+};
+
+struct rgb_info {
+	struct color_component red;
+	struct color_component green;
+	struct color_component blue;
+	struct color_component alpha;
+};
+
+enum yuv_order {
+	YUV_YCbCr = 1,
+	YUV_YCrCb = 2,
+	YUV_YC = 4,
+	YUV_CY = 8,
+};
+
+struct yuv_info {
+	enum yuv_order order;
+	unsigned int xsub;
+	unsigned int ysub;
+	unsigned int chroma_stride;
+};
+
+struct format_info {
+	unsigned int format;
+	const char *name;
+	const struct rgb_info rgb;
+	const struct yuv_info yuv;
+};
+
+#define MAKE_RGB_INFO(rl, ro, bl, bo, gl, go, al, ao) \
+	.rgb = { { (rl), (ro) }, { (bl), (bo) }, { (gl), (go) }, { (al), (ao) } }
+
+#define MAKE_YUV_INFO(order, xsub, ysub, chroma_stride) \
+	.yuv = { (order), (xsub), (ysub), (chroma_stride) }
+
+static const struct format_info format_info[] = {
+	/* YUV packed */
+	{ DRM_FORMAT_UYVY, "UYVY", MAKE_YUV_INFO(YUV_YCbCr | YUV_CY, 2, 2, 2) },
+	{ DRM_FORMAT_VYUY, "VYUY", MAKE_YUV_INFO(YUV_YCrCb | YUV_CY, 2, 2, 2) },
+	{ DRM_FORMAT_YUYV, "YUYV", MAKE_YUV_INFO(YUV_YCbCr | YUV_YC, 2, 2, 2) },
+	{ DRM_FORMAT_YVYU, "YVYU", MAKE_YUV_INFO(YUV_YCrCb | YUV_YC, 2, 2, 2) },
+	/* YUV semi-planar */
+	{ DRM_FORMAT_NV12, "NV12", MAKE_YUV_INFO(YUV_YCbCr, 2, 2, 2) },
+	{ DRM_FORMAT_NV21, "NV21", MAKE_YUV_INFO(YUV_YCrCb, 2, 2, 2) },
+	{ DRM_FORMAT_NV16, "NV16", MAKE_YUV_INFO(YUV_YCbCr, 2, 1, 2) },
+	{ DRM_FORMAT_NV61, "NV61", MAKE_YUV_INFO(YUV_YCrCb, 2, 1, 2) },
+	/* YUV planar */
+	{ DRM_FORMAT_YVU420, "YV12", MAKE_YUV_INFO(YUV_YCrCb, 2, 2, 1) },
+	/* RGB16 */
+	{ DRM_FORMAT_ARGB1555, "AR15", MAKE_RGB_INFO(5, 10, 5, 5, 5, 0, 1, 15) },
+	{ DRM_FORMAT_XRGB1555, "XR15", MAKE_RGB_INFO(5, 10, 5, 5, 5, 0, 0, 0) },
+	{ DRM_FORMAT_RGB565, "RG16", MAKE_RGB_INFO(5, 11, 6, 5, 5, 0, 0, 0) },
+	/* RGB24 */
+	{ DRM_FORMAT_BGR888, "BG24", MAKE_RGB_INFO(8, 0, 8, 8, 8, 16, 0, 0) },
+	{ DRM_FORMAT_RGB888, "RG24", MAKE_RGB_INFO(8, 16, 8, 8, 8, 0, 0, 0) },
+	/* RGB32 */
+	{ DRM_FORMAT_ARGB8888, "AR24", MAKE_RGB_INFO(8, 16, 8, 8, 8, 0, 8, 24) },
+	{ DRM_FORMAT_BGRA8888, "BA24", MAKE_RGB_INFO(8, 8, 8, 16, 8, 24, 8, 0) },
+	{ DRM_FORMAT_XRGB8888, "XR24", MAKE_RGB_INFO(8, 16, 8, 8, 8, 0, 0, 0) },
+	{ DRM_FORMAT_BGRX8888, "BX24", MAKE_RGB_INFO(8, 8, 8, 16, 8, 24, 0, 0) },
+};
+
+unsigned int format_fourcc(const char *name)
+{
+	unsigned int i;
+	for (i = 0; i < ARRAY_SIZE(format_info); i++) {
+		if (!strcmp(format_info[i].name, name))
+			return format_info[i].format;
+	}
+	return 0;
+}
+
+/* -----------------------------------------------------------------------------
+ * Test patterns
+ */
+
+struct color_rgb24 {
+	unsigned int value:24;
+} __attribute__((__packed__));
+
+struct color_yuv {
+	unsigned char y;
+	unsigned char u;
+	unsigned char v;
+};
+
+#define MAKE_YUV_601_Y(r, g, b) \
+	((( 66 * (r) + 129 * (g) +  25 * (b) + 128) >> 8) + 16)
+#define MAKE_YUV_601_U(r, g, b) \
+	(((-38 * (r) -  74 * (g) + 112 * (b) + 128) >> 8) + 128)
+#define MAKE_YUV_601_V(r, g, b) \
+	(((112 * (r) -  94 * (g) -  18 * (b) + 128) >> 8) + 128)
+
+#define MAKE_YUV_601(r, g, b) \
+	{ .y = MAKE_YUV_601_Y(r, g, b), \
+	  .u = MAKE_YUV_601_U(r, g, b), \
+	  .v = MAKE_YUV_601_V(r, g, b) }
+
+#define MAKE_RGBA(rgb, r, g, b, a) \
+	((((r) >> (8 - (rgb)->red.length)) << (rgb)->red.offset) | \
+	 (((g) >> (8 - (rgb)->green.length)) << (rgb)->green.offset) | \
+	 (((b) >> (8 - (rgb)->blue.length)) << (rgb)->blue.offset) | \
+	 (((a) >> (8 - (rgb)->alpha.length)) << (rgb)->alpha.offset))
+
+#define MAKE_RGB24(rgb, r, g, b) \
+	{ .value = MAKE_RGBA(rgb, r, g, b, 0) }
+
+static void
+fill_smpte_yuv_planar(const struct yuv_info *yuv,
+		      unsigned char *y_mem, unsigned char *u_mem,
+		      unsigned char *v_mem, unsigned int width,
+		      unsigned int height, unsigned int stride)
+{
+	const struct color_yuv colors_top[] = {
+		MAKE_YUV_601(191, 192, 192),	/* grey */
+		MAKE_YUV_601(192, 192, 0),	/* yellow */
+		MAKE_YUV_601(0, 192, 192),	/* cyan */
+		MAKE_YUV_601(0, 192, 0),	/* green */
+		MAKE_YUV_601(192, 0, 192),	/* magenta */
+		MAKE_YUV_601(192, 0, 0),	/* red */
+		MAKE_YUV_601(0, 0, 192),	/* blue */
+	};
+	const struct color_yuv colors_middle[] = {
+		MAKE_YUV_601(0, 0, 192),	/* blue */
+		MAKE_YUV_601(19, 19, 19),	/* black */
+		MAKE_YUV_601(192, 0, 192),	/* magenta */
+		MAKE_YUV_601(19, 19, 19),	/* black */
+		MAKE_YUV_601(0, 192, 192),	/* cyan */
+		MAKE_YUV_601(19, 19, 19),	/* black */
+		MAKE_YUV_601(192, 192, 192),	/* grey */
+	};
+	const struct color_yuv colors_bottom[] = {
+		MAKE_YUV_601(0, 33, 76),	/* in-phase */
+		MAKE_YUV_601(255, 255, 255),	/* super white */
+		MAKE_YUV_601(50, 0, 106),	/* quadrature */
+		MAKE_YUV_601(19, 19, 19),	/* black */
+		MAKE_YUV_601(9, 9, 9),		/* 3.5% */
+		MAKE_YUV_601(19, 19, 19),	/* 7.5% */
+		MAKE_YUV_601(29, 29, 29),	/* 11.5% */
+		MAKE_YUV_601(19, 19, 19),	/* black */
+	};
+	unsigned int cs = yuv->chroma_stride;
+	unsigned int xsub = yuv->xsub;
+	unsigned int ysub = yuv->ysub;
+	unsigned int x;
+	unsigned int y;
+
+	/* Luma */
+	for (y = 0; y < height * 6 / 9; ++y) {
+		for (x = 0; x < width; ++x)
+			y_mem[x] = colors_top[x * 7 / width].y;
+		y_mem += stride;
+	}
+
+	for (; y < height * 7 / 9; ++y) {
+		for (x = 0; x < width; ++x)
+			y_mem[x] = colors_middle[x * 7 / width].y;
+		y_mem += stride;
+	}
+
+	for (; y < height; ++y) {
+		for (x = 0; x < width * 5 / 7; ++x)
+			y_mem[x] = colors_bottom[x * 4 / (width * 5 / 7)].y;
+		for (; x < width * 6 / 7; ++x)
+			y_mem[x] = colors_bottom[(x - width * 5 / 7) * 3
+						 / (width / 7) + 4].y;
+		for (; x < width; ++x)
+			y_mem[x] = colors_bottom[7].y;
+		y_mem += stride;
+	}
+
+	/* Chroma */
+	for (y = 0; y < height / ysub * 6 / 9; ++y) {
+		for (x = 0; x < width; x += xsub) {
+			u_mem[x*cs/xsub] = colors_top[x * 7 / width].u;
+			v_mem[x*cs/xsub] = colors_top[x * 7 / width].v;
+		}
+		u_mem += stride * cs / xsub;
+		v_mem += stride * cs / xsub;
+	}
+
+	for (; y < height / ysub * 7 / 9; ++y) {
+		for (x = 0; x < width; x += xsub) {
+			u_mem[x*cs/xsub] = colors_middle[x * 7 / width].u;
+			v_mem[x*cs/xsub] = colors_middle[x * 7 / width].v;
+		}
+		u_mem += stride * cs / xsub;
+		v_mem += stride * cs / xsub;
+	}
+
+	for (; y < height / ysub; ++y) {
+		for (x = 0; x < width * 5 / 7; x += xsub) {
+			u_mem[x*cs/xsub] =
+				colors_bottom[x * 4 / (width * 5 / 7)].u;
+			v_mem[x*cs/xsub] =
+				colors_bottom[x * 4 / (width * 5 / 7)].v;
+		}
+		for (; x < width * 6 / 7; x += xsub) {
+			u_mem[x*cs/xsub] = colors_bottom[(x - width * 5 / 7) *
+							 3 / (width / 7) + 4].u;
+			v_mem[x*cs/xsub] = colors_bottom[(x - width * 5 / 7) *
+							 3 / (width / 7) + 4].v;
+		}
+		for (; x < width; x += xsub) {
+			u_mem[x*cs/xsub] = colors_bottom[7].u;
+			v_mem[x*cs/xsub] = colors_bottom[7].v;
+		}
+		u_mem += stride * cs / xsub;
+		v_mem += stride * cs / xsub;
+	}
+}
+
+static void
+fill_smpte_yuv_packed(const struct yuv_info *yuv, unsigned char *mem,
+		      unsigned int width, unsigned int height,
+		      unsigned int stride)
+{
+	const struct color_yuv colors_top[] = {
+		MAKE_YUV_601(191, 192, 192),	/* grey */
+		MAKE_YUV_601(192, 192, 0),	/* yellow */
+		MAKE_YUV_601(0, 192, 192),	/* cyan */
+		MAKE_YUV_601(0, 192, 0),	/* green */
+		MAKE_YUV_601(192, 0, 192),	/* magenta */
+		MAKE_YUV_601(192, 0, 0),	/* red */
