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Message-ID: <20240930233257.1189730-13-lyude@redhat.com>
Date: Mon, 30 Sep 2024 19:09:55 -0400
From: Lyude Paul <lyude@...hat.com>
To: dri-devel@...ts.freedesktop.org,
rust-for-linux@...r.kernel.org
Cc: Asahi Lina <lina@...hilina.net>,
Danilo Krummrich <dakr@...nel.org>,
mcanal@...lia.com,
airlied@...hat.com,
zhiw@...dia.com,
cjia@...dia.com,
jhubbard@...dia.com,
Miguel Ojeda <ojeda@...nel.org>,
Alex Gaynor <alex.gaynor@...il.com>,
Wedson Almeida Filho <wedsonaf@...il.com>,
Boqun Feng <boqun.feng@...il.com>,
Gary Guo <gary@...yguo.net>,
Björn Roy Baron <bjorn3_gh@...tonmail.com>,
Benno Lossin <benno.lossin@...ton.me>,
Andreas Hindborg <a.hindborg@...sung.com>,
Alice Ryhl <aliceryhl@...gle.com>,
Trevor Gross <tmgross@...ch.edu>,
linux-kernel@...r.kernel.org (open list)
Subject: [WIP RFC v2 12/35] rust: drm/kms: Add ConnectorGuard::set_preferred_mode
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@...hat.com>
---
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
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