Index: chromium-98.0.4758.80/build/linux/unbundle/libdrm.gn
===================================================================
--- chromium-98.0.4758.80.orig/build/linux/unbundle/libdrm.gn
+++ chromium-98.0.4758.80/build/linux/unbundle/libdrm.gn
@@ -11,7 +11,10 @@ pkg_config("system_libdrm") {
 
 shim_headers("libdrm_shim") {
   root_path = "src/include"
-  headers = [ "drm.h" ]
+  headers = [
+    "drm.h",
+    "drm_fourcc.h",
+  ]
 }
 
 source_set("libdrm") {
Index: chromium-98.0.4758.80/ui/ozone/platform/drm/gpu/crtc_controller.h
===================================================================
--- chromium-98.0.4758.80.orig/ui/ozone/platform/drm/gpu/crtc_controller.h
+++ chromium-98.0.4758.80/ui/ozone/platform/drm/gpu/crtc_controller.h
@@ -11,7 +11,7 @@
 
 #include "base/memory/raw_ref.h"
 #include "base/memory/weak_ptr.h"
-#include "third_party/libdrm/src/include/drm/drm_fourcc.h"
+#include <drm_fourcc.h>
 #include "third_party/perfetto/include/perfetto/tracing/traced_value_forward.h"
 #include "ui/gfx/swap_result.h"
 #include "ui/ozone/platform/drm/common/scoped_drm_types.h"
Index: chromium-98.0.4758.80/ui/ozone/platform/drm/gpu/hardware_display_controller.cc
===================================================================
--- src/ui/ozone/platform/drm/gpu/hardware_display_controller.cc.orig	2025-04-11 12:05:30.840157601 +0200
+++ src/ui/ozone/platform/drm/gpu/hardware_display_controller.cc	2025-04-11 20:45:59.075673214 +0200
@@ -18,7 +18,7 @@
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/trace_event/typed_macros.h"
-#include "third_party/libdrm/src/include/drm/drm_fourcc.h"
+#include <drm_fourcc.h>
 #include "third_party/perfetto/include/perfetto/tracing/traced_value.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkImage.h"