+		MAKE_YUV_601(0, 0, 192),	/* blue */
+	};
+	const struct color_yuv colors_middle[] = {
+		MAKE_YUV_601(0, 0, 192),	/* blue */
+		MAKE_YUV_601(19, 19, 19),	/* black */
+		MAKE_YUV_601(192, 0, 192),	/* magenta */
+		MAKE_YUV_601(19, 19, 19),	/* black */
+		MAKE_YUV_601(0, 192, 192),	/* cyan */
+		MAKE_YUV_601(19, 19, 19),	/* black */
+		MAKE_YUV_601(192, 192, 192),	/* grey */
+	};
+	const struct color_yuv colors_bottom[] = {
+		MAKE_YUV_601(0, 33, 76),	/* in-phase */
+		MAKE_YUV_601(255, 255, 255),	/* super white */
+		MAKE_YUV_601(50, 0, 106),	/* quadrature */
+		MAKE_YUV_601(19, 19, 19),	/* black */
+		MAKE_YUV_601(9, 9, 9),		/* 3.5% */
+		MAKE_YUV_601(19, 19, 19),	/* 7.5% */
+		MAKE_YUV_601(29, 29, 29),	/* 11.5% */
+		MAKE_YUV_601(19, 19, 19),	/* black */
+	};
+	unsigned char *y_mem = (yuv->order & YUV_YC) ? mem : mem + 1;
+	unsigned char *c_mem = (yuv->order & YUV_CY) ? mem : mem + 1;
+	unsigned int u = (yuv->order & YUV_YCrCb) ? 2 : 0;
+	unsigned int v = (yuv->order & YUV_YCbCr) ? 2 : 0;
+	unsigned int x;
+	unsigned int y;
+
+	/* Luma */
+	for (y = 0; y < height * 6 / 9; ++y) {
+		for (x = 0; x < width; ++x)
+			y_mem[2*x] = colors_top[x * 7 / width].y;
+		y_mem += stride * 2;
+	}
+
+	for (; y < height * 7 / 9; ++y) {
+		for (x = 0; x < width; ++x)
+			y_mem[2*x] = colors_middle[x * 7 / width].y;
+		y_mem += stride * 2;
+	}
+
+	for (; y < height; ++y) {
+		for (x = 0; x < width * 5 / 7; ++x)
+			y_mem[2*x] = colors_bottom[x * 4 / (width * 5 / 7)].y;
+		for (; x < width * 6 / 7; ++x)
+			y_mem[2*x] = colors_bottom[(x - width * 5 / 7) * 3
+						   / (width / 7) + 4].y;
+		for (; x < width; ++x)
+			y_mem[2*x] = colors_bottom[7].y;
+		y_mem += stride * 2;
+	}
+
+	/* Chroma */
+	for (y = 0; y < height * 6 / 9; ++y) {
+		for (x = 0; x < width; x += 2) {
+			c_mem[2*x+u] = colors_top[x * 7 / width].u;
+			c_mem[2*x+v] = colors_top[x * 7 / width].v;
+		}
+		c_mem += stride * 2;
+	}
+
+	for (; y < height * 7 / 9; ++y) {
+		for (x = 0; x < width; x += 2) {
+			c_mem[2*x+u] = colors_middle[x * 7 / width].u;
+			c_mem[2*x+v] = colors_middle[x * 7 / width].v;
+		}
+		c_mem += stride * 2;
+	}
+
+	for (; y < height; ++y) {
+		for (x = 0; x < width * 5 / 7; x += 2) {
+			c_mem[2*x+u] = colors_bottom[x * 4 / (width * 5 / 7)].u;
+			c_mem[2*x+v] = colors_bottom[x * 4 / (width * 5 / 7)].v;
+		}
+		for (; x < width * 6 / 7; x += 2) {
+			c_mem[2*x+u] = colors_bottom[(x - width * 5 / 7) *
+						     3 / (width / 7) + 4].u;
+			c_mem[2*x+v] = colors_bottom[(x - width * 5 / 7) *
+						     3 / (width / 7) + 4].v;
+		}
+		for (; x < width; x += 2) {
+			c_mem[2*x+u] = colors_bottom[7].u;
+			c_mem[2*x+v] = colors_bottom[7].v;
+		}
+		c_mem += stride * 2;
+	}
+}
+
+static void
+fill_smpte_rgb16(const struct rgb_info *rgb, unsigned char *mem,
+		 unsigned int width, unsigned int height, unsigned int stride)
+{
+	const uint16_t colors_top[] = {
+		MAKE_RGBA(rgb, 192, 192, 192, 255),	/* grey */
+		MAKE_RGBA(rgb, 192, 192, 0, 255),	/* yellow */
+		MAKE_RGBA(rgb, 0, 192, 192, 255),	/* cyan */
+		MAKE_RGBA(rgb, 0, 192, 0, 255),		/* green */
+		MAKE_RGBA(rgb, 192, 0, 192, 255),	/* magenta */
+		MAKE_RGBA(rgb, 192, 0, 0, 255),		/* red */
+		MAKE_RGBA(rgb, 0, 0, 192, 255),		/* blue */
+	};
+	const uint16_t colors_middle[] = {
+		MAKE_RGBA(rgb, 0, 0, 192, 255),		/* blue */
+		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* black */
+		MAKE_RGBA(rgb, 192, 0, 192, 255),	/* magenta */
+		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* black */
+		MAKE_RGBA(rgb, 0, 192, 192, 255),	/* cyan */
+		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* black */
+		MAKE_RGBA(rgb, 192, 192, 192, 255),	/* grey */
+	};
+	const uint16_t colors_bottom[] = {
+		MAKE_RGBA(rgb, 0, 33, 76, 255),		/* in-phase */
+		MAKE_RGBA(rgb, 255, 255, 255, 255),	/* super white */
+		MAKE_RGBA(rgb, 50, 0, 106, 255),	/* quadrature */
+		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* black */
+		MAKE_RGBA(rgb, 9, 9, 9, 255),		/* 3.5% */
+		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* 7.5% */
+		MAKE_RGBA(rgb, 29, 29, 29, 255),	/* 11.5% */
+		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* black */
+	};
+	unsigned int x;
+	unsigned int y;
+
+	for (y = 0; y < height * 6 / 9; ++y) {
+		for (x = 0; x < width; ++x)
+			((uint16_t *)mem)[x] = colors_top[x * 7 / width];
+		mem += stride;
+	}
+
+	for (; y < height * 7 / 9; ++y) {
+		for (x = 0; x < width; ++x)
+			((uint16_t *)mem)[x] = colors_middle[x * 7 / width];
+		mem += stride;
+	}
+
+	for (; y < height; ++y) {
+		for (x = 0; x < width * 5 / 7; ++x)
+			((uint16_t *)mem)[x] =
+				colors_bottom[x * 4 / (width * 5 / 7)];
+		for (; x < width * 6 / 7; ++x)
+			((uint16_t *)mem)[x] =
+				colors_bottom[(x - width * 5 / 7) * 3
+					      / (width / 7) + 4];
+		for (; x < width; ++x)
+			((uint16_t *)mem)[x] = colors_bottom[7];
+		mem += stride;
+	}
+}
+
+static void
+fill_smpte_rgb24(const struct rgb_info *rgb, void *mem,
+		 unsigned int width, unsigned int height, unsigned int stride)
+{
+	const struct color_rgb24 colors_top[] = {
+		MAKE_RGB24(rgb, 192, 192, 192),	/* grey */
+		MAKE_RGB24(rgb, 192, 192, 0),	/* yellow */
+		MAKE_RGB24(rgb, 0, 192, 192),	/* cyan */
+		MAKE_RGB24(rgb, 0, 192, 0),	/* green */
+		MAKE_RGB24(rgb, 192, 0, 192),	/* magenta */
+		MAKE_RGB24(rgb, 192, 0, 0),	/* red */
+		MAKE_RGB24(rgb, 0, 0, 192),	/* blue */
+	};
+	const struct color_rgb24 colors_middle[] = {
+		MAKE_RGB24(rgb, 0, 0, 192),	/* blue */
+		MAKE_RGB24(rgb, 19, 19, 19),	/* black */
+		MAKE_RGB24(rgb, 192, 0, 192),	/* magenta */
+		MAKE_RGB24(rgb, 19, 19, 19),	/* black */
+		MAKE_RGB24(rgb, 0, 192, 192),	/* cyan */
+		MAKE_RGB24(rgb, 19, 19, 19),	/* black */
+		MAKE_RGB24(rgb, 192, 192, 192),	/* grey */
+	};
+	const struct color_rgb24 colors_bottom[] = {
+		MAKE_RGB24(rgb, 0, 33, 76),	/* in-phase */
+		MAKE_RGB24(rgb, 255, 255, 255),	/* super white */
+		MAKE_RGB24(rgb, 50, 0, 106),	/* quadrature */
+		MAKE_RGB24(rgb, 19, 19, 19),	/* black */
+		MAKE_RGB24(rgb, 9, 9, 9),	/* 3.5% */
+		MAKE_RGB24(rgb, 19, 19, 19),	/* 7.5% */
+		MAKE_RGB24(rgb, 29, 29, 29),	/* 11.5% */
+		MAKE_RGB24(rgb, 19, 19, 19),	/* black */
+	};
+	unsigned int x;
+	unsigned int y;
+
+	for (y = 0; y < height * 6 / 9; ++y) {
+		for (x = 0; x < width; ++x)
+			((struct color_rgb24 *)mem)[x] =
+				colors_top[x * 7 / width];
+		mem += stride;
+	}
+
+	for (; y < height * 7 / 9; ++y) {
+		for (x = 0; x < width; ++x)
+			((struct color_rgb24 *)mem)[x] =
+				colors_middle[x * 7 / width];
+		mem += stride;
+	}
+
+	for (; y < height; ++y) {
+		for (x = 0; x < width * 5 / 7; ++x)
+			((struct color_rgb24 *)mem)[x] =
+				colors_bottom[x * 4 / (width * 5 / 7)];
+		for (; x < width * 6 / 7; ++x)
+			((struct color_rgb24 *)mem)[x] =
+				colors_bottom[(x - width * 5 / 7) * 3
+					      / (width / 7) + 4];
+		for (; x < width; ++x)
+			((struct color_rgb24 *)mem)[x] = colors_bottom[7];
+		mem += stride;
+	}
+}
+
+static void
+fill_smpte_rgb32(const struct rgb_info *rgb, unsigned char *mem,
+		 unsigned int width, unsigned int height, unsigned int stride)
+{
+	const uint32_t colors_top[] = {
+		MAKE_RGBA(rgb, 192, 192, 192, 255),	/* grey */
+		MAKE_RGBA(rgb, 192, 192, 0, 255),	/* yellow */
+		MAKE_RGBA(rgb, 0, 192, 192, 255),	/* cyan */
