diff --git a/rust/kernel/drm/kms.rs b/rust/kernel/drm/kms.rs
index f6a808279d468b766f6ab06a4ebdfaea16484d42..48ae8bc0f52ce8fbf46a727bc0f003981326f3bb 100644
--- a/rust/kernel/drm/kms.rs
+++ b/rust/kernel/drm/kms.rs
@@ -326,6 +326,20 @@ impl<T: KmsDriver> Device<T> {
         //   prevent errors)
         unsafe { (*self.as_raw()).mode_config.num_total_plane as u32 }
     }
+
+    /// Return the number of registered CRTCs
+    /// TODO: while `num_crtc` is of i32, that type actually makes literally no sense here and just
+    /// causes problems and unecessary casts. Same for num_plane(). So, fix that at some point (we
+    /// will never get n < 0 anyway)
+    #[inline]
+    pub fn num_crtcs(&self) -> u32 {
+        // SAFETY:
+        // * This can only be modified during the single-threaded context before registration, so
+        //   this is safe
+        // * num_crtc could be >= 0, but no less - so casting to u32 is fine (and better to prevent
+        //   errors)
+        unsafe { (*self.as_raw()).mode_config.num_crtc as u32 }
+    }
 }
 
 /// A modesetting object in DRM.