A binding for checking drm_crtc_state.active. Signed-off-by: Lyude Paul <lyude@xxxxxxxxxx> --- rust/kernel/drm/kms/crtc.rs | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/rust/kernel/drm/kms/crtc.rs b/rust/kernel/drm/kms/crtc.rs index 43c7264402b07..ec9b58763dcca 100644 --- a/rust/kernel/drm/kms/crtc.rs +++ b/rust/kernel/drm/kms/crtc.rs @@ -496,6 +496,14 @@ fn crtc(&self) -> &Self::Crtc { // state unsafe { <Self::Crtc as AsRawCrtc>::from_raw((*self.as_raw()).crtc) } } + + /// Returns whether or not the CRTC is active in this atomic state. + fn active(&self) -> bool { + // SAFETY: `active` and the rest of its containing bitfield can only be modified from the + // atomic check context, and are invariant beyond that point - so our interface can ensure + // this access is serialized + unsafe { (*self.as_raw()).active } + } } impl<T: AsRawCrtcState> RawCrtcState for T {} -- 2.46.1