diff -urp ./src/drmmode_display.c ./src/drmmode_display.c
--- ./src/drmmode_display.c	2011-08-10 15:44:37.000000000 +0000
+++ ./src/drmmode_display.c	2011-09-29 06:52:38.000000000 +0000
@@ -1389,7 +1389,8 @@ Bool drmmode_pre_init(ScrnInfoPtr pScrn,
 	if (!drmmode->mode_res)
 		return FALSE;
 
-	xf86CrtcSetSizeRange(pScrn, 320, 200, drmmode->mode_res->max_width, drmmode->mode_res->max_height);
+	xf86CrtcSetSizeRange(pScrn, 160, 100, drmmode->mode_res->max_width, drmmode->mode_res->max_height);
+	xf86DrvMsg(pScrn->scrnIndex, X_INFO, "arcade-drm: range min set (160x100)\n");
 	for (i = 0; i < drmmode->mode_res->count_crtcs; i++)
 		if (!xf86IsEntityShared(pScrn->entityList[0]) || pScrn->confScreen->device->screen == i)
 			drmmode_crtc_init(pScrn, drmmode, i);
diff -urp ./src/radeon_driver.c ./src/radeon_driver.c
--- ./src/radeon_driver.c	2011-08-10 15:44:37.000000000 +0000
+++ ./src/radeon_driver.c	2011-09-29 06:56:46.000000000 +0000
@@ -3182,11 +3182,13 @@ Bool RADEONPreInit(ScrnInfoPtr pScrn, in
 
     RADEONPreInitColorTiling(pScrn);
 
-    if (IS_AVIVO_VARIANT)
-	xf86CrtcSetSizeRange (pScrn, 320, 200, 8192, 8192);
-    else
-	xf86CrtcSetSizeRange (pScrn, 320, 200, 4096, 4096);
-
+    if (IS_AVIVO_VARIANT) {
+	xf86CrtcSetSizeRange (pScrn, 160, 100, 8192, 8192);
+	xf86DrvMsg(pScrn->scrnIndex, X_INFO, "arcade-driver: (avivo) range min set (160x100)\n");
+    } else {
+	xf86CrtcSetSizeRange (pScrn, 160, 100, 4096, 4096);
+	xf86DrvMsg(pScrn->scrnIndex, X_INFO, "arcade-driver: range min set (160x100)\n");
+    }
     RADEONPreInitDDC(pScrn);
 
     if (!RADEONPreInitControllers(pScrn))