ATIF_EXTERNAL_GRAPHICS_PORT  281 drivers/gpu/drm/amd/include/amd_acpi.h #       define ATIF_EXTERNAL_GRAPHICS_PORT                         (1 << 0)
ATIF_EXTERNAL_GRAPHICS_PORT  262 drivers/gpu/drm/radeon/radeon_acpi.h #       define ATIF_EXTERNAL_GRAPHICS_PORT                         (1 << 0)