+		MAKE_RGBA(rgb, 0, 192, 0, 255),		/* green */
+		MAKE_RGBA(rgb, 192, 0, 192, 255),	/* magenta */
+		MAKE_RGBA(rgb, 192, 0, 0, 255),		/* red */
+		MAKE_RGBA(rgb, 0, 0, 192, 255),		/* blue */
+	};
+	const uint32_t colors_middle[] = {
+		MAKE_RGBA(rgb, 0, 0, 192, 255),		/* blue */
+		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* black */
+		MAKE_RGBA(rgb, 192, 0, 192, 255),	/* magenta */
+		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* black */
+		MAKE_RGBA(rgb, 0, 192, 192, 255),	/* cyan */
+		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* black */
+		MAKE_RGBA(rgb, 192, 192, 192, 255),	/* grey */
+	};
+	const uint32_t colors_bottom[] = {
+		MAKE_RGBA(rgb, 0, 33, 76, 255),		/* in-phase */
+		MAKE_RGBA(rgb, 255, 255, 255, 255),	/* super white */
+		MAKE_RGBA(rgb, 50, 0, 106, 255),	/* quadrature */
+		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* black */
+		MAKE_RGBA(rgb, 9, 9, 9, 255),		/* 3.5% */
+		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* 7.5% */
+		MAKE_RGBA(rgb, 29, 29, 29, 255),	/* 11.5% */
+		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* black */
+	};
+	unsigned int x;
+	unsigned int y;
+
+	for (y = 0; y < height * 6 / 9; ++y) {
+		for (x = 0; x < width; ++x)
+			((uint32_t *)mem)[x] = colors_top[x * 7 / width];
+		mem += stride;
+	}
+
+	for (; y < height * 7 / 9; ++y) {
+		for (x = 0; x < width; ++x)
+			((uint32_t *)mem)[x] = colors_middle[x * 7 / width];
+		mem += stride;
+	}
+
+	for (; y < height; ++y) {
+		for (x = 0; x < width * 5 / 7; ++x)
+			((uint32_t *)mem)[x] =
+				colors_bottom[x * 4 / (width * 5 / 7)];
+		for (; x < width * 6 / 7; ++x)
+			((uint32_t *)mem)[x] =
+				colors_bottom[(x - width * 5 / 7) * 3
+					      / (width / 7) + 4];
+		for (; x < width; ++x)
+			((uint32_t *)mem)[x] = colors_bottom[7];
+		mem += stride;
+	}
+}
+
+static void
+fill_smpte(const struct format_info *info, void *planes[3], unsigned int width,
+	   unsigned int height, unsigned int stride)
+{
+	unsigned char *u, *v;
+
+	switch (info->format) {
+	case DRM_FORMAT_UYVY:
+	case DRM_FORMAT_VYUY:
+	case DRM_FORMAT_YUYV:
+	case DRM_FORMAT_YVYU:
+		return fill_smpte_yuv_packed(&info->yuv, planes[0], width,
+					     height, stride);
+
+	case DRM_FORMAT_NV12:
+	case DRM_FORMAT_NV21:
+	case DRM_FORMAT_NV16:
+	case DRM_FORMAT_NV61:
+		u = info->yuv.order & YUV_YCbCr ? planes[1] : planes[1] + 1;
+		v = info->yuv.order & YUV_YCrCb ? planes[1] : planes[1] + 1;
+		return fill_smpte_yuv_planar(&info->yuv, planes[0], u, v,
+					     width, height, stride);
+
+	case DRM_FORMAT_YVU420:
+		return fill_smpte_yuv_planar(&info->yuv, planes[0], planes[1],
+					     planes[2], width, height, stride);
+
+	case DRM_FORMAT_RGB565:
+	case DRM_FORMAT_ARGB1555:
+	case DRM_FORMAT_XRGB1555:
+		return fill_smpte_rgb16(&info->rgb, planes[0],
+					width, height, stride);
+	case DRM_FORMAT_BGR888:
+	case DRM_FORMAT_RGB888:
+		return fill_smpte_rgb24(&info->rgb, planes[0],
+					width, height, stride);
+	case DRM_FORMAT_ARGB8888:
+	case DRM_FORMAT_BGRA8888:
+	case DRM_FORMAT_XRGB8888:
+	case DRM_FORMAT_BGRX8888:
+		return fill_smpte_rgb32(&info->rgb, planes[0],
+					width, height, stride);
+	}
+}
+
+/* swap these for big endian.. */
+#define RED   2
+#define GREEN 1
+#define BLUE  0
+
+static void
+make_pwetty(void *data, int width, int height, int stride)
+{
+#ifdef HAVE_CAIRO
+	cairo_surface_t *surface;
+	cairo_t *cr;
+	int x, y;
+
+	surface = cairo_image_surface_create_for_data(data,
+						      CAIRO_FORMAT_ARGB32,
+						      width, height,
+						      stride);
+	cr = cairo_create(surface);
+	cairo_surface_destroy(surface);
+
+	cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE);
+	for (x = 0; x < width; x += 250)
+		for (y = 0; y < height; y += 250) {
+			char buf[64];
+
+			cairo_move_to(cr, x, y - 20);
+			cairo_line_to(cr, x, y + 20);
+			cairo_move_to(cr, x - 20, y);
+			cairo_line_to(cr, x + 20, y);
+			cairo_new_sub_path(cr);
+			cairo_arc(cr, x, y, 10, 0, M_PI * 2);
+			cairo_set_line_width(cr, 4);
+			cairo_set_source_rgb(cr, 0, 0, 0);
+			cairo_stroke_preserve(cr);
+			cairo_set_source_rgb(cr, 1, 1, 1);
+			cairo_set_line_width(cr, 2);
+			cairo_stroke(cr);
+
+			snprintf(buf, sizeof buf, "%d, %d", x, y);
+			cairo_move_to(cr, x + 20, y + 20);
+			cairo_text_path(cr, buf);
+			cairo_set_source_rgb(cr, 0, 0, 0);
+			cairo_stroke_preserve(cr);
+			cairo_set_source_rgb(cr, 1, 1, 1);
+			cairo_fill(cr);
+		}
+
+	cairo_destroy(cr);
+#endif
+}
+
+static void
+fill_tiles_yuv_planar(const struct yuv_info *yuv,
+		      unsigned char *y_mem, unsigned char *u_mem,
+		      unsigned char *v_mem, unsigned int width,
+		      unsigned int height, unsigned int stride)
+{
+	unsigned int cs = yuv->chroma_stride;
+	unsigned int xsub = yuv->xsub;
+	unsigned int ysub = yuv->ysub;
+	unsigned int x;
+	unsigned int y;
+
+	for (y = 0; y < height; ++y) {
+		for (x = 0; x < width; ++x) {
+			div_t d = div(x+y, width);
+			uint32_t rgb32 = 0x00130502 * (d.quot >> 6)
+				       + 0x000a1120 * (d.rem >> 6);
+			struct color_yuv color =
+				MAKE_YUV_601((rgb32 >> 16) & 0xff,
+					     (rgb32 >> 8) & 0xff, rgb32 & 0xff);
+
+			y_mem[x] = color.y;
+			u_mem[x/xsub*cs] = color.u;
+			v_mem[x/xsub*cs] = color.v;
+		}
+
+		y_mem += stride;
+		if ((y + 1) % ysub == 0) {
+			u_mem += stride * cs / xsub;
+			v_mem += stride * cs / xsub;
+		}
+	}
+}
+
+static void
+fill_tiles_yuv_packed(const struct yuv_info *yuv, unsigned char *mem,
+		      unsigned int width, unsigned int height,
+		      unsigned int stride)
+{
+	unsigned char *y_mem = (yuv->order & YUV_YC) ? mem : mem + 1;
+	unsigned char *c_mem = (yuv->order & YUV_CY) ? mem : mem + 1;
+	unsigned int u = (yuv->order & YUV_YCrCb) ? 2 : 0;
+	unsigned int v = (yuv->order & YUV_YCbCr) ? 2 : 0;
+	unsigned int x;
+	unsigned int y;
+
+	for (y = 0; y < height; ++y) {
+		for (x = 0; x < width; x += 2) {
+			div_t d = div(x+y, width);
+			uint32_t rgb32 = 0x00130502 * (d.quot >> 6)
+				       + 0x000a1120 * (d.rem >> 6);
+			struct color_yuv color =
+				MAKE_YUV_601((rgb32 >> 16) & 0xff,
+					     (rgb32 >> 8) & 0xff, rgb32 & 0xff);
+
+			y_mem[2*x] = color.y;
+			c_mem[2*x+u] = color.u;
+			y_mem[2*x+2] = color.y;
+			c_mem[2*x+v] = color.v;
+		}
+
+		y_mem += stride;
+		c_mem += stride;
+	}
+}
+
+static void
+fill_tiles_rgb16(const struct rgb_info *rgb, unsigned char *mem,
+		 unsigned int width, unsigned int height, unsigned int stride)
+{
+	unsigned int x, y;
+
+	for (y = 0; y < height; ++y) {
+		for (x = 0; x < width; ++x) {
+			div_t d = div(x+y, width);
+			uint32_t rgb32 = 0x00130502 * (d.quot >> 6)
+				       + 0x000a1120 * (d.rem >> 6);
+			uint16_t color =
+				MAKE_RGBA(rgb, (rgb32 >> 16) & 0xff,
+					  (rgb32 >> 8) & 0xff, rgb32 & 0xff,
+					  255);
+
+			((uint16_t *)mem)[x] = color;
+		}
+		mem += stride;
+	}
+}
+
+static void
+fill_tiles_rgb24(const struct rgb_info *rgb, unsigned char *mem,
+		 unsigned int width, unsigned int height, unsigned int stride)
+{
+	unsigned int x, y;
+
+	for (y = 0; y < height; ++y) {
+		for (x = 0; x < width; ++x) {
+			div_t d = div(x+y, width);
+			uint32_t rgb32 = 0x00130502 * (d.quot >> 6)
+				       + 0x000a1120 * (d.rem >> 6);
+			struct color_rgb24 color =
