SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER  702 drivers/gpu/drm/gma500/psb_intel_sdvo_regs.h #define SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER 0x90
SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER  713 drivers/gpu/drm/i915/display/intel_sdvo_regs.h #define SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER 0x90