ATIF_FUNCTION_GET_EXTERNAL_GPU_INFORMATION  271 drivers/gpu/drm/amd/include/amd_acpi.h #define ATIF_FUNCTION_GET_EXTERNAL_GPU_INFORMATION                 0x15
ATIF_FUNCTION_GET_EXTERNAL_GPU_INFORMATION  252 drivers/gpu/drm/radeon/radeon_acpi.h #define ATIF_FUNCTION_GET_EXTERNAL_GPU_INFORMATION                 0x15