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 E1A72C433F5 for ; Fri, 18 Feb 2022 19:43:33 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 70A5010E8C8; Fri, 18 Feb 2022 19:43:26 +0000 (UTC) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id C9B6410E862; Fri, 18 Feb 2022 19:43:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1645213404; x=1676749404; h=from:to:cc:subject:in-reply-to:references:date: message-id:mime-version; bh=baOXokhByXXziWZwCqa3Bh4RX/PKcroubuFVmmtj6zE=; b=R5t3x8mOujLEBO+O3vcxjqiuEVc+27yvwDqeoXQv93dBPwhKwwFtarJ1 Eu5K9qcy0y2a8srcjJQgE5y+BLwtSDlUZKoH32sLoi5KYrHJR4KUmf5Hg j0STk5xfZnn795X9rUkwNQC4x/EEpGxfiCTu1NeFsnLhoe6dYAq7cvQBT EfuMLDPQac7vjVgIP/OCH1fAklFyVS7BN5blXK+sqyc5J2xH3eyvk3RV2 kL9nxiFGpYmp1K0OkB1mOB9TUyRxwjmkyid3hOuXwnumnXcCKEHLzDKOg 8ylU0CGJLqh7NdVJ7YMc/zAteUTXkyRoPa5vuhguaIOLWgL0KmHOjC7lP A==; X-IronPort-AV: E=McAfee;i="6200,9189,10262"; a="238606610" X-IronPort-AV: E=Sophos;i="5.88,379,1635231600"; d="scan'208";a="238606610" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Feb 2022 11:43:24 -0800 X-IronPort-AV: E=Sophos;i="5.88,379,1635231600"; d="scan'208";a="504111596" Received: from sporter-mobl.ger.corp.intel.com (HELO localhost) ([10.209.62.47]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Feb 2022 11:42:24 -0800 From: Jordan Justen To: Ramalingam C , Robert Beckett In-Reply-To: <20220218185540.GA7762@intel.com> References: <20220208203419.1094362-1-bob.beckett@collabora.com> <20220208203419.1094362-6-bob.beckett@collabora.com> <87ee40ojpc.fsf@jljusten-skl> <20220218134735.GB3646@intel.com> <78df4b73-9b2d-670b-a6b0-a45b476f1f0a@collabora.com> <20220218185540.GA7762@intel.com> Date: Fri, 18 Feb 2022 11:42:23 -0800 Message-ID: <875ypcneqo.fsf@jljusten-skl> MIME-Version: 1.0 Content-Type: text/plain Subject: Re: [Intel-gfx] [PATCH v8 5/5] drm/i915/uapi: document behaviour for DG2 64K support X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dri-devel@lists.freedesktop.org, Thomas =?utf-8?Q?Hellstr=C3=B6m?= , David Airlie , Simon Ser , intel-gfx@lists.freedesktop.org, Kenneth Graunke , Slawomir Milczarek , Pekka Paalanen , Matthew Auld , Rodrigo Vivi , mesa-dev@lists.freedesktop.org, linux-kernel@vger.kernel.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Ramalingam C writes: > On 2022-02-18 at 18:06:00 +0000, Robert Beckett wrote: >> >> If desired, we can make the wording clearer, maybe something like: >> >> "To keep things simple for userland, we mandate that any GTT mappings >> must be aligned to 2MB. The kernel will internally pad them out to the next >> 2MB boundary" > > Added the extra information in next version @ > https://patchwork.freedesktop.org/patch/475166/?series=100419&rev=1 > > Jordan, hope this explanation clears your doubt. Ok. It sounds like what we are doing in Mesa matches what is required by hardware and the kernel. Thanks. -Jordan