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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 838F4C4332F for ; Wed, 23 Nov 2022 12:44:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235939AbiKWMof (ORCPT ); Wed, 23 Nov 2022 07:44:35 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47678 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237608AbiKWMns (ORCPT ); Wed, 23 Nov 2022 07:43:48 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 11ACB6DFCF; Wed, 23 Nov 2022 04:42:11 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id A35AE61C41; Wed, 23 Nov 2022 12:42:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E1E0AC433D6; Wed, 23 Nov 2022 12:42:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1669207330; bh=9CdGFcI6NSYYFit7v8Tf2qp4SHvPUavvWg7w2trO2Qg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SDQueprYJALAkgiJ/N91J6zEo5mBZETwnY/8vK5FNoEqo+wagX5nMJ2tOj9MISGZa 0bmNh32AxG4br64Xv1avrk9e5Tqa9qgiwU1Mmc1rm3zoj3O7MDCcTAhLNud4aEPtRK CVmu438goyqB6KhTAeI9s1uP6rk3DHxqWorGVD53EUqqNXYTOxApSRKmt45qM+3qAp nmbfSl+NXj50vlZltcZ4uEDF/XBAiIG1e+or2Hj0nwRhdfM9XZTj9KbgsEv+lX6ZPO xNQNezsy+vU8zN936WEuoXoZD2p4LIOGtOgