From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B708D148857; Thu, 28 Nov 2024 13:59:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732802347; cv=pass; b=UhdGTv8DwIM2btL/0nUfmUJ3epeLkr1F7jew+L3JitK+zRzRHOzQkuE2vhtWZk0LEqbs1EQIFUScaEufgUlxrH0gVhkrzM7nFcVWJ6NHEkl0q4qrYb37LtGQVzzbQK2OzlUHWK9mkL6QK2HwSfLtBETx4WBZ4EBELYxeuBkqP9A= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732802347; c=relaxed/simple; bh=N0RBFC+kPjQ6oRCtWxh7np/Ry0kcLVWpLAiAl+z6TY4=; h=Content-Type:Mime-Version:Subject:From:In-Reply-To:Date:Cc: Message-Id:References:To; b=XEPk82qONrdB09BanBv+z/emKmp3dx/fgQlW2YxODDstXbKQSXKRwmSBgG5vbyJ5Op7mdverL2zOY8yt/VEXursDQ8f3YF4A79yG058BpLSHUQoCXNvE4tDPra11akD1FORDgn8yxJZWqCY075Dk8tGfjdVCtiy/r0AHpaIaUa8= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=daniel.almeida@collabora.com header.b=GkGG+V9w; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=daniel.almeida@collabora.com header.b="GkGG+V9w" ARC-Seal: i=1; a=rsa-sha256; t=1732802313; cv=none; d=zohomail.com; s=zohoarc; b=RMdE7mM2qiejOI1lbSo+nyF3NrGI7fNwM3TTML5ARa3jWXJlFkZ53MwiCRopD48xhZmFuKcoz7WTkxeW2PSegyMTWwfsjoZy6OtIztQFN8A+06LRkkDzoMzs61wg2jfdK24DqizTFgyUFZ9kJYY84WY5xdn4H6wdj2o1OK4w6ik= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1732802313; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=Tt9ERNCWFTTUro7NQp6qivOCXvGBaE2mYaaalPs9eos=; b=VojIgLTiM4eF8oB4vUzeLvpR7BGbHtPU/2sYikWIDzPQPFwPhgjIxNrH1wTT4i5IvDv3Fj4IuH31dsAICjpgbf9lzbxTUKljzjbnrtzQLYytLoTRC1aa2yap9VIPsgmht8+JJuKeKtHHenz3Tw2FhJjgW5NhpbO1prgM1NTu9uM= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=daniel.almeida@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1732802313; s=zohomail; d=collabora.com; i=daniel.almeida@collabora.com; h=Content-Type:Mime-Version:Subject:Subject:From:From:In-Reply-To:Date:Date:Cc:Cc:Content-Transfer-Encoding:Message-Id:Message-Id:References:To:To:Reply-To; bh=Tt9ERNCWFTTUro7NQp6qivOCXvGBaE2mYaaalPs9eos=; b=GkGG+V9wannGRIS72w0/jKWcJod8Jg0O/tQa0/RzHg+H6fUzm4MT2cO8yLopziyi RLvzUifxHpkhsLnXO6twFclBAYzbRv8RUc1Rxjlyt4g0nH20daS6RsyiLiOZb4JH3iA KJG9RrMw7D0DmGKdeBRldQDkDwyIvfSxoufoqByE= Received: by mx.zohomail.com with SMTPS id 1732802312932749.2521541577697; Thu, 28 Nov 2024 05:58:32 -0800 (PST) Content-Type: text/plain; charset=utf-8 Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3826.200.121\)) Subject: Re: [WIP RFC v2 25/35] rust: drm/kms: Add RawPlaneState::crtc() From: Daniel Almeida In-Reply-To: <20240930233257.1189730-26-lyude@redhat.com> Date: Thu, 28 Nov 2024 10:58:18 -0300 Cc: dri-devel@lists.freedesktop.org, rust-for-linux@vger.kernel.org, Asahi Lina , Danilo Krummrich , mcanal@igalia.com, airlied@redhat.com, zhiw@nvidia.com, cjia@nvidia.com, jhubbard@nvidia.com, Miguel Ojeda , Alex Gaynor , Wedson Almeida Filho , Boqun Feng , Gary Guo , =?utf-8?Q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , open list Content-Transfer-Encoding: quoted-printable Message-Id: References: <20240930233257.1189730-1-lyude@redhat.com> <20240930233257.1189730-26-lyude@redhat.com> To: Lyude Paul X-Mailer: Apple Mail (2.3826.200.121) X-ZohoMailClient: External Hi Lyude > On 30 Sep 2024, at 20:10, Lyude Paul wrote: >=20 > Add a binding for checking drm_plane_state.crtc. Note that we don't = have a > way of knowing what DriverCrtc implementation would be used here (and = want > to make this function also available on OpaquePlaneState types), so we > return an OpaqueCrtc. >=20 > Signed-off-by: Lyude Paul > --- > rust/kernel/drm/kms/plane.rs | 7 +++++++ > 1 file changed, 7 insertions(+) >=20 > diff --git a/rust/kernel/drm/kms/plane.rs = b/rust/kernel/drm/kms/plane.rs > index 04f1bdfbb1ea2..4d16d53179fca 100644 > --- a/rust/kernel/drm/kms/plane.rs > +++ b/rust/kernel/drm/kms/plane.rs > @@ -30,6 +30,7 @@ > ModeObject, > StaticModeObject, > atomic::*, > + crtc::*, > }; >=20 > /// The main trait for implementing the [`struct drm_plane`] API for = [`Plane`] > @@ -489,6 +490,12 @@ fn plane(&self) -> &Self::Plane { > // invariant throughout the lifetime of the Plane > unsafe { Self::Plane::from_raw(self.as_raw().plane) } > } > + > + /// Return the current [`OpaqueCrtc`] assigned to this plane, if = there is one. > + fn crtc<'a, 'b: 'a>(&'a self) -> Option<&'b = OpaqueCrtc<::Driver>> { > + // SAFETY: This cast is guaranteed safe by `OpaqueCrtc`s = invariants. > + NonNull::new(self.as_raw().crtc).map(|c| unsafe { = OpaqueCrtc::from_raw(c.as_ptr()) }) > + } > } > impl RawPlaneState for T {} >=20 > --=20 > 2.46.1 >=20 >=20 LGTM, =E2=80=94 Daniel