diff --git a/server.c b/server.c
index 1677672..21795c8 100644
--- a/server.c
+++ b/server.c
@@ -422,9 +422,24 @@ int main(int argc, const char **argv)
     	mmap_size = open_arg.size;
     	mmap_offset = mmap_arg.out.addr_ptr;
     }
-    else if (strcmp(drm_ver->name, "nvidia-drm") == 0) {
-        convert_func = &convert_nv_stripe;
-        vblank_func = &drm_wait_vblank_noop;
+    else {
+        if (strcmp(drm_ver->name, "nvidia-drm") == 0) {
+            // quirky
+            convert_func = &convert_nv_stripe;
+            vblank_func = &drm_wait_vblank_noop;
+        }
+        else if (strcmp(drm_ver->name, "vmwgfx") == 0) {
+        }
+        else if (strcmp(drm_ver->name, "vboxvideo") == 0) {
+            vblank_func = &drm_wait_vblank_noop;
+        }
+        else if (strcmp(drm_ver->name, "virtio_gpu") == 0) {
+            // virgl does not work
+            vblank_func = &drm_wait_vblank_noop;
+        }
+        else {
+            fprintf(stderr, "Untested drm driver, use at your own risk!\n");
+        }
 
         struct drm_mode_map_dumb mreq;
         memset(&mreq, 0, sizeof(mreq));
@@ -436,10 +451,6 @@ int main(int argc, const char **argv)
     	mmap_size = open_arg.size;
         mmap_offset = mreq.offset;
     }
-    else {
-        fprintf(stderr, "Unimplemented drm driver\n");
-        goto cleanup;
-    }
     if (!mapped) {
         printf("mapping with size = %d, offset = %d, drmfd = %d\n", mmap_size, mmap_offset, drmfd);
 	    mapped = mmap(NULL, mmap_size, PROT_READ, MAP_SHARED, drmfd, mmap_offset);