diff --git a/tests/modetest/buffers.c b/tests/modetest/buffers.c
index 165b9529..81ca77ff 100644
--- a/tests/modetest/buffers.c
+++ b/tests/modetest/buffers.c
@@ -114,7 +114,8 @@ struct bo *
 bo_create(int fd, unsigned int format,
 	  unsigned int width, unsigned int height,
 	  unsigned int handles[4], unsigned int pitches[4],
-	  unsigned int offsets[4], enum util_fill_pattern pattern)
+	  unsigned int offsets[4], enum util_fill_pattern pattern,
+	  unsigned long seed)
 {
 	unsigned int virtual_height, xsub, ysub;
 	struct bo *bo;
@@ -386,7 +387,7 @@ bo_create(int fd, unsigned int format,
 		break;
 	}
 
-	util_fill_pattern(format, pattern, planes, width, height, pitches[0]);
+	util_fill_pattern(format, pattern, planes, width, height, pitches[0], seed);
 	bo_unmap(bo);
 
 	return bo;
diff --git a/tests/modetest/buffers.h b/tests/modetest/buffers.h
index cbd54e9e..d7db67bf 100644
--- a/tests/modetest/buffers.h
+++ b/tests/modetest/buffers.h
@@ -34,7 +34,8 @@ struct bo;
 struct bo *bo_create(int fd, unsigned int format,
 		   unsigned int width, unsigned int height,
 		   unsigned int handles[4], unsigned int pitches[4],
-		   unsigned int offsets[4], enum util_fill_pattern pattern);
+		   unsigned int offsets[4], enum util_fill_pattern pattern,
+		   unsigned long seed);
 void bo_destroy(struct bo *bo);
 void bo_dump(struct bo *bo, const char *filename);
 
diff --git a/tests/modetest/modetest.c b/tests/modetest/modetest.c
index d9e761e6..24c0e2dc 100644
--- a/tests/modetest/modetest.c
+++ b/tests/modetest/modetest.c
@@ -70,6 +70,7 @@
 
 static enum util_fill_pattern primary_fill = UTIL_PATTERN_SMPTE;
 static enum util_fill_pattern secondary_fill = UTIL_PATTERN_TILES;
+static unsigned long pattern_seed = 0;
 static drmModeModeInfo user_mode;
 
 struct crtc {
@@ -1199,7 +1200,7 @@ bo_fb_create(int fd, unsigned int fourcc, const uint32_t w, const uint32_t h,
 	struct bo *bo;
 	unsigned int fb_id;
 
-	bo = bo_create(fd, fourcc, w, h, handles, pitches, offsets, pat);
+	bo = bo_create(fd, fourcc, w, h, handles, pitches, offsets, pat, pattern_seed);
 
 	if (bo == NULL)
 		return -1;
@@ -1857,7 +1858,7 @@ static void set_cursors(struct device *dev, struct pipe_arg *pipes, unsigned int
 	 * translucent alpha
 	 */
 	bo = bo_create(dev->fd, DRM_FORMAT_ARGB8888, cw, ch, handles, pitches,
-		       offsets, UTIL_PATTERN_PLAIN);
+		       offsets, UTIL_PATTERN_PLAIN, pattern_seed);
 	if (bo == NULL)
 		return;
 
@@ -2126,6 +2127,16 @@ static void parse_fill_patterns(char *arg)
 	secondary_fill = util_pattern_enum(fill);
 }
 
+static void parse_seed(const char *arg)
+{
+	unsigned long seed;
+	char *rest;
+
+	seed = strtoul(arg, &rest, 10);
+	if (arg != rest)
+		pattern_seed = seed;
+}
+
 static void usage(char *name)
 {
 	fprintf(stderr, "usage: %s [-acDdefMoPpsCvrw]\n", name);
@@ -2149,6 +2160,7 @@ static void usage(char *name)
 	fprintf(stderr, "\t-w <obj_id>:<prop_name>:<value>\tset property, see 'property'\n");
 	fprintf(stderr, "\t-a \tuse atomic API\n");
 	fprintf(stderr, "\t-F pattern1,pattern2\tspecify fill patterns\n");
+	fprintf(stderr, "\t-S <random seed>\tspecify seed of noise patterns\n");
 	fprintf(stderr, "\t-o <desired file path> \t Dump writeback output buffer to file\n");
 
 	fprintf(stderr, "\n Generic options:\n\n");
@@ -2179,7 +2191,7 @@ static void usage(char *name)
 	exit(0);
 }
 
-static char optstr[] = "acdD:efF:M:P:ps:Cvrw:o:";
+static char optstr[] = "acdD:efF:M:P:ps:Cvrw:o:S:";
 
 int main(int argc, char **argv)
 {
@@ -2276,6 +2288,9 @@ int main(int argc, char **argv)
 
 			count++;
 			break;
+		case 'S':
+			parse_seed(optarg);
+			break;
 		case 'C':
 			test_cursor = 1;
 			break;
diff --git a/tests/util/pattern.c b/tests/util/pattern.c
index 7c78c81b..30284dc3 100644
--- a/tests/util/pattern.c
+++ b/tests/util/pattern.c
@@ -29,6 +29,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <time.h>
 
 #include <drm_fourcc.h>
 
@@ -2136,13 +2137,14 @@ static void fill_simple_patterns(const struct util_format_info *info,
  * @width: Width in pixels
  * @height: Height in pixels
  * @stride: Line stride (pitch) in bytes
+ * @seed: Seed for noise patterns if zero a default time based seed will be used
  *
  * Fill the buffers with the test pattern specified by the pattern parameter.
  * Supported formats vary depending on the selected pattern.
  */
 void util_fill_pattern(uint32_t format, enum util_fill_pattern pattern,
 		       void *planes[3], unsigned int width,
-		       unsigned int height, unsigned int stride)
+		       unsigned int height, unsigned int stride, unsigned long seed)
 {
 	const struct util_format_info *info;
 
@@ -2150,6 +2152,18 @@ void util_fill_pattern(uint32_t format, enum util_fill_pattern pattern,
 	if (info == NULL)
 		return;
 
+	switch (pattern) {
+	case UTIL_PATTERN_NOISE:
+	case UTIL_PATTERN_NOISE_COLOR:
+		if (!seed)
+			seed = time(NULL);
+		srand(seed);
+		printf("Seed used for noise patterns %lu\n", seed);
+		break;
+	default:
+		break;
+	}
+
 	switch (pattern) {
 	case UTIL_PATTERN_TILES:
 		return fill_tiles(info, planes, width, height, stride);
diff --git a/tests/util/pattern.h b/tests/util/pattern.h
index 13fd8dc8..064e5a99 100644
--- a/tests/util/pattern.h
+++ b/tests/util/pattern.h
@@ -40,7 +40,7 @@ enum util_fill_pattern {
 
 void util_fill_pattern(uint32_t format, enum util_fill_pattern pattern,
 		       void *planes[3], unsigned int width,
-		       unsigned int height, unsigned int stride);
+		       unsigned int height, unsigned int stride, unsigned long seed);
 
 void util_smpte_fill_lut(unsigned int ncolors, struct drm_color_lut *lut);