Drop after graphics/libdrm >= 2.4.125 update

--- meson.build.orig	2025-06-09 12:43:22 UTC
+++ meson.build
@@ -41,7 +41,7 @@ libdrm = dependency('libdrm',
 #
 # We need to make sure we don't use any new libdrm functions, but those
 # are added very infrequently, so this is unlikely to be an issue.
-if libdrm.version().version_compare('<2.4.125')
+if libdrm.version().version_compare('<2.4.123')
   if libdrm.type_name() == 'internal'
     error('libdrm subproject out of date. Run `meson subprojects update`.')
   endif
@@ -65,6 +65,11 @@ else
   fourcc_h = meson.current_source_dir() / 'subprojects/libdrm/include/drm/drm_fourcc.h'
 else
   fourcc_h = libdrm.get_variable(pkgconfig: 'pc_sysrootdir') + libdrm.get_variable(pkgconfig: 'includedir') / 'libdrm/drm_fourcc.h'
+endif
+
+# DRM_FORMAT_MOD_VENDOR_MTK and its information is included in libdrm v2.4.125
+if libdrm.version().version_compare('>=2.4.125')
+  add_project_arguments('-DHAVE_MEDIATEK', language: 'c')
 endif
 
 if libpci.found()
--- modifiers.c.orig	2025-06-09 12:43:22 UTC
+++ modifiers.c
@@ -298,6 +298,7 @@ static void print_vivante_modifier(uint64_t mod) {
 	printf(")");
 }
 
+#ifdef HAVE_MEDIATEK
 static const char *mediatek_tile_layout_str(uint64_t tile_layout) {
 	switch (tile_layout) {
 	case MTK_FMT_MOD_TILE_NONE:
@@ -343,6 +344,7 @@ static void print_mediatek_modifier(uint64_t mod) {
 		mediatek_compression_str(compression),
 		mediatek_10bit_layout_str(layout_10bit));
 }
+#endif
 
 static uint8_t mod_vendor(uint64_t mod) {
 	return (uint8_t)(mod >> 56);
@@ -365,9 +367,11 @@ void print_modifier(uint64_t mod) {
 	case DRM_FORMAT_MOD_VENDOR_VIVANTE:
 		print_vivante_modifier(mod);
 		break;
+#ifdef HAVE_MEDIATEK
 	case DRM_FORMAT_MOD_VENDOR_MTK:
 		print_mediatek_modifier(mod);
 		break;
+#endif
 	default:
 		printf("%s", basic_modifier_str(mod));
 	}