On Wed, Mar 05, 2025 at 05:59:26PM -0500, Lyude Paul wrote:
> A simple binding for drm_add_modes_noedid() using the ConnectorGuard type
> we just added.
>
> Signed-off-by: Lyude Paul <lyude@xxxxxxxxxx>
> ---
> rust/bindings/bindings_helper.h | 1 +
> rust/kernel/drm/kms/connector.rs | 11 +++++++++++
> 2 files changed, 12 insertions(+)
>
> diff --git a/rust/bindings/bindings_helper.h b/rust/bindings/bindings_helper.h
> index 27828dd36d4f2..846eb6eb8fc4c 100644
> --- a/rust/bindings/bindings_helper.h
> +++ b/rust/bindings/bindings_helper.h
> @@ -13,6 +13,7 @@
> #include <drm/drm_crtc.h>
> #include <drm/drm_device.h>
> #include <drm/drm_drv.h>
> +#include <drm/drm_edid.h>
> #include <drm/drm_encoder.h>
> #include <drm/drm_file.h>
> #include <drm/drm_fbdev_dma.h>
> diff --git a/rust/kernel/drm/kms/connector.rs b/rust/kernel/drm/kms/connector.rs
> index 14de3b0529f89..855a47b189a91 100644
> --- a/rust/kernel/drm/kms/connector.rs
> +++ b/rust/kernel/drm/kms/connector.rs
> @@ -446,6 +446,17 @@ fn deref(&self) -> &Self::Target {
> }
> }
>
> +impl<'a, T: DriverConnector> ConnectorGuard<'a, T> {
> + /// Add modes for a [`ConnectorGuard`] without an EDID.
> + ///
> + /// Add the specified modes to the connector's mode list up to the given maximum resultion.
> + /// Returns how many modes were added.
> + pub fn add_modes_noedid(&self, (max_h, max_v): (i32, i32)) -> i32 {
Why do we need a tuple of i32 there instead of two u32/usize parameter?
And the return type should be unsigned as well.
Maxime
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