EXTERNAL_ENCODER_ACTION_V3_DISABLE_OUTPUT 3098 drivers/gpu/drm/amd/include/atomfirmware.h   EXTERNAL_ENCODER_ACTION_V3_DISABLE_OUTPUT           = 0x00,
EXTERNAL_ENCODER_ACTION_V3_DISABLE_OUTPUT 1376 drivers/gpu/drm/radeon/atombios.h #define EXTERNAL_ENCODER_ACTION_V3_DISABLE_OUTPUT         0x00