diff --git a/src/xrt/compositor/main/comp_compositor.h b/src/xrt/compositor/main/comp_compositor.h
index 7ffea4a87..88681088a 100644
--- a/src/xrt/compositor/main/comp_compositor.h
+++ b/src/xrt/compositor/main/comp_compositor.h
@@ -221,6 +221,18 @@ comp_compositor_print(struct comp_compositor *c,
 		}                                                              \
 	} while (false)
 
+/*!
+ * Mode printing.
+ *
+ * @ingroup comp
+ */
+#define COMP_PRINT_MODE(c, ...)                                                \
+	do {                                                                   \
+		if (c->settings.print_modes) {                                 \
+			comp_compositor_print(c, __func__, __VA_ARGS__);       \
+		}                                                              \
+	} while (false)
+
 /*!
  * Error level logging.
  *
diff --git a/src/xrt/compositor/main/comp_settings.c b/src/xrt/compositor/main/comp_settings.c
index bceffab92..1c62c5f18 100644
--- a/src/xrt/compositor/main/comp_settings.c
+++ b/src/xrt/compositor/main/comp_settings.c
@@ -13,6 +13,7 @@
 // clang-format off
 DEBUG_GET_ONCE_BOOL_OPTION(print_spew, "XRT_COMPOSITOR_PRINT_SPEW", false)
 DEBUG_GET_ONCE_BOOL_OPTION(print_debug, "XRT_COMPOSITOR_PRINT_DEBUG", false)
+DEBUG_GET_ONCE_BOOL_OPTION(print_modes, "XRT_COMPOSITOR_PRINT_MODES", false)
 DEBUG_GET_ONCE_BOOL_OPTION(force_randr, "XRT_COMPOSITOR_FORCE_RANDR", false)
 DEBUG_GET_ONCE_BOOL_OPTION(force_nvidia, "XRT_COMPOSITOR_FORCE_NVIDIA", false)
 DEBUG_GET_ONCE_BOOL_OPTION(force_xcb, "XRT_COMPOSITOR_FORCE_XCB", false)
@@ -44,6 +45,7 @@ comp_settings_init(struct comp_settings *s, struct xrt_device *xdev)
 	s->nominal_frame_interval_ns = interval_ns;
 	s->print_spew = debug_get_bool_option_print_spew();
 	s->print_debug = debug_get_bool_option_print_debug();
+	s->print_modes = debug_get_bool_option_print_modes();
 	s->validate_vulkan = debug_get_bool_option_validate_vulkan();
 	s->gpu_index = debug_get_num_option_force_gpu_index();
 	s->debug.wireframe = debug_get_bool_option_wireframe();
diff --git a/src/xrt/compositor/main/comp_settings.h b/src/xrt/compositor/main/comp_settings.h
index dbd03f57a..a697b3c92 100644
--- a/src/xrt/compositor/main/comp_settings.h
+++ b/src/xrt/compositor/main/comp_settings.h
@@ -82,6 +82,9 @@ struct comp_settings
 	//! Should we debug print.
 	bool print_debug;
 
+	//! Print information about available modes for direct mode.
+	bool print_modes;
+
 	//! Should we flip y axis for compositor buffers (for GL)
 	bool flip_y;
 
diff --git a/src/xrt/compositor/main/comp_window_direct_mode.cpp b/src/xrt/compositor/main/comp_window_direct_mode.cpp
index 7f2c646f2..a4b044d7e 100644
--- a/src/xrt/compositor/main/comp_window_direct_mode.cpp
+++ b/src/xrt/compositor/main/comp_window_direct_mode.cpp
@@ -428,6 +428,24 @@ choose_best_vk_mode_auto(struct comp_window_direct *w,
 	return best_mode.index;
 }
 
+static void
+print_modes(struct comp_window_direct *w,
+            VkDisplayModePropertiesKHR *mode_properties,
+            int mode_count)
+{
+	COMP_PRINT_MODE(w->base.c, "Available Vk modes for direct mode");
+	for (int i = 0; i < mode_count; i++) {
+		VkDisplayModePropertiesKHR props = mode_properties[i];
+		uint16_t width = props.parameters.visibleRegion.width;
+		uint16_t height = props.parameters.visibleRegion.height;
+		float refresh = (float)props.parameters.refreshRate / 1000.;
+
+		COMP_PRINT_MODE(w->base.c, "| %2d | %dx%d@%.2f", i, width,
+		                height, refresh);
+	}
+	COMP_PRINT_MODE(w->base.c, "Listed %d modes", mode_count);
+}
+
 static VkDisplayModeKHR
 comp_window_direct_get_primary_display_mode(struct comp_window_direct *w,
                                             VkDisplayKHR display)
@@ -459,6 +477,8 @@ comp_window_direct_get_primary_display_mode(struct comp_window_direct *w,
 		return nullptr;
 	}
 
+	print_modes(w, mode_properties, mode_count);
+
 	int chosen_mode =
 	    choose_best_vk_mode_auto(w, mode_properties, mode_count);
 	VkDisplayModePropertiesKHR props = mode_properties[chosen_mode];