DRM_IOCTL_MODE_GETGAMMA  902 include/uapi/drm/drm.h #define DRM_IOCTL_MODE_GETGAMMA		DRM_IOWR(0xA4, struct drm_mode_crtc_lut)
DRM_IOCTL_MODE_GETGAMMA  902 tools/include/uapi/drm/drm.h #define DRM_IOCTL_MODE_GETGAMMA		DRM_IOWR(0xA4, struct drm_mode_crtc_lut)