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)