SDVO_CMD_GET_FIRMWARE_REV  145 drivers/gpu/drm/gma500/psb_intel_sdvo_regs.h #define SDVO_CMD_GET_FIRMWARE_REV			0x86
SDVO_CMD_GET_FIRMWARE_REV  156 drivers/gpu/drm/i915/display/intel_sdvo_regs.h #define SDVO_CMD_GET_FIRMWARE_REV			0x86