+				MAKE_RGB24(rgb, (rgb32 >> 16) & 0xff,
+					   (rgb32 >> 8) & 0xff, rgb32 & 0xff);
+
+			((struct color_rgb24 *)mem)[x] = color;
+		}
+		mem += stride;
+	}
+}
+
+static void
+fill_tiles_rgb32(const struct rgb_info *rgb, unsigned char *mem,
+		 unsigned int width, unsigned int height, unsigned int stride)
+{
+	unsigned char *mem_base = mem;
+	unsigned int x, y;
+
+	for (y = 0; y < height; ++y) {
+		for (x = 0; x < width; ++x) {
+			div_t d = div(x+y, width);
+			uint32_t rgb32 = 0x00130502 * (d.quot >> 6)
+				       + 0x000a1120 * (d.rem >> 6);
+			uint32_t color =
+				MAKE_RGBA(rgb, (rgb32 >> 16) & 0xff,
+					  (rgb32 >> 8) & 0xff, rgb32 & 0xff,
+					  255);
+
+			((uint32_t *)mem)[x] = color;
+		}
+		mem += stride;
+	}
+
+	make_pwetty(mem_base, width, height, stride);
+}
+
+static void
+fill_tiles(const struct format_info *info, void *planes[3], unsigned int width,
+	   unsigned int height, unsigned int stride)
+{
+	unsigned char *u, *v;
+
+	switch (info->format) {
+	case DRM_FORMAT_UYVY:
+	case DRM_FORMAT_VYUY:
+	case DRM_FORMAT_YUYV:
+	case DRM_FORMAT_YVYU:
+		return fill_tiles_yuv_packed(&info->yuv, planes[0],
+					     width, height, stride);
+
+	case DRM_FORMAT_NV12:
+	case DRM_FORMAT_NV21:
+	case DRM_FORMAT_NV16:
+	case DRM_FORMAT_NV61:
+		u = info->yuv.order & YUV_YCbCr ? planes[1] : planes[1] + 1;
+		v = info->yuv.order & YUV_YCrCb ? planes[1] : planes[1] + 1;
+		return fill_tiles_yuv_planar(&info->yuv, planes[0], u, v,
+					     width, height, stride);
+
+	case DRM_FORMAT_YVU420:
+		return fill_tiles_yuv_planar(&info->yuv, planes[0], planes[1],
+					     planes[2], width, height, stride);
+
+	case DRM_FORMAT_RGB565:
+	case DRM_FORMAT_ARGB1555:
+	case DRM_FORMAT_XRGB1555:
+		return fill_tiles_rgb16(&info->rgb, planes[0],
+					width, height, stride);
+	case DRM_FORMAT_BGR888:
+	case DRM_FORMAT_RGB888:
+		return fill_tiles_rgb24(&info->rgb, planes[0],
+					width, height, stride);
+	case DRM_FORMAT_ARGB8888:
+	case DRM_FORMAT_BGRA8888:
+	case DRM_FORMAT_XRGB8888:
+	case DRM_FORMAT_BGRX8888:
+		return fill_tiles_rgb32(&info->rgb, planes[0],
+					width, height, stride);
+	}
+}
+
+static void
+fill_plain(const struct format_info *info, void *planes[3], unsigned int width,
+	   unsigned int height, unsigned int stride)
+{
+	memset(planes[0], 0x77, stride * height);
+}
+
+/*
+ * fill_pattern - Fill a buffer with a test pattern
+ * @format: Pixel format
+ * @pattern: Test pattern
+ * @buffer: Buffer memory
+ * @width: Width in pixels
+ * @height: Height in pixels
+ * @stride: Line stride (pitch) in bytes
+ *
+ * Fill the buffer with the test pattern specified by the pattern parameter.
+ * Supported formats vary depending on the selected pattern.
+ */
+static void
+fill_pattern(unsigned int format, enum fill_pattern pattern, void *planes[3],
+	     unsigned int width, unsigned int height, unsigned int stride)
+{
+	const struct format_info *info = NULL;
+	unsigned int i;
+
+	for (i = 0; i < ARRAY_SIZE(format_info); ++i) {
+		if (format_info[i].format == format) {
+			info = &format_info[i];
+			break;
+		}
+	}
+
+	if (info == NULL)
+		return;
+
+	switch (pattern) {
+	case PATTERN_TILES:
+		return fill_tiles(info, planes, width, height, stride);
+
+	case PATTERN_SMPTE:
+		return fill_smpte(info, planes, width, height, stride);
+
+	case PATTERN_PLAIN:
+		return fill_plain(info, planes, width, height, stride);
+
+	default:
+		printf("Error: unsupported test pattern %u.\n", pattern);
+		break;
+	}
+}
+
+/* -----------------------------------------------------------------------------
+ * Buffers management
+ */
+
+static struct kms_bo *
+allocate_buffer(struct kms_driver *kms,
+		int width, int height, int *stride)
+{
+	struct kms_bo *bo;
+	unsigned bo_attribs[] = {
+		KMS_WIDTH,   0,
+		KMS_HEIGHT,  0,
+		KMS_BO_TYPE, KMS_BO_TYPE_SCANOUT_X8R8G8B8,
+		KMS_TERMINATE_PROP_LIST
+	};
+	int ret;
+
+	bo_attribs[1] = width;
+	bo_attribs[3] = height;
+
+	ret = kms_bo_create(kms, bo_attribs, &bo);
+	if (ret) {
+		fprintf(stderr, "failed to alloc buffer: %s\n",
+			strerror(-ret));
+		return NULL;
+	}
+
+	ret = kms_bo_get_prop(bo, KMS_PITCH, stride);
+	if (ret) {
+		fprintf(stderr, "failed to retreive buffer stride: %s\n",
+			strerror(-ret));
+		kms_bo_destroy(&bo);
+		return NULL;
+	}
+
+	return bo;
+}
+
+struct kms_bo *
+create_test_buffer(struct kms_driver *kms, unsigned int format,
+		   int width, int height, int handles[4],
+		   int pitches[4], int offsets[4], enum fill_pattern pattern)
+{
+	struct kms_bo *bo;
+	int ret, stride;
+	void *planes[3];
+	void *virtual;
+
+	bo = allocate_buffer(kms, width, height, &pitches[0]);
+	if (!bo)
+		return NULL;
+
+	ret = kms_bo_map(bo, &virtual);
+	if (ret) {
+		fprintf(stderr, "failed to map buffer: %s\n",
+			strerror(-ret));
+		kms_bo_destroy(&bo);
+		return NULL;
+	}
+
+	/* just testing a limited # of formats to test single
+	 * and multi-planar path.. would be nice to add more..
+	 */
+	switch (format) {
+	case DRM_FORMAT_UYVY:
+	case DRM_FORMAT_VYUY:
+	case DRM_FORMAT_YUYV:
+	case DRM_FORMAT_YVYU:
+		pitches[0] = width * 2;
+		offsets[0] = 0;
+		kms_bo_get_prop(bo, KMS_HANDLE, &handles[0]);
+
+		planes[0] = virtual;
+		break;
+
+	case DRM_FORMAT_NV12:
+	case DRM_FORMAT_NV21:
+	case DRM_FORMAT_NV16:
+	case DRM_FORMAT_NV61:
+		pitches[0] = width;
+		offsets[0] = 0;
+		kms_bo_get_prop(bo, KMS_HANDLE, &handles[0]);
+		pitches[1] = width;
+		offsets[1] = width * height;
+		kms_bo_get_prop(bo, KMS_HANDLE, &handles[1]);
+
+		planes[0] = virtual;
+		planes[1] = virtual + offsets[1];
+		break;
+
+	case DRM_FORMAT_YVU420:
+		pitches[0] = width;
+		offsets[0] = 0;
+		kms_bo_get_prop(bo, KMS_HANDLE, &handles[0]);
+		pitches[1] = width / 2;
+		offsets[1] = width * height;
+		kms_bo_get_prop(bo, KMS_HANDLE, &handles[1]);
+		pitches[2] = width / 2;
+		offsets[2] = offsets[1] + (width * height) / 4;
+		kms_bo_get_prop(bo, KMS_HANDLE, &handles[2]);
+
+		planes[0] = virtual;
+		planes[1] = virtual + offsets[1];
+		planes[2] = virtual + offsets[2];
+		break;
+
+	case DRM_FORMAT_RGB565:
+	case DRM_FORMAT_ARGB1555:
+	case DRM_FORMAT_XRGB1555:
+		pitches[0] = width * 2;
+		offsets[0] = 0;
+		kms_bo_get_prop(bo, KMS_HANDLE, &handles[0]);
+
+		planes[0] = virtual;
+		break;
+
+	case DRM_FORMAT_BGR888:
+	case DRM_FORMAT_RGB888:
+		pitches[0] = width * 3;
+		offsets[0] = 0;
+		kms_bo_get_prop(bo, KMS_HANDLE, &handles[0]);
+
+		planes[0] = virtual;
+		break;
+
+	case DRM_FORMAT_ARGB8888:
+	case DRM_FORMAT_BGRA8888:
+	case DRM_FORMAT_XRGB8888:
+	case DRM_FORMAT_BGRX8888:
+		pitches[0] = width * 4;
+		offsets[0] = 0;
+		kms_bo_get_prop(bo, KMS_HANDLE, &handles[0]);
+
+		planes[0] = virtual;
+		break;
+	}
+
+	fill_pattern(format, pattern, planes, width, height, pitches[0]);
+	kms_bo_unmap(bo);
+
+	return bo;
+}
diff --git a/tests/modetest/buffers.h b/tests/modetest/buffers.h
new file mode 100644
index 0000000..2b15ce5
--- /dev/null
+++ b/tests/modetest/buffers.h
@@ -0,0 +1,45 @@
+/*
+ * DRM based mode setting test program
+ * Copyright 2008 Tungsten Graphics
+ *   Jakob Bornecrantz <jakob@tungstengraphics.com>
+ * Copyright 2008 Intel Corporation
+ *   Jesse Barnes <jesse.barnes@intel.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 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.
