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 D4128BA34; Fri, 24 Apr 2026 23:39:56 +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=1777073998; cv=pass; b=MSpH3KblpNPJoLoEHhuZrStoF6sJ1AtHDPFeSbU4RRbQkAYzA3I3LonRopa9wIZfLBWRbUzU0eZXc0oEz1uVRmHIf6+trt+JqqT5cDbnAKAl/EmV3ZspYdgddVw4dPIzgVkGW9AUIdDdrgSgcIbyD/b1NIH58wDDZUL6J8UYEWY= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777073998; c=relaxed/simple; bh=AaPtiNttGuB/t7PYj8M+d94kLl/74wFvY9trrLQs8C0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=V4mOjwPKWHEgC18o3Mb5ZwjGdiH3p8CuuuvKUoQyXWO+Udt1FUXpBMax7YJPZev9aMSjHql5i8ixs7UeVnU36bzfbpCRDWeGGuOi3j/BqMb4St1d7SBYUrpGoGqwlBCMUVPYycnHYWE3N/craIZuuvKAQXtKXlWASTP8AbDUeT0= 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=D4RskA3E; 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="D4RskA3E" ARC-Seal: i=1; a=rsa-sha256; t=1777073965; cv=none; d=zohomail.com; s=zohoarc; b=frqXrq0/CGNuovCxcb0Ip122YhIFQQdpywRbH1dHGTsICE/aePZALln7y489WHh5l7SXJIiTcH2tyWoPY13ZBIr5Goa1S6jgI1QoPdOFwl4ZstxwQ10ybpUgfjiEyV5HNfdd+RzLMNiUn3qcBBDy4AYJ5rb7Ny2o2HHZ0NVkdCA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1777073965; 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=9x0SAL3Soz6DOFtVmAmkbii1FCN1sclBARu8rFXjdPI=; b=MeOxMaKHv8PQrerigrhPyIQjjLXdUlm2wn3pUAGliBBAVxW4/8wotEQyLB/teg/vGVjczNTfJVMmEtakOAVvl/YcCasmgB6/ipH7VSVFbbbniN/ULmhGqQawGqGiwhreBbKlWTRWXNjDMrLm74fpid43Z1y6k89lSRmhCQOIdIg= 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=1777073965; 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=9x0SAL3Soz6DOFtVmAmkbii1FCN1sclBARu8rFXjdPI=; b=D4RskA3EMruD09t9LZCcGNQm2Iq0je+IF0W8rTKQdenLBBt6YUfypSvIQ+fqLTdx crinznlZ2IRezSNiOiWlFDtP0ThNNmJYiSIEp0HrmlJNrf6nXvpij8Y3RJv9ZMHJT78 DnUIQZj4bL5Fa7pzFIUGzuubLMLyRzvb7MKiEln4= Received: by mx.zohomail.com with SMTPS id 1777073963573485.31801887966503; Fri, 24 Apr 2026 16:39:23 -0700 (PDT) From: Deborah Brouwer Date: Fri, 24 Apr 2026 16:39:01 -0700 Subject: [PATCH v4 07/20] drm/tyr: add shmem backing for GEM objects Precedence: bulk X-Mailing-List: linux-kernel@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: <20260424-b4-fw-boot-v4-v4-7-a5d91050789d@collabora.com> References: <20260424-b4-fw-boot-v4-v4-0-a5d91050789d@collabora.com> In-Reply-To: <20260424-b4-fw-boot-v4-v4-0-a5d91050789d@collabora.com> To: Daniel Almeida , Alice Ryhl , Danilo Krummrich , David Airlie , Simona Vetter , Benno Lossin , Gary Guo , Miguel Ojeda , Boqun Feng , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Andreas Hindborg , Trevor Gross , FUJITA Tomonori , Frederic Weisbecker , Thomas Gleixner , Anna-Maria Behnsen , John Stultz , Stephen Boyd 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, lyude@redhat.com, acourbot@nvidia.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=AaPtiNttGuB/t7PYj8M+d94kLl/74wFvY9trrLQs8C0=; b=owGbwMvMwCVWuULzOU9c7WvG02pJDJmv/ysI/s+pTlI+VvY89VJR9PwW4aJDZzj52theMXR7r v2cbcTfUcrCIMbFICumyHLW3qhHvOq9ke78/80wc1iZQIYwcHEKwESuiDMyzC9ZHe70slGX/9/G lMUvnvk4XH52uDsnVqj56J+fXhOOczL8L1Zg3c1Tmnhyj8C0NsYKTavXPzmkbXMZjBk66tL0on0 5AA== 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 11951b507b18..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: Self::Args, + args: BoCreateArgs, ) -> impl PinInit { - try_pin_init!(BoData {}) + try_pin_init!(Self { flags: args.flags }) } } -- 2.53.0