diff --git a/devicemodel/samples/apl-mrb/sos_bootargs_debug.txt b/devicemodel/samples/apl-mrb/sos_bootargs_debug.txt
index 1dfb136d1..93139caaf 100644
--- a/devicemodel/samples/apl-mrb/sos_bootargs_debug.txt
+++ b/devicemodel/samples/apl-mrb/sos_bootargs_debug.txt
@@ -15,7 +15,7 @@ i915.enable_guc=0x02
 video=DP-1:d
 video=DP-2:d
 hvlog=2M@0x6de00000
-cma=64M@0-
+cma=128M@0-
 memmap=0x400000$0x6da00000
 ramoops.mem_address=0x6da00000
 ramoops.mem_size=0x400000
diff --git a/devicemodel/samples/apl-mrb/sos_bootargs_release.txt b/devicemodel/samples/apl-mrb/sos_bootargs_release.txt
index 238b7e4b6..ce01272f5 100644
--- a/devicemodel/samples/apl-mrb/sos_bootargs_release.txt
+++ b/devicemodel/samples/apl-mrb/sos_bootargs_release.txt
@@ -13,4 +13,4 @@ i915.enable_gvt=1
 i915.enable_guc=0x02
 video=DP-1:d
 video=DP-2:d
-cma=64M@0-
+cma=128M@0-