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 A849F47D94B; Tue, 28 Apr 2026 19:20:11 +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=1777404013; cv=pass; b=tmfFvQYbXZckr8Qd7cmMqUdQtsx4LI3DQefmevvm+h+j78jggaY6OV4F4GCM3rLynTd6geaGBRksbjUNwYVJ8bSafy1DEIyrbGaYabMSHJ0202J60tlfXhYZgui4ljFMp4rt5PtuvjYpeim9I1/VZOB9FVPsXA4D9T41i8HZxts= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777404013; c=relaxed/simple; bh=W29CcEg4G/bR/nBkZsGLw9Q//UYR0bu9cBHhR83fmzU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=TepdZO7BIzLIxkawNgWI6KbGaWHKjvJOPIHFGFwFlmlkJymb9jRJCITLQG8NpHHZUUgl1zPhIn0CQH036Jze2pgmM7uITgmIapBsmfIoQ4zXfEw40RMynreRxVb7fnIoZCs2XPkx72oq1Gfi/bCq9I0q+ThPKIPtCLQaOB3Upig= 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=deborah.brouwer@collabora.com header.b=Hjkf5Tvh; 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=deborah.brouwer@collabora.com header.b="Hjkf5Tvh" ARC-Seal: i=1; a=rsa-sha256; t=1777403983; cv=none; d=zohomail.com; s=zohoarc; b=IbIPdgBkg3eE0bdD/OL77s9hC6ViO2kSQMbPLChOsmql44qnS13K7TU0udpzzeuzkQQSjScgc3FnBVvmPVz5WtVQDAOtFvizZCrsprlcmYHUzOdXKOlQjxYGiJ5CsJxMk5vDFeu3eI1bod2HZ/samTjm0FUEd/Q4iIEW/BKBN0U= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1777403983; 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=wLGSvc2M7EuyDUwLLZMuCL0UwqmYT4uqmf47d+D6rF8=; b=drOG1TuZ+G4mbMvSQq1ldHA5tpjx9/ZYDrQOMImoqC47KBQ3mkZQvkzCkPcBnk+BFro1XxkSvMNfjCWMnqvNXjtXyJ6DZb0lAC93ArkY5WJfeWeNQ3f0vPs2j/9hByhMgrxT0FyC+949de8FybE+dOZGSzqum4dVH1fYeNW16Gg= 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=1777403983; s=zohomail; d=collabora.com; i=deborah.brouwer@collabora.com; h=From:From:Date:Date:Subject:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-Id:Message-Id:References:In-Reply-To:To:To:Cc:Cc:Reply-To; bh=wLGSvc2M7EuyDUwLLZMuCL0UwqmYT4uqmf47d+D6rF8=; b=Hjkf5Tvht5izMS2gVQfxNb1zIKFE9ziv4xsqzu0XCFj/dwjWLls85MqK+ZeQNc7G Clez9mGeTdCbHQy7TDwhbsqQtyJLCNaeBJ5BqjctzofYISYkPHBae9l89ocP0gCdbgA eevQKVkaa3SKfwnWag05oliNJMnSy8MwubOg5Ggo= Received: by mx.zohomail.com with SMTPS id 1777403981907227.00808545959512; Tue, 28 Apr 2026 12:19:41 -0700 (PDT) From: Deborah Brouwer Date: Tue, 28 Apr 2026 12:19:32 -0700 Subject: [PATCH 5/5] drm/tyr: add shmem backing for GEM objects Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260428-fw-boot-prerequisites-v1-5-c69af9abe1af@collabora.com> References: <20260428-fw-boot-prerequisites-v1-0-c69af9abe1af@collabora.com> In-Reply-To: <20260428-fw-boot-prerequisites-v1-0-c69af9abe1af@collabora.com> To: Danilo Krummrich , Alice Ryhl , Daniel Almeida , David Airlie , Simona Vetter , Benno Lossin , Gary Guo , Miguel Ojeda , Boqun Feng , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Andreas Hindborg , Trevor Gross Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, boris.brezillon@collabora.com, beata.michalska@arm.com, work@onurozkan.dev, alvin.sun@linux.dev, Deborah Brouwer X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1796; i=deborah.brouwer@collabora.com; h=from:subject:message-id; bh=W29CcEg4G/bR/nBkZsGLw9Q//UYR0bu9cBHhR83fmzU=; b=owGbwMvMwCVWuULzOU9c7WvG02pJDJkfOdyXPVv4VrSWY6K71LkZhS+KNzRNOdSRG2Ydlv3+L 9OHG7LZHaUsDGJcDLJiiixn7Y16xKveG+nO/98MM4eVCWQIAxenAEzkgQ7D/yyWi1crpTdW7nxh duby5euGFwMDFk2zazvwcK+decUs2TWMDM9CO5xnKk235PEwUNHWU4iYKXqJPf51S8TmhDjt7ZG z+QE= X-Developer-Key: i=deborah.brouwer@collabora.com; a=openpgp; fpr=CD3F328C177AEF322D9FFF8379A829E70C5E7DEB 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 --- 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 66c427a16c31..1640a161754b 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::gem, @@ -10,15 +14,23 @@ 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: ()) -> impl PinInit { - try_pin_init!(BoData {}) + fn new(_dev: &TyrDrmDevice, _size: usize, args: BoCreateArgs) -> impl PinInit { + try_pin_init!(Self { flags: args.flags }) } } -- 2.53.0