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 37086C369D1 for ; Sun, 27 Apr 2025 23:59:32 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8A43E10E132; Sun, 27 Apr 2025 23:59:31 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="gVjBze3i"; dkim-atps=neutral Received: from sea.source.kernel.org (unknown [172.234.252.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1A2A710E132; Sun, 27 Apr 2025 23:59:30 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 3109D44D6B; Sun, 27 Apr 2025 23:59:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D2464C4CEE3; Sun, 27 Apr 2025 23:59:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745798363; bh=nKi5Y2SiC5tgA1MVYV4fNEhrtxgNgfPSqVe2MnMmmSo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=gVjBze3irjBqAqcHoP+FTN6a5j06A3tosXjkGZSyBiN6CN2m/ZfJ98yZZXimUQKFg l7/f6EtFP9t2EZyVJx3o86fnmvkkSdZ1fESaG7ALfukpnS6lt9W6HLNYLbWwrvc9Xn uDGhybUUVbVS7k+FtnJU2rh0Qdd1XOtPz4Jx+Wj3xzR3KxhFfiFIt7+7LWbRodctSz m0joEaurwkqTJVel6bisQuLb+hif08oqDIeETVCtzOdjbIUv8rV2nGBapbmxmHM7Gu Qb5AM7wq3Y15K56jPrt3cQLxldRrteYILgeqGM1D3Ien8CGamssyZnRkFaHmapDFQC 0juqFNYdmY6cg== Date: Sun, 27 Apr 2025 19:59:21 -0400 From: Sasha Levin To: Alex Deucher Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Christian =?iso-8859-1?Q?K=F6nig?= , Simona Vetter , Felix Kuehling , Pak Nin Lui , Alex Deucher , simona@ffwll.ch, sumit.semwal@linaro.org, Yunxiang.Li@amd.com, tvrtko.ursulin@igalia.com, matthew.auld@intel.com, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org Subject: Re: [Linaro-mm-sig] [PATCH AUTOSEL 6.13 15/34] drm/amdgpu: allow pinning DMA-bufs into VRAM if all importers can do P2P Message-ID: References: <20250414132729.679254-1-sashal@kernel.org> <20250414132729.679254-15-sashal@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" On Mon, Apr 14, 2025 at 09:48:10AM -0400, Alex Deucher wrote: >On Mon, Apr 14, 2025 at 9:28 AM Sasha Levin wrote: >> >> From: Christian König >> >> [ Upstream commit f5e7fabd1f5c65b2e077efcdb118cfa67eae7311 ] >> >> Try pinning into VRAM to allow P2P with RDMA NICs without ODP >> support if all attachments can do P2P. If any attachment can't do >> P2P just pin into GTT instead. >> >> Acked-by: Simona Vetter >> Signed-off-by: Christian König >> Signed-off-by: Felix Kuehling >> Reviewed-by: Felix Kuehling >> Tested-by: Pak Nin Lui >> Cc: Simona Vetter >> Signed-off-by: Alex Deucher >> Signed-off-by: Sasha Levin > >This should not go to stable. It depends on dmem cgroups. I'll drop it. -- Thanks, Sasha