+ */
+
+#ifndef __BUFFERS_H__
+#define __BUFFERS_H__
+
+struct kms_bo;
+struct kms_driver;
+
+enum fill_pattern {
+	PATTERN_TILES = 0,
+	PATTERN_PLAIN = 1,
+	PATTERN_SMPTE = 2,
+};
+
+struct kms_bo *create_test_buffer(struct kms_driver *kms, unsigned int format,
+		   int width, int height, int handles[4], int pitches[4],
+		   int offsets[4], enum fill_pattern pattern);
+
+unsigned int format_fourcc(const char *name);
+
+#endif
diff --git a/tests/modetest/modetest.c b/tests/modetest/modetest.c
index 3ed39b7..3e74008 100644
--- a/tests/modetest/modetest.c
+++ b/tests/modetest/modetest.c
@@ -55,10 +55,7 @@
 #include "drm_fourcc.h"
 #include "libkms.h"
 
-#ifdef HAVE_CAIRO
-#include <math.h>
-#include <cairo.h>
-#endif
+#include "buffers.h"
 
 drmModeRes *resources;
 int fd, modes;
@@ -584,988 +581,6 @@ connector_find_mode(struct connector *c)
 
 }
 
-/* -----------------------------------------------------------------------------
- * Formats
- */
-
-struct color_component {
-	unsigned int length;
-	unsigned int offset;
-};
-
-struct rgb_info {
-	struct color_component red;
-	struct color_component green;
-	struct color_component blue;
-	struct color_component alpha;
-};
-
-enum yuv_order {
-	YUV_YCbCr = 1,
-	YUV_YCrCb = 2,
-	YUV_YC = 4,
-	YUV_CY = 8,
-};
-
-struct yuv_info {
-	enum yuv_order order;
-	unsigned int xsub;
-	unsigned int ysub;
-	unsigned int chroma_stride;
-};
-
-struct format_info {
-	unsigned int format;
-	const char *name;
-	const struct rgb_info rgb;
-	const struct yuv_info yuv;
-};
-
-#define MAKE_RGB_INFO(rl, ro, bl, bo, gl, go, al, ao) \
-	.rgb = { { (rl), (ro) }, { (bl), (bo) }, { (gl), (go) }, { (al), (ao) } }
-
-#define MAKE_YUV_INFO(order, xsub, ysub, chroma_stride) \
-	.yuv = { (order), (xsub), (ysub), (chroma_stride) }
-
-static const struct format_info format_info[] = {
-	/* YUV packed */
-	{ DRM_FORMAT_UYVY, "UYVY", MAKE_YUV_INFO(YUV_YCbCr | YUV_CY, 2, 2, 2) },
-	{ DRM_FORMAT_VYUY, "VYUY", MAKE_YUV_INFO(YUV_YCrCb | YUV_CY, 2, 2, 2) },
-	{ DRM_FORMAT_YUYV, "YUYV", MAKE_YUV_INFO(YUV_YCbCr | YUV_YC, 2, 2, 2) },
-	{ DRM_FORMAT_YVYU, "YVYU", MAKE_YUV_INFO(YUV_YCrCb | YUV_YC, 2, 2, 2) },
-	/* YUV semi-planar */
-	{ DRM_FORMAT_NV12, "NV12", MAKE_YUV_INFO(YUV_YCbCr, 2, 2, 2) },
-	{ DRM_FORMAT_NV21, "NV21", MAKE_YUV_INFO(YUV_YCrCb, 2, 2, 2) },
-	{ DRM_FORMAT_NV16, "NV16", MAKE_YUV_INFO(YUV_YCbCr, 2, 1, 2) },
-	{ DRM_FORMAT_NV61, "NV61", MAKE_YUV_INFO(YUV_YCrCb, 2, 1, 2) },
-	/* YUV planar */
-	{ DRM_FORMAT_YVU420, "YV12", MAKE_YUV_INFO(YUV_YCrCb, 2, 2, 1) },
-	/* RGB16 */
-	{ DRM_FORMAT_ARGB1555, "AR15", MAKE_RGB_INFO(5, 10, 5, 5, 5, 0, 1, 15) },
-	{ DRM_FORMAT_XRGB1555, "XR15", MAKE_RGB_INFO(5, 10, 5, 5, 5, 0, 0, 0) },
-	{ DRM_FORMAT_RGB565, "RG16", MAKE_RGB_INFO(5, 11, 6, 5, 5, 0, 0, 0) },
-	/* RGB24 */
-	{ DRM_FORMAT_BGR888, "BG24", MAKE_RGB_INFO(8, 0, 8, 8, 8, 16, 0, 0) },
-	{ DRM_FORMAT_RGB888, "RG24", MAKE_RGB_INFO(8, 16, 8, 8, 8, 0, 0, 0) },
-	/* RGB32 */
-	{ DRM_FORMAT_ARGB8888, "AR24", MAKE_RGB_INFO(8, 16, 8, 8, 8, 0, 8, 24) },
-	{ DRM_FORMAT_BGRA8888, "BA24", MAKE_RGB_INFO(8, 8, 8, 16, 8, 24, 8, 0) },
-	{ DRM_FORMAT_XRGB8888, "XR24", MAKE_RGB_INFO(8, 16, 8, 8, 8, 0, 0, 0) },
-	{ DRM_FORMAT_BGRX8888, "BX24", MAKE_RGB_INFO(8, 8, 8, 16, 8, 24, 0, 0) },
-};
-
-unsigned int format_fourcc(const char *name)
-{
-	unsigned int i;
-	for (i = 0; i < ARRAY_SIZE(format_info); i++) {
-		if (!strcmp(format_info[i].name, name))
-			return format_info[i].format;
-	}
-	return 0;
-}
-
-/* -----------------------------------------------------------------------------
- * Test patterns
- */
-
-enum fill_pattern {
-	PATTERN_TILES = 0,
-	PATTERN_PLAIN = 1,
-	PATTERN_SMPTE = 2,
-};
-
-struct color_rgb24 {
-	unsigned int value:24;
-} __attribute__((__packed__));
-
-struct color_yuv {
-	unsigned char y;
-	unsigned char u;
-	unsigned char v;
-};
-
-#define MAKE_YUV_601_Y(r, g, b) \
-	((( 66 * (r) + 129 * (g) +  25 * (b) + 128) >> 8) + 16)
-#define MAKE_YUV_601_U(r, g, b) \
-	(((-38 * (r) -  74 * (g) + 112 * (b) + 128) >> 8) + 128)
-#define MAKE_YUV_601_V(r, g, b) \
-	(((112 * (r) -  94 * (g) -  18 * (b) + 128) >> 8) + 128)
-
-#define MAKE_YUV_601(r, g, b) \
-	{ .y = MAKE_YUV_601_Y(r, g, b), \
-	  .u = MAKE_YUV_601_U(r, g, b), \
-	  .v = MAKE_YUV_601_V(r, g, b) }
-
-#define MAKE_RGBA(rgb, r, g, b, a) \
-	((((r) >> (8 - (rgb)->red.length)) << (rgb)->red.offset) | \
-	 (((g) >> (8 - (rgb)->green.length)) << (rgb)->green.offset) | \
-	 (((b) >> (8 - (rgb)->blue.length)) << (rgb)->blue.offset) | \
-	 (((a) >> (8 - (rgb)->alpha.length)) << (rgb)->alpha.offset))
-
-#define MAKE_RGB24(rgb, r, g, b) \
-	{ .value = MAKE_RGBA(rgb, r, g, b, 0) }
-
-static void
-fill_smpte_yuv_planar(const struct yuv_info *yuv,
-		      unsigned char *y_mem, unsigned char *u_mem,
-		      unsigned char *v_mem, unsigned int width,
-		      unsigned int height, unsigned int stride)
-{
-	const struct color_yuv colors_top[] = {
-		MAKE_YUV_601(191, 192, 192),	/* grey */
-		MAKE_YUV_601(192, 192, 0),	/* yellow */
-		MAKE_YUV_601(0, 192, 192),	/* cyan */
-		MAKE_YUV_601(0, 192, 0),	/* green */
-		MAKE_YUV_601(192, 0, 192),	/* magenta */
-		MAKE_YUV_601(192, 0, 0),	/* red */
-		MAKE_YUV_601(0, 0, 192),	/* blue */
-	};
-	const struct color_yuv colors_middle[] = {
-		MAKE_YUV_601(0, 0, 192),	/* blue */
-		MAKE_YUV_601(19, 19, 19),	/* black */
-		MAKE_YUV_601(192, 0, 192),	/* magenta */
-		MAKE_YUV_601(19, 19, 19),	/* black */
-		MAKE_YUV_601(0, 192, 192),	/* cyan */
-		MAKE_YUV_601(19, 19, 19),	/* black */
-		MAKE_YUV_601(192, 192, 192),	/* grey */
-	};
-	const struct color_yuv colors_bottom[] = {
-		MAKE_YUV_601(0, 33, 76),	/* in-phase */
-		MAKE_YUV_601(255, 255, 255),	/* super white */
-		MAKE_YUV_601(50, 0, 106),	/* quadrature */
-		MAKE_YUV_601(19, 19, 19),	/* black */
-		MAKE_YUV_601(9, 9, 9),		/* 3.5% */
-		MAKE_YUV_601(19, 19, 19),	/* 7.5% */
-		MAKE_YUV_601(29, 29, 29),	/* 11.5% */
-		MAKE_YUV_601(19, 19, 19),	/* black */
-	};
-	unsigned int cs = yuv->chroma_stride;
-	unsigned int xsub = yuv->xsub;
-	unsigned int ysub = yuv->ysub;
-	unsigned int x;
-	unsigned int y;
-
-	/* Luma */
-	for (y = 0; y < height * 6 / 9; ++y) {
-		for (x = 0; x < width; ++x)
-			y_mem[x] = colors_top[x * 7 / width].y;
-		y_mem += stride;
-	}
-
-	for (; y < height * 7 / 9; ++y) {
-		for (x = 0; x < width; ++x)
-			y_mem[x] = colors_middle[x * 7 / width].y;
-		y_mem += stride;
-	}
-
-	for (; y < height; ++y) {
-		for (x = 0; x < width * 5 / 7; ++x)
-			y_mem[x] = colors_bottom[x * 4 / (width * 5 / 7)].y;
-		for (; x < width * 6 / 7; ++x)
-			y_mem[x] = colors_bottom[(x - width * 5 / 7) * 3
-						 / (width / 7) + 4].y;
-		for (; x < width; ++x)
-			y_mem[x] = colors_bottom[7].y;
-		y_mem += stride;
-	}
-
-	/* Chroma */
-	for (y = 0; y < height / ysub * 6 / 9; ++y) {
-		for (x = 0; x < width; x += xsub) {
-			u_mem[x*cs/xsub] = colors_top[x * 7 / width].u;
-			v_mem[x*cs/xsub] = colors_top[x * 7 / width].v;
-		}
-		u_mem += stride * cs / xsub;
-		v_mem += stride * cs / xsub;
-	}
-
-	for (; y < height / ysub * 7 / 9; ++y) {
-		for (x = 0; x < width; x += xsub) {
-			u_mem[x*cs/xsub] = colors_middle[x * 7 / width].u;
-			v_mem[x*cs/xsub] = colors_middle[x * 7 / width].v;
-		}
-		u_mem += stride * cs / xsub;
-		v_mem += stride * cs / xsub;
-	}
-
-	for (; y < height / ysub; ++y) {
-		for (x = 0; x < width * 5 / 7; x += xsub) {
-			u_mem[x*cs/xsub] =
-				colors_bottom[x * 4 / (width * 5 / 7)].u;
-			v_mem[x*cs/xsub] =
