diff --git a/tests/modetest/modetest.c b/tests/modetest/modetest.c
index b70fb10..2a04459 100644
--- a/tests/modetest/modetest.c
+++ b/tests/modetest/modetest.c
@@ -629,6 +629,9 @@ static const struct format_info format_info[] = {
 	{ DRM_FORMAT_XRGB1555, "XR15", MAKE_RGB_INFO(5, 10, 5, 5, 5, 0, 0, 0) },
 	{ DRM_FORMAT_RGB888, "RG24", MAKE_RGB_INFO(8, 16, 8, 8, 8, 0, 0, 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) },
+	{ 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) },
 };
 
 unsigned int format_fourcc(const char *name)
@@ -915,35 +918,36 @@ fill_smpte_rgb24(const struct rgb_info *rgb, void *mem,
 
 static void
 fill_smpte_rgb32(const struct rgb_info *rgb, void *mem,
-		 unsigned int width, unsigned int height, unsigned int stride)
+		 unsigned int width, unsigned int height, unsigned int stride,
+		 uint8_t alpha)
 {
 	const uint32_t colors_top[] = {
-		MAKE_RGBA(rgb, 192, 192, 192, 0),	/* grey */
-		MAKE_RGBA(rgb, 192, 192, 0, 0),		/* yellow */
-		MAKE_RGBA(rgb, 0, 192, 192, 0),		/* cyan */
-		MAKE_RGBA(rgb, 0, 192, 0, 0),		/* green */
-		MAKE_RGBA(rgb, 192, 0, 192, 0),		/* magenta */
-		MAKE_RGBA(rgb, 192, 0, 0, 0),		/* red */
-		MAKE_RGBA(rgb, 0, 0, 192, 0),		/* blue */
+		MAKE_RGBA(rgb, 192, 192, 192, alpha),	/* grey */
+		MAKE_RGBA(rgb, 192, 192, 0, alpha),	/* yellow */
+		MAKE_RGBA(rgb, 0, 192, 192, alpha),	/* cyan */
+		MAKE_RGBA(rgb, 0, 192, 0, alpha),	/* green */
+		MAKE_RGBA(rgb, 192, 0, 192, alpha),	/* magenta */
+		MAKE_RGBA(rgb, 192, 0, 0, alpha),	/* red */
+		MAKE_RGBA(rgb, 0, 0, 192, alpha),	/* blue */
 	};
 	const uint32_t colors_middle[] = {
-		MAKE_RGBA(rgb, 0, 0, 192, 0),		/* blue */
-		MAKE_RGBA(rgb, 19, 19, 19, 0),		/* black */
-		MAKE_RGBA(rgb, 192, 0, 192, 0),		/* magenta */
-		MAKE_RGBA(rgb, 19, 19, 19, 0),		/* black */
-		MAKE_RGBA(rgb, 0, 192, 192, 0),		/* cyan */
-		MAKE_RGBA(rgb, 19, 19, 19, 0),		/* black */
-		MAKE_RGBA(rgb, 192, 192, 192, 0),	/* grey */
+		MAKE_RGBA(rgb, 0, 0, 192, alpha),	/* blue */
+		MAKE_RGBA(rgb, 19, 19, 19, alpha),	/* black */
+		MAKE_RGBA(rgb, 192, 0, 192, alpha),	/* magenta */
+		MAKE_RGBA(rgb, 19, 19, 19, alpha),	/* black */
+		MAKE_RGBA(rgb, 0, 192, 192, alpha),	/* cyan */
+		MAKE_RGBA(rgb, 19, 19, 19, alpha),	/* black */
+		MAKE_RGBA(rgb, 192, 192, 192, alpha),	/* grey */
 	};
 	const uint32_t colors_bottom[] = {
-		MAKE_RGBA(rgb, 0, 33, 76, 0),		/* in-phase */
-		MAKE_RGBA(rgb, 255, 255, 255, 0),	/* super white */
-		MAKE_RGBA(rgb, 50, 0, 106, 0),		/* quadrature */
-		MAKE_RGBA(rgb, 19, 19, 19, 0),		/* black */
-		MAKE_RGBA(rgb, 9, 9, 9, 0),		/* 3.5% */
-		MAKE_RGBA(rgb, 19, 19, 19, 0),		/* 7.5% */
-		MAKE_RGBA(rgb, 29, 29, 29, 0),		/* 11.5% */
-		MAKE_RGBA(rgb, 19, 19, 19, 0),		/* black */
+		MAKE_RGBA(rgb, 0, 33, 76, alpha),	/* in-phase */
+		MAKE_RGBA(rgb, 255, 255, 255, alpha),	/* super white */
+		MAKE_RGBA(rgb, 50, 0, 106, alpha),	/* quadrature */
+		MAKE_RGBA(rgb, 19, 19, 19, alpha),	/* black */
+		MAKE_RGBA(rgb, 9, 9, 9, alpha),		/* 3.5% */
+		MAKE_RGBA(rgb, 19, 19, 19, alpha),	/* 7.5% */
+		MAKE_RGBA(rgb, 29, 29, 29, alpha),	/* 11.5% */
+		MAKE_RGBA(rgb, 19, 19, 19, alpha),	/* black */
 	};
 	unsigned int x;
 	unsigned int y;
@@ -992,10 +996,12 @@ fill_smpte(const struct format_info *info, void *planes[3], unsigned int width,
 	case DRM_FORMAT_BGR888:
 		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);
+					width, height, stride, 255);
 	}
 }
 
@@ -1085,9 +1091,9 @@ fill_tile_xrgb8888(unsigned char *virtual, int width, int height, int stride)
 		uint32_t *ptr = (uint32_t*)((char*)virtual + j * stride);
 		for (i = 0; i < width; i++) {
 			div_t d = div(i, width);
-			ptr[i] =
-				0x00130502 * (d.quot >> 6) +
-				0x000a1120 * (d.rem >> 6);
+			ptr[i] = 0xff000000
+			       | (0x00130502 * (d.quot >> 6) +
+			          0x000a1120 * (d.rem >> 6));
 		}
 	}
 
@@ -1116,6 +1122,7 @@ fill_tiles(const struct format_info *info, void *planes[3], unsigned int width,
 	case DRM_FORMAT_ARGB1555:
 	case DRM_FORMAT_XRGB1555:
 		return fill_tiles_xrgb1555(planes[0], width, height, stride);
+	case DRM_FORMAT_ARGB8888:
 	case DRM_FORMAT_XRGB8888:
 		return fill_tile_xrgb8888(planes[0], width, height, stride);
 	}
@@ -1293,7 +1300,10 @@ create_test_buffer(struct kms_driver *kms, unsigned int format,
 		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]);
