drm_mode_map_dumb 120 drivers/gpu/drm/drm_dumb_buffers.c struct drm_mode_map_dumb *args = data; drm_mode_map_dumb 919 include/uapi/drm/drm.h #define DRM_IOCTL_MODE_MAP_DUMB DRM_IOWR(0xB3, struct drm_mode_map_dumb) drm_mode_map_dumb 919 tools/include/uapi/drm/drm.h #define DRM_IOCTL_MODE_MAP_DUMB DRM_IOWR(0xB3, struct drm_mode_map_dumb)