drm_radeon_gem_busy 442 drivers/gpu/drm/radeon/radeon_gem.c struct drm_radeon_gem_busy *args = data; drm_radeon_gem_busy 559 include/uapi/drm/radeon_drm.h #define DRM_IOCTL_RADEON_GEM_BUSY DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GEM_BUSY, struct drm_radeon_gem_busy)