Add a wrapper for `drm_set_preferred_mode()` for our new
`ConnectorGuard` type so we can set the preferred mode for RVKMS
connectors.
Signed-off-by: Lyude Paul <lyude@xxxxxxxxxx>
---
rust/kernel/drm/kms/connector.rs | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/rust/kernel/drm/kms/connector.rs b/rust/kernel/drm/kms/connector.rs
index 7d0f67c3bdaf8..ec842ebc111ae 100644
--- a/rust/kernel/drm/kms/connector.rs
+++ b/rust/kernel/drm/kms/connector.rs
@@ -387,6 +387,12 @@ pub fn add_modes_noedid(&self, (max_h, max_v): (i32, i32)) -> i32 {
// SAFETY: We hold the locks required to call this via our type invariants.
unsafe { bindings::drm_add_modes_noedid(self.as_raw(), max_h, max_v) }
}
+
+ /// Set the preferred display mode for the underlying [`Connector`].
+ pub fn set_preferred_mode(&self, (h_pref, w_pref): (i32, i32)) {
+ // SAFETY: We hold the locks required to call this via our type invariants.
+ unsafe { bindings::drm_set_preferred_mode(self.as_raw(), h_pref, w_pref) }
+ }
}
// SAFETY: DRM expects this struct to be zero-initialized
--
2.46.1
