just example of phantom data tricks

drivers/gpu/drm/rvkms/crtc.rs

drivers/gpu/drm/rvkms/rvkms.rs

drivers/gpu/drm/vkms/vkms_crtc.c

rust/bindings/bindings_helper.h

rust/kernel/drm/kms.rs

rust/kernel/drm/kms/atomic.rs

rust/kernel/drm/kms/crtc.rs

rust/kernel/hrtimer.rs

rust/kernel/time.rs