-				colors_bottom[x * 4 / (width * 5 / 7)].v;
-		}
-		for (; x < width * 6 / 7; x += xsub) {
-			u_mem[x*cs/xsub] = colors_bottom[(x - width * 5 / 7) *
-							 3 / (width / 7) + 4].u;
-			v_mem[x*cs/xsub] = colors_bottom[(x - width * 5 / 7) *
-							 3 / (width / 7) + 4].v;
-		}
-		for (; x < width; x += xsub) {
-			u_mem[x*cs/xsub] = colors_bottom[7].u;
-			v_mem[x*cs/xsub] = colors_bottom[7].v;
-		}
-		u_mem += stride * cs / xsub;
-		v_mem += stride * cs / xsub;
-	}
-}
-
-static void
-fill_smpte_yuv_packed(const struct yuv_info *yuv, unsigned char *mem,
-		      unsigned int width, unsigned int height,
-		      unsigned int stride)
-{
-	const struct color_yuv colors_top[] = {
-		MAKE_YUV_601(191, 192, 192),	/* grey */
-		MAKE_YUV_601(192, 192, 0),	/* yellow */
-		MAKE_YUV_601(0, 192, 192),	/* cyan */
-		MAKE_YUV_601(0, 192, 0),	/* green */
-		MAKE_YUV_601(192, 0, 192),	/* magenta */
-		MAKE_YUV_601(192, 0, 0),	/* red */
-		MAKE_YUV_601(0, 0, 192),	/* blue */
-	};
-	const struct color_yuv colors_middle[] = {
-		MAKE_YUV_601(0, 0, 192),	/* blue */
-		MAKE_YUV_601(19, 19, 19),	/* black */
-		MAKE_YUV_601(192, 0, 192),	/* magenta */
-		MAKE_YUV_601(19, 19, 19),	/* black */
-		MAKE_YUV_601(0, 192, 192),	/* cyan */
-		MAKE_YUV_601(19, 19, 19),	/* black */
-		MAKE_YUV_601(192, 192, 192),	/* grey */
-	};
-	const struct color_yuv colors_bottom[] = {
-		MAKE_YUV_601(0, 33, 76),	/* in-phase */
-		MAKE_YUV_601(255, 255, 255),	/* super white */
-		MAKE_YUV_601(50, 0, 106),	/* quadrature */
-		MAKE_YUV_601(19, 19, 19),	/* black */
-		MAKE_YUV_601(9, 9, 9),		/* 3.5% */
-		MAKE_YUV_601(19, 19, 19),	/* 7.5% */
-		MAKE_YUV_601(29, 29, 29),	/* 11.5% */
-		MAKE_YUV_601(19, 19, 19),	/* black */
-	};
-	unsigned char *y_mem = (yuv->order & YUV_YC) ? mem : mem + 1;
-	unsigned char *c_mem = (yuv->order & YUV_CY) ? mem : mem + 1;
-	unsigned int u = (yuv->order & YUV_YCrCb) ? 2 : 0;
-	unsigned int v = (yuv->order & YUV_YCbCr) ? 2 : 0;
-	unsigned int x;
-	unsigned int y;
-
-	/* Luma */
-	for (y = 0; y < height * 6 / 9; ++y) {
-		for (x = 0; x < width; ++x)
-			y_mem[2*x] = colors_top[x * 7 / width].y;
-		y_mem += stride * 2;
-	}
-
-	for (; y < height * 7 / 9; ++y) {
-		for (x = 0; x < width; ++x)
-			y_mem[2*x] = colors_middle[x * 7 / width].y;
-		y_mem += stride * 2;
-	}
-
-	for (; y < height; ++y) {
-		for (x = 0; x < width * 5 / 7; ++x)
-			y_mem[2*x] = colors_bottom[x * 4 / (width * 5 / 7)].y;
-		for (; x < width * 6 / 7; ++x)
-			y_mem[2*x] = colors_bottom[(x - width * 5 / 7) * 3
-						   / (width / 7) + 4].y;
-		for (; x < width; ++x)
-			y_mem[2*x] = colors_bottom[7].y;
-		y_mem += stride * 2;
-	}
-
-	/* Chroma */
-	for (y = 0; y < height * 6 / 9; ++y) {
-		for (x = 0; x < width; x += 2) {
-			c_mem[2*x+u] = colors_top[x * 7 / width].u;
-			c_mem[2*x+v] = colors_top[x * 7 / width].v;
-		}
-		c_mem += stride * 2;
-	}
-
-	for (; y < height * 7 / 9; ++y) {
-		for (x = 0; x < width; x += 2) {
-			c_mem[2*x+u] = colors_middle[x * 7 / width].u;
-			c_mem[2*x+v] = colors_middle[x * 7 / width].v;
-		}
-		c_mem += stride * 2;
-	}
-
-	for (; y < height; ++y) {
-		for (x = 0; x < width * 5 / 7; x += 2) {
-			c_mem[2*x+u] = colors_bottom[x * 4 / (width * 5 / 7)].u;
-			c_mem[2*x+v] = colors_bottom[x * 4 / (width * 5 / 7)].v;
-		}
-		for (; x < width * 6 / 7; x += 2) {
-			c_mem[2*x+u] = colors_bottom[(x - width * 5 / 7) *
-						     3 / (width / 7) + 4].u;
-			c_mem[2*x+v] = colors_bottom[(x - width * 5 / 7) *
-						     3 / (width / 7) + 4].v;
-		}
-		for (; x < width; x += 2) {
-			c_mem[2*x+u] = colors_bottom[7].u;
-			c_mem[2*x+v] = colors_bottom[7].v;
-		}
-		c_mem += stride * 2;
-	}
-}
-
-static void
-fill_smpte_rgb16(const struct rgb_info *rgb, unsigned char *mem,
-		 unsigned int width, unsigned int height, unsigned int stride)
-{
-	const uint16_t colors_top[] = {
-		MAKE_RGBA(rgb, 192, 192, 192, 255),	/* grey */
-		MAKE_RGBA(rgb, 192, 192, 0, 255),	/* yellow */
-		MAKE_RGBA(rgb, 0, 192, 192, 255),	/* cyan */
-		MAKE_RGBA(rgb, 0, 192, 0, 255),		/* green */
-		MAKE_RGBA(rgb, 192, 0, 192, 255),	/* magenta */
-		MAKE_RGBA(rgb, 192, 0, 0, 255),		/* red */
-		MAKE_RGBA(rgb, 0, 0, 192, 255),		/* blue */
-	};
-	const uint16_t colors_middle[] = {
-		MAKE_RGBA(rgb, 0, 0, 192, 255),		/* blue */
-		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* black */
-		MAKE_RGBA(rgb, 192, 0, 192, 255),	/* magenta */
-		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* black */
-		MAKE_RGBA(rgb, 0, 192, 192, 255),	/* cyan */
-		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* black */
-		MAKE_RGBA(rgb, 192, 192, 192, 255),	/* grey */
-	};
-	const uint16_t colors_bottom[] = {
-		MAKE_RGBA(rgb, 0, 33, 76, 255),		/* in-phase */
-		MAKE_RGBA(rgb, 255, 255, 255, 255),	/* super white */
-		MAKE_RGBA(rgb, 50, 0, 106, 255),	/* quadrature */
-		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* black */
-		MAKE_RGBA(rgb, 9, 9, 9, 255),		/* 3.5% */
-		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* 7.5% */
-		MAKE_RGBA(rgb, 29, 29, 29, 255),	/* 11.5% */
-		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* black */
-	};
-	unsigned int x;
-	unsigned int y;
-
-	for (y = 0; y < height * 6 / 9; ++y) {
-		for (x = 0; x < width; ++x)
-			((uint16_t *)mem)[x] = colors_top[x * 7 / width];
-		mem += stride;
-	}
-
-	for (; y < height * 7 / 9; ++y) {
-		for (x = 0; x < width; ++x)
-			((uint16_t *)mem)[x] = colors_middle[x * 7 / width];
-		mem += stride;
-	}
-
-	for (; y < height; ++y) {
-		for (x = 0; x < width * 5 / 7; ++x)
-			((uint16_t *)mem)[x] =
-				colors_bottom[x * 4 / (width * 5 / 7)];
-		for (; x < width * 6 / 7; ++x)
-			((uint16_t *)mem)[x] =
-				colors_bottom[(x - width * 5 / 7) * 3
-					      / (width / 7) + 4];
-		for (; x < width; ++x)
-			((uint16_t *)mem)[x] = colors_bottom[7];
-		mem += stride;
-	}
-}
-
-static void
-fill_smpte_rgb24(const struct rgb_info *rgb, void *mem,
-		 unsigned int width, unsigned int height, unsigned int stride)
-{
-	const struct color_rgb24 colors_top[] = {
-		MAKE_RGB24(rgb, 192, 192, 192),	/* grey */
-		MAKE_RGB24(rgb, 192, 192, 0),	/* yellow */
-		MAKE_RGB24(rgb, 0, 192, 192),	/* cyan */
-		MAKE_RGB24(rgb, 0, 192, 0),	/* green */
-		MAKE_RGB24(rgb, 192, 0, 192),	/* magenta */
-		MAKE_RGB24(rgb, 192, 0, 0),	/* red */
-		MAKE_RGB24(rgb, 0, 0, 192),	/* blue */
-	};
-	const struct color_rgb24 colors_middle[] = {
-		MAKE_RGB24(rgb, 0, 0, 192),	/* blue */
-		MAKE_RGB24(rgb, 19, 19, 19),	/* black */
-		MAKE_RGB24(rgb, 192, 0, 192),	/* magenta */
-		MAKE_RGB24(rgb, 19, 19, 19),	/* black */
-		MAKE_RGB24(rgb, 0, 192, 192),	/* cyan */
-		MAKE_RGB24(rgb, 19, 19, 19),	/* black */
-		MAKE_RGB24(rgb, 192, 192, 192),	/* grey */
-	};
-	const struct color_rgb24 colors_bottom[] = {
-		MAKE_RGB24(rgb, 0, 33, 76),	/* in-phase */
-		MAKE_RGB24(rgb, 255, 255, 255),	/* super white */
-		MAKE_RGB24(rgb, 50, 0, 106),	/* quadrature */
-		MAKE_RGB24(rgb, 19, 19, 19),	/* black */
-		MAKE_RGB24(rgb, 9, 9, 9),	/* 3.5% */
-		MAKE_RGB24(rgb, 19, 19, 19),	/* 7.5% */
-		MAKE_RGB24(rgb, 29, 29, 29),	/* 11.5% */
-		MAKE_RGB24(rgb, 19, 19, 19),	/* black */
-	};
-	unsigned int x;
-	unsigned int y;
-
-	for (y = 0; y < height * 6 / 9; ++y) {
-		for (x = 0; x < width; ++x)
-			((struct color_rgb24 *)mem)[x] =
-				colors_top[x * 7 / width];
-		mem += stride;
-	}
-
-	for (; y < height * 7 / 9; ++y) {
-		for (x = 0; x < width; ++x)
-			((struct color_rgb24 *)mem)[x] =
-				colors_middle[x * 7 / width];
-		mem += stride;
-	}
-
-	for (; y < height; ++y) {
-		for (x = 0; x < width * 5 / 7; ++x)
-			((struct color_rgb24 *)mem)[x] =
-				colors_bottom[x * 4 / (width * 5 / 7)];
-		for (; x < width * 6 / 7; ++x)
-			((struct color_rgb24 *)mem)[x] =
-				colors_bottom[(x - width * 5 / 7) * 3
-					      / (width / 7) + 4];
-		for (; x < width; ++x)
-			((struct color_rgb24 *)mem)[x] = colors_bottom[7];
-		mem += stride;
-	}
-}
-
-static void
-fill_smpte_rgb32(const struct rgb_info *rgb, unsigned char *mem,
-		 unsigned int width, unsigned int height, unsigned int stride)
-{
-	const uint32_t colors_top[] = {
-		MAKE_RGBA(rgb, 192, 192, 192, 255),	/* grey */
-		MAKE_RGBA(rgb, 192, 192, 0, 255),	/* yellow */
-		MAKE_RGBA(rgb, 0, 192, 192, 255),	/* cyan */
-		MAKE_RGBA(rgb, 0, 192, 0, 255),		/* green */
-		MAKE_RGBA(rgb, 192, 0, 192, 255),	/* magenta */
-		MAKE_RGBA(rgb, 192, 0, 0, 255),		/* red */
-		MAKE_RGBA(rgb, 0, 0, 192, 255),		/* blue */
-	};
-	const uint32_t colors_middle[] = {
-		MAKE_RGBA(rgb, 0, 0, 192, 255),		/* blue */
-		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* black */
-		MAKE_RGBA(rgb, 192, 0, 192, 255),	/* magenta */
-		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* black */
-		MAKE_RGBA(rgb, 0, 192, 192, 255),	/* cyan */
-		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* black */
-		MAKE_RGBA(rgb, 192, 192, 192, 255),	/* grey */
-	};
-	const uint32_t colors_bottom[] = {
-		MAKE_RGBA(rgb, 0, 33, 76, 255),		/* in-phase */
-		MAKE_RGBA(rgb, 255, 255, 255, 255),	/* super white */
-		MAKE_RGBA(rgb, 50, 0, 106, 255),	/* quadrature */
-		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* black */
-		MAKE_RGBA(rgb, 9, 9, 9, 255),		/* 3.5% */
-		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* 7.5% */
-		MAKE_RGBA(rgb, 29, 29, 29, 255),	/* 11.5% */
-		MAKE_RGBA(rgb, 19, 19, 19, 255),	/* black */
-	};
-	unsigned int x;
-	unsigned int y;
-
-	for (y = 0; y < height * 6 / 9; ++y) {
-		for (x = 0; x < width; ++x)
-			((uint32_t *)mem)[x] = colors_top[x * 7 / width];
-		mem += stride;
-	}
-
-	for (; y < height * 7 / 9; ++y) {
-		for (x = 0; x < width; ++x)
-			((uint32_t *)mem)[x] = colors_middle[x * 7 / width];
-		mem += stride;
-	}
-
-	for (; y < height; ++y) {
-		for (x = 0; x < width * 5 / 7; ++x)
-			((uint32_t *)mem)[x] =
-				colors_bottom[x * 4 / (width * 5 / 7)];
-		for (; x < width * 6 / 7; ++x)
-			((uint32_t *)mem)[x] =
-				colors_bottom[(x - width * 5 / 7) * 3
-					      / (width / 7) + 4];
-		for (; x < width; ++x)
-			((uint32_t *)mem)[x] = colors_bottom[7];
-		mem += stride;
-	}
-}
-
-static void
-fill_smpte(const struct format_info *info, void *planes[3], unsigned int width,
-	   unsigned int height, unsigned int stride)
-{
-	unsigned char *u, *v;
-
-	switch (info->format) {
-	case DRM_FORMAT_UYVY:
-	case DRM_FORMAT_VYUY:
-	case DRM_FORMAT_YUYV:
-	case DRM_FORMAT_YVYU:
-		return fill_smpte_yuv_packed(&info->yuv, planes[0], width,
-					     height, stride);
-
-	case DRM_FORMAT_NV12:
-	case DRM_FORMAT_NV21:
-	case DRM_FORMAT_NV16:
-	case DRM_FORMAT_NV61:
-		u = info->yuv.order & YUV_YCbCr ? planes[1] : planes[1] + 1;
-		v = info->yuv.order & YUV_YCrCb ? planes[1] : planes[1] + 1;
-		return fill_smpte_yuv_planar(&info->yuv, planes[0], u, v,
-					     width, height, stride);
-
-	case DRM_FORMAT_YVU420:
-		return fill_smpte_yuv_planar(&info->yuv, planes[0], planes[1],
-					     planes[2], width, height, stride);
-
-	case DRM_FORMAT_RGB565:
-	case DRM_FORMAT_ARGB1555:
-	case DRM_FORMAT_XRGB1555:
-		return fill_smpte_rgb16(&info->rgb, planes[0],
-					width, height, stride);
-	case DRM_FORMAT_BGR888:
-	case DRM_FORMAT_RGB888:
-		return fill_smpte_rgb24(&info->rgb, planes[0],
-					width, height, stride);
-	case DRM_FORMAT_ARGB8888:
-	case DRM_FORMAT_BGRA8888:
-	case DRM_FORMAT_XRGB8888:
-	case DRM_FORMAT_BGRX8888:
-		return fill_smpte_rgb32(&info->rgb, planes[0],
-					width, height, stride);
-	}
-}
-
-/* swap these for big endian.. */
-#define RED   2
-#define GREEN 1
-#define BLUE  0
-
-static void
-make_pwetty(void *data, int width, int height, int stride)
-{
-#ifdef HAVE_CAIRO
-	cairo_surface_t *surface;
-	cairo_t *cr;
-	int x, y;
-
-	surface = cairo_image_surface_create_for_data(data,
-						      CAIRO_FORMAT_ARGB32,
-						      width, height,
-						      stride);
-	cr = cairo_create(surface);
-	cairo_surface_destroy(surface);
-
-	cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE);
-	for (x = 0; x < width; x += 250)
-		for (y = 0; y < height; y += 250) {
-			char buf[64];
-
-			cairo_move_to(cr, x, y - 20);
-			cairo_line_to(cr, x, y + 20);
-			cairo_move_to(cr, x - 20, y);
-			cairo_line_to(cr, x + 20, y);
-			cairo_new_sub_path(cr);
-			cairo_arc(cr, x, y, 10, 0, M_PI * 2);
-			cairo_set_line_width(cr, 4);
-			cairo_set_source_rgb(cr, 0, 0, 0);
-			cairo_stroke_preserve(cr);
-			cairo_set_source_rgb(cr, 1, 1, 1);
-			cairo_set_line_width(cr, 2);
-			cairo_stroke(cr);
-
-			snprintf(buf, sizeof buf, "%d, %d", x, y);
-			cairo_move_to(cr, x + 20, y + 20);
-			cairo_text_path(cr, buf);
-			cairo_set_source_rgb(cr, 0, 0, 0);
-			cairo_stroke_preserve(cr);
-			cairo_set_source_rgb(cr, 1, 1, 1);
-			cairo_fill(cr);
-		}
-
-	cairo_destroy(cr);
-#endif
-}
-
-static void
-fill_tiles_yuv_planar(const struct yuv_info *yuv,
-		      unsigned char *y_mem, unsigned char *u_mem,
-		      unsigned char *v_mem, unsigned int width,
-		      unsigned int height, unsigned int stride)
-{
-	unsigned int cs = yuv->chroma_stride;
-	unsigned int xsub = yuv->xsub;
-	unsigned int ysub = yuv->ysub;
-	unsigned int x;
-	unsigned int y;
-
-	for (y = 0; y < height; ++y) {
-		for (x = 0; x < width; ++x) {
-			div_t d = div(x+y, width);
-			uint32_t rgb32 = 0x00130502 * (d.quot >> 6)
-				       + 0x000a1120 * (d.rem >> 6);
-			struct color_yuv color =
-				MAKE_YUV_601((rgb32 >> 16) & 0xff,
-					     (rgb32 >> 8) & 0xff, rgb32 & 0xff);
-
-			y_mem[x] = color.y;
-			u_mem[x/xsub*cs] = color.u;
-			v_mem[x/xsub*cs] = color.v;
-		}
-
-		y_mem += stride;
-		if ((y + 1) % ysub == 0) {
-			u_mem += stride * cs / xsub;
-			v_mem += stride * cs / xsub;
-		}
-	}
-}
-
-static void
-fill_tiles_yuv_packed(const struct yuv_info *yuv, unsigned char *mem,
-		      unsigned int width, unsigned int height,
-		      unsigned int stride)
-{
-	unsigned char *y_mem = (yuv->order & YUV_YC) ? mem : mem + 1;
-	unsigned char *c_mem = (yuv->order & YUV_CY) ? mem : mem + 1;
-	unsigned int u = (yuv->order & YUV_YCrCb) ? 2 : 0;
-	unsigned int v = (yuv->order & YUV_YCbCr) ? 2 : 0;
-	unsigned int x;
-	unsigned int y;
-
-	for (y = 0; y < height; ++y) {
-		for (x = 0; x < width; x += 2) {
-			div_t d = div(x+y, width);
-			uint32_t rgb32 = 0x00130502 * (d.quot >> 6)
-				       + 0x000a1120 * (d.rem >> 6);
-			struct color_yuv color =
-				MAKE_YUV_601((rgb32 >> 16) & 0xff,
-					     (rgb32 >> 8) & 0xff, rgb32 & 0xff);
-
-			y_mem[2*x] = color.y;
-			c_mem[2*x+u] = color.u;
-			y_mem[2*x+2] = color.y;
-			c_mem[2*x+v] = color.v;
-		}
-
-		y_mem += stride;
-		c_mem += stride;
-	}
-}
-
-static void
-fill_tiles_rgb16(const struct rgb_info *rgb, unsigned char *mem,
-		 unsigned int width, unsigned int height, unsigned int stride)
-{
-	unsigned int x, y;
-
-	for (y = 0; y < height; ++y) {
-		for (x = 0; x < width; ++x) {
-			div_t d = div(x+y, width);
-			uint32_t rgb32 = 0x00130502 * (d.quot >> 6)
-				       + 0x000a1120 * (d.rem >> 6);
-			uint16_t color =
-				MAKE_RGBA(rgb, (rgb32 >> 16) & 0xff,
-					  (rgb32 >> 8) & 0xff, rgb32 & 0xff,
-					  255);
-
-			((uint16_t *)mem)[x] = color;
-		}
-		mem += stride;
-	}
-}
-
-static void
-fill_tiles_rgb24(const struct rgb_info *rgb, unsigned char *mem,
-		 unsigned int width, unsigned int height, unsigned int stride)
-{
-	unsigned int x, y;
-
-	for (y = 0; y < height; ++y) {
-		for (x = 0; x < width; ++x) {
-			div_t d = div(x+y, width);
-			uint32_t rgb32 = 0x00130502 * (d.quot >> 6)
-				       + 0x000a1120 * (d.rem >> 6);
-			struct color_rgb24 color =
-				MAKE_RGB24(rgb, (rgb32 >> 16) & 0xff,
-					   (rgb32 >> 8) & 0xff, rgb32 & 0xff);
-
-			((struct color_rgb24 *)mem)[x] = color;
-		}
-		mem += stride;
-	}
-}
-
-static void
-fill_tiles_rgb32(const struct rgb_info *rgb, unsigned char *mem,
-		 unsigned int width, unsigned int height, unsigned int stride)
-{
-	unsigned char *mem_base = mem;
-	unsigned int x, y;
-
-	for (y = 0; y < height; ++y) {
-		for (x = 0; x < width; ++x) {
-			div_t d = div(x+y, width);
-			uint32_t rgb32 = 0x00130502 * (d.quot >> 6)
-				       + 0x000a1120 * (d.rem >> 6);
-			uint32_t color =
-				MAKE_RGBA(rgb, (rgb32 >> 16) & 0xff,
-					  (rgb32 >> 8) & 0xff, rgb32 & 0xff,
-					  255);
-
-			((uint32_t *)mem)[x] = color;
-		}
-		mem += stride;
-	}
-
-	make_pwetty(mem_base, width, height, stride);
-}
-
-static void
-fill_tiles(const struct format_info *info, void *planes[3], unsigned int width,
-	   unsigned int height, unsigned int stride)
-{
-	unsigned char *u, *v;
-
-	switch (info->format) {
-	case DRM_FORMAT_UYVY:
-	case DRM_FORMAT_VYUY:
-	case DRM_FORMAT_YUYV:
-	case DRM_FORMAT_YVYU:
-		return fill_tiles_yuv_packed(&info->yuv, planes[0],
-					     width, height, stride);
-
-	case DRM_FORMAT_NV12:
-	case DRM_FORMAT_NV21:
-	case DRM_FORMAT_NV16:
-	case DRM_FORMAT_NV61:
-		u = info->yuv.order & YUV_YCbCr ? planes[1] : planes[1] + 1;
-		v = info->yuv.order & YUV_YCrCb ? planes[1] : planes[1] + 1;
-		return fill_tiles_yuv_planar(&info->yuv, planes[0], u, v,
-					     width, height, stride);
-
-	case DRM_FORMAT_YVU420:
-		return fill_tiles_yuv_planar(&info->yuv, planes[0], planes[1],
-					     planes[2], width, height, stride);
-
-	case DRM_FORMAT_RGB565:
-	case DRM_FORMAT_ARGB1555:
-	case DRM_FORMAT_XRGB1555:
-		return fill_tiles_rgb16(&info->rgb, planes[0],
-					width, height, stride);
-	case DRM_FORMAT_BGR888:
-	case DRM_FORMAT_RGB888:
-		return fill_tiles_rgb24(&info->rgb, planes[0],
-					width, height, stride);
-	case DRM_FORMAT_ARGB8888:
-	case DRM_FORMAT_BGRA8888:
-	case DRM_FORMAT_XRGB8888:
-	case DRM_FORMAT_BGRX8888:
-		return fill_tiles_rgb32(&info->rgb, planes[0],
-					width, height, stride);
-	}
-}
-
-static void
-fill_plain(const struct format_info *info, void *planes[3], unsigned int width,
-	   unsigned int height, unsigned int stride)
-{
-	memset(planes[0], 0x77, stride * height);
-}
-
-/*
- * fill_pattern - Fill a buffer with a test pattern
- * @format: Pixel format
- * @pattern: Test pattern
- * @buffer: Buffer memory
- * @width: Width in pixels
- * @height: Height in pixels
- * @stride: Line stride (pitch) in bytes
- *
- * Fill the buffer with the test pattern specified by the pattern parameter.
- * Supported formats vary depending on the selected pattern.
- */
-static void
-fill_pattern(unsigned int format, enum fill_pattern pattern,
-	     void *planes[3],
-	     unsigned int width, unsigned int height, unsigned int stride)
-{
-	const struct format_info *info = NULL;
-	unsigned int i;
-
-	for (i = 0; i < ARRAY_SIZE(format_info); ++i) {
-		if (format_info[i].format == format) {
-			info = &format_info[i];
-			break;
-		}
-	}
-
-	if (info == NULL)
-		return;
-
-	switch (pattern) {
-	case PATTERN_TILES:
-		return fill_tiles(info, planes, width, height, stride);
-
-	case PATTERN_SMPTE:
-		return fill_smpte(info, planes, width, height, stride);
-
-	case PATTERN_PLAIN:
-		return fill_plain(info, planes, width, height, stride);
-
-	default:
-		printf("Error: unsupported test pattern %u.\n", pattern);
-		break;
-	}
-}
-
-/* -----------------------------------------------------------------------------
- * Buffers management
- */
-
-static struct kms_bo *
-allocate_buffer(struct kms_driver *kms,
-		int width, int height, int *stride)
-{
-	struct kms_bo *bo;
-	unsigned bo_attribs[] = {
-		KMS_WIDTH,   0,
-		KMS_HEIGHT,  0,
-		KMS_BO_TYPE, KMS_BO_TYPE_SCANOUT_X8R8G8B8,
-		KMS_TERMINATE_PROP_LIST
-	};
-	int ret;
-
-	bo_attribs[1] = width;
-	bo_attribs[3] = height;
-
-	ret = kms_bo_create(kms, bo_attribs, &bo);
-	if (ret) {
-		fprintf(stderr, "failed to alloc buffer: %s\n",
-			strerror(-ret));
-		return NULL;
-	}
-
-	ret = kms_bo_get_prop(bo, KMS_PITCH, stride);
-	if (ret) {
-		fprintf(stderr, "failed to retreive buffer stride: %s\n",
-			strerror(-ret));
-		kms_bo_destroy(&bo);
-		return NULL;
-	}
-
-	return bo;
-}
-
-static struct kms_bo *
-create_test_buffer(struct kms_driver *kms, unsigned int format,
-		   int width, int height, int handles[4],
-		   int pitches[4], int offsets[4], enum fill_pattern pattern)
-{
-	struct kms_bo *bo;
-	int ret, stride;
-	void *planes[3];
-	void *virtual;
-
-	bo = allocate_buffer(kms, width, height, &pitches[0]);
-	if (!bo)
-		return NULL;
-
-	ret = kms_bo_map(bo, &virtual);
-	if (ret) {
-		fprintf(stderr, "failed to map buffer: %s\n",
-			strerror(-ret));
-		kms_bo_destroy(&bo);
-		return NULL;
-	}
-
-	/* just testing a limited # of formats to test single
-	 * and multi-planar path.. would be nice to add more..
-	 */
-	switch (format) {
-	case DRM_FORMAT_UYVY:
-	case DRM_FORMAT_VYUY:
-	case DRM_FORMAT_YUYV:
-	case DRM_FORMAT_YVYU:
-		pitches[0] = width * 2;
-		offsets[0] = 0;
-		kms_bo_get_prop(bo, KMS_HANDLE, &handles[0]);
-
-		planes[0] = virtual;
-		break;
-
-	case DRM_FORMAT_NV12:
-	case DRM_FORMAT_NV21:
-	case DRM_FORMAT_NV16:
-	case DRM_FORMAT_NV61:
-		pitches[0] = width;
-		offsets[0] = 0;
-		kms_bo_get_prop(bo, KMS_HANDLE, &handles[0]);
-		pitches[1] = width;
-		offsets[1] = width * height;
-		kms_bo_get_prop(bo, KMS_HANDLE, &handles[1]);
-
-		planes[0] = virtual;
-		planes[1] = virtual + offsets[1];
-		break;
-
-	case DRM_FORMAT_YVU420:
-		pitches[0] = width;
-		offsets[0] = 0;
-		kms_bo_get_prop(bo, KMS_HANDLE, &handles[0]);
-		pitches[1] = width / 2;
-		offsets[1] = width * height;
-		kms_bo_get_prop(bo, KMS_HANDLE, &handles[1]);
-		pitches[2] = width / 2;
-		offsets[2] = offsets[1] + (width * height) / 4;
-		kms_bo_get_prop(bo, KMS_HANDLE, &handles[2]);
-
-		planes[0] = virtual;
-		planes[1] = virtual + offsets[1];
-		planes[2] = virtual + offsets[2];
-		break;
-
-	case DRM_FORMAT_RGB565:
-	case DRM_FORMAT_ARGB1555:
-	case DRM_FORMAT_XRGB1555:
-		pitches[0] = width * 2;
-		offsets[0] = 0;
-		kms_bo_get_prop(bo, KMS_HANDLE, &handles[0]);
-
-		planes[0] = virtual;
-		break;
-
-	case DRM_FORMAT_BGR888:
-	case DRM_FORMAT_RGB888:
-		pitches[0] = width * 3;
-		offsets[0] = 0;
-		kms_bo_get_prop(bo, KMS_HANDLE, &handles[0]);
-
-		planes[0] = virtual;
-		break;
-
-	case DRM_FORMAT_ARGB8888:
-	case DRM_FORMAT_BGRA8888:
-	case DRM_FORMAT_XRGB8888:
-	case DRM_FORMAT_BGRX8888:
-		pitches[0] = width * 4;
-		offsets[0] = 0;
-		kms_bo_get_prop(bo, KMS_HANDLE, &handles[0]);
-
-		planes[0] = virtual;
-		break;
-	}
-
-	fill_pattern(format, pattern, planes, width, height, pitches[0]);
-	kms_bo_unmap(bo);
-
-	return bo;
-}
-
 /* -------------------------------------------------------------------------- */
 
 void
