diff --git a/target/linux/x86/64/config-5.15 b/target/linux/x86/64/config-5.15
index d972668e543..d1ada5c2f5e 100644
--- a/target/linux/x86/64/config-5.15
+++ b/target/linux/x86/64/config-5.15
@@ -478,7 +478,7 @@ CONFIG_X86_64_SMP=y
 CONFIG_X86_ACPI_CPUFREQ=y
 # CONFIG_X86_ACPI_CPUFREQ_CPB is not set
 CONFIG_X86_AMD_FREQ_SENSITIVITY=y
-# CONFIG_X86_AMD_PLATFORM_DEVICE is not set
+CONFIG_X86_AMD_PLATFORM_DEVICE=y
 CONFIG_X86_CPUID=y
 CONFIG_X86_DIRECT_GBPAGES=y
 CONFIG_X86_HV_CALLBACK_VECTOR=y
diff --git a/target/linux/x86/generic/config-5.15 b/target/linux/x86/generic/config-5.15
index 1da6ad555da..5fda82dd296 100644
--- a/target/linux/x86/generic/config-5.15
+++ b/target/linux/x86/generic/config-5.15
@@ -415,7 +415,7 @@ CONFIG_X86_32_SMP=y
 CONFIG_X86_ACPI_CPUFREQ=y
 # CONFIG_X86_ACPI_CPUFREQ_CPB is not set
 CONFIG_X86_AMD_FREQ_SENSITIVITY=y
-# CONFIG_X86_AMD_PLATFORM_DEVICE is not set
+CONFIG_X86_AMD_PLATFORM_DEVICE=y
 # CONFIG_X86_BIGSMP is not set
 CONFIG_X86_CPUID=y
 # CONFIG_X86_E_POWERSAVER is not set