From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5C282EB3644 for ; Mon, 2 Mar 2026 23:25:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7A7D510E5F7; Mon, 2 Mar 2026 23:25:23 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=collabora.com header.i=deborah.brouwer@collabora.com header.b="PR6pvU80"; dkim-atps=neutral Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7698410E5EB for ; Mon, 2 Mar 2026 23:25:19 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; t=1772493915; cv=none; d=zohomail.com; s=zohoarc; b=Uyt9gHRRufePiv4uCZqWTMEwLbO5SfmP0arm87HUvBkKcNc/Rh5UHiwlqg/JPwhXMEfoTq1XeLR6P9lidqHqmRU1qdROAhqFd/xv7lxvzbRFC1ht/0jhTuZ7rSzuxaeKpX6427t6uZLrLFDz77Z3yUKWKYC/gDjSaDcSRDvruhg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1772493915; h=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=Wm4c+DKt9fCFOoFomQ1pATjbxeL9QiBAficVWlTvgsY=; b=QTPbPr4iBNtPF+oRLRY9HJcYzkcc+a7x+PMJyom48sftdxp45zjFgrgXC/4ZI/AgraaPGRMJJ/uXDszM7naWNNZVmzb2ClC/gheLufxELhgn6xNoYRn9JbBbnHXS1R7rg0Rf1onMBKl+TurUXZALW+02GP7FqdM4PCwcSw4DmtA= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=deborah.brouwer@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1772493915; s=zohomail; d=collabora.com; i=deborah.brouwer@collabora.com; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Message-Id:Reply-To; bh=Wm4c+DKt9fCFOoFomQ1pATjbxeL9QiBAficVWlTvgsY=; b=PR6pvU80iUQFPHW6xf7EQZ3mneaZxmaJeQ4wR5l859atPM9xKoDRXIW2/b4gMeQ7 IwQizISCeGaz/pWNV6bypR6gTe58SGefcUleZCl6cQ4OySAJuJsAFUZ3lMHVcl9wvvG uzskDLgwWH9IW7OODY2B83IM9rEGmNTytEBPqcgs= Received: by mx.zohomail.com with SMTPS id 1772493913718758.9095255982013; Mon, 2 Mar 2026 15:25:13 -0800 (PST) From: Deborah Brouwer To: dri-devel@lists.freedesktop.org, rust-for-linux@vger.kernel.org Cc: daniel.almeida@collabora.com, aliceryhl@google.com, boris.brezillon@collabora.com, beata.michalska@arm.com, lyude@redhat.com, work@onurozkan.dev, Deborah Brouwer Subject: [PATCH v2 06/12] drm/tyr: add shmem backing for GEM objects Date: Mon, 2 Mar 2026 15:24:54 -0800 Message-ID: <20260302232500.244489-7-deborah.brouwer@collabora.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260302232500.244489-1-deborah.brouwer@collabora.com> References: <20260302232500.244489-1-deborah.brouwer@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add support for GEM buffer objects backed by shared memory. This introduces the BoCreateArgs structure for passing creation parameters including flags, and adds a flags field to BoData. Co-developed-by: Boris Brezillon Signed-off-by: Boris Brezillon Signed-off-by: Deborah Brouwer --- Changes in v2: - Remove new_dummy_object() to add it later in vm patch. - Remove unrelated change that used device alias. drivers/gpu/drm/tyr/gem.rs | 22 +++++++++++++++++----- 1 file changed, 17 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/tyr/gem.rs b/drivers/gpu/drm/tyr/gem.rs index 87f3890e4be6..c6d4d6f9bae3 100644 --- a/drivers/gpu/drm/tyr/gem.rs +++ b/drivers/gpu/drm/tyr/gem.rs @@ -1,4 +1,8 @@ // SPDX-License-Identifier: GPL-2.0 or MIT +//! GEM buffer object management for the Tyr driver. +//! +//! This module provides buffer object (BO) management functionality using +//! DRM's GEM subsystem with shmem backing. use kernel::{ drm::{ @@ -13,19 +17,27 @@ TyrDrmDriver, // }; -/// GEM Object inner driver data +/// Tyr's DriverObject type for GEM objects. #[pin_data] -pub(crate) struct BoData {} +pub(crate) struct BoData { + flags: u32, +} + +/// Provides a way to pass arguments when creating BoData +/// as required by the gem::DriverObject trait. +pub(crate) struct BoCreateArgs { + flags: u32, +} impl gem::DriverObject for BoData { type Driver = TyrDrmDriver; - type Args = (); + type Args = BoCreateArgs; fn new( _dev: &TyrDrmDevice, _size: usize, - _args: (), + args: BoCreateArgs, ) -> impl PinInit { - try_pin_init!(BoData {}) + try_pin_init!(Self { flags: args.flags }) } } -- 2.52.0