From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sender5-op-o11.zoho.com (sender5-op-o11.zoho.com [165.173.182.11]) (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 C062E4E36C4 for ; Fri, 9 Oct 2026 14:28:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=165.173.182.11 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791556128; cv=pass; b=SnTrNC0BAvng1xupC/IediBOFjo7rQ9VKKo+TWG+MR5Vmnd0YEZCqicnhJYgyXbJqv89Zy1ni9cI97GzLBCIi+0ofVRRl4bO8+AIvfmVybUbVfmYAvabtnBUdKAeWYyaliEzLwn4RhYehaU3Bmz2z4qWKYFqpyyyNsbAJnbEFAY= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791556128; c=relaxed/simple; bh=qWzIGkUtyKb31Kv8Y/aUVxiTqCUW3kS34Fe3mwEbkME=; h=Content-Type:Mime-Version:Subject:From:In-Reply-To:Date:Cc: Message-Id:References:To; b=HPyrDwISnSfxEhGaZJ6RNFrdiABuADLGvoxv/BPwOsphW9q8u4cQPWVqpoRLddLBSGeJ3Kebdo4KzJ1NoG0Eud4bWT3qGzPraHo1dWRYXWne4QnSy0Nxlq3jGzRF1xBCByqWxk+ogMTg54Zb6zLBLHTiCPG9ps1lKKvWjm3fUgg= 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=Ud2kTanL; arc=pass smtp.client-ip=165.173.182.11 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="Ud2kTanL" ARC-Seal: i=1; a=rsa-sha256; t=1791556100; cv=none; d=zohomail.com; s=zohoarc; b=ieJhTY1/fVTNNenBOIQaRrSR1EtiO7w/SD+0eL9tYE6G3zIU2cdAZDef6XnH3cXW0ypI/8LRRD9qSudw6LI1S2pvOX8rwrt/KHM9nKYtfZ00SEqBJhJ6jT6xa3aVSEpUufbjDgdWcnqa1kqcjcI9ULMY7bOReNknEGiyKopkdtc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1791556100; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:Subject:Subject:To:To:Message-Id:Reply-To; bh=WIa/8inlxu6owg1iy8GQek7mIHexIT52zxxTW0xBXtY=; b=dZ5t4WDrpV3N4ENvaSkR0mSZUmLbQ9FcQBhNlXTUogb1nZ+E37dHPCyz+OPmzEH2r5tfi9JMO40jwnhpmnbCp1LnB4L8H3CRLAwfRJEgjSiRNftKTgNv0AfKjWF8RPavTe3CNY3h8aix8xOkc7BBL3tUfd/KYnMDKD+Gf1d0EPs= 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=1791556100; 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:To:To:Reply-To; bh=WIa/8inlxu6owg1iy8GQek7mIHexIT52zxxTW0xBXtY=; b=Ud2kTanLnTn70V47psbhImXgfgyN+noPAVAOTSEYigdMG9RoQ/2kaJFJBuR0yroO 9MBibrhidvG2R90atM8CMRh1Hmi5+8qUWoT3YNOBuFaVQB6qKx4IvwrdQ3eR6DxqgSb FsI4TobHjlrFuqxzo0qg0aF+oFw896Y7eGzlJufg= Received: by smtp.zohomail.com with SMTPS id 1791556094666375.33121900586843; Fri, 9 Oct 2026 07:28:14 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Precedence: bulk X-Mailing-List: driver-core@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3901.100.1.1.11\)) Subject: Re: [PATCH v3 05/11] drm/tyr: add user and MCU VM specifications From: Daniel Almeida In-Reply-To: <20260929-tyr-ioctls-v3-5-26955fb111d5@kylinos.cn> Date: Fri, 9 Oct 2026 11:27:55 -0300 Cc: Miguel Ojeda , Boqun Feng , Gary Guo , =?utf-8?Q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , Tamir Duberstein , Alexandre Courbot , =?utf-8?Q?Onur_=C3=96zkan?= , Lorenzo Stoakes , "Liam R. Howlett" , Lyude Paul , David Airlie , Simona Vetter , Greg Kroah-Hartman , "Rafael J. Wysocki" , Sami Tolvanen , rust-for-linux@vger.kernel.org, linux-mm@kvack.org, dri-devel@lists.freedesktop.org, driver-core@lists.linux.dev, Alvin Sun Content-Transfer-Encoding: quoted-printable Message-Id: <76CE11D7-94E6-4352-B2CC-F20DDDB451F6@collabora.com> References: <20260929-tyr-ioctls-v3-0-26955fb111d5@kylinos.cn> <20260929-tyr-ioctls-v3-5-26955fb111d5@kylinos.cn> To: sunke@kylinos.cn X-Mailer: Apple Mail (2.3901.100.1.1.11) X-ZohoMailClient: External > + pub(crate) fn new_for_user( > dev: &'drm Device, > ddev: &TyrDrmDevice, > mmu: ArcBorrow<'_, Mmu<'drm>>, > gpu_info: &GpuInfo, > + user_va: UserVaRequest, > + ) -> Result>> { > + let mmu_features =3D = MMU_FEATURES::from_raw(gpu_info.mmu_features); > + let va_bits =3D mmu_features.va_bits().get(); > + let range =3D 0..(1u64 << va_bits); > + > + let layout =3D VmLayout::compute(range.clone(), = user_va).inspect_err(|_| { > + dev_err!( > + dev, > + "Failed to split GPU VA range {:#x}..{:#x} into user = and kernel regions\n", > + range.start, > + range.end > + ); This should probably be dev_dbg. =E2=80=94 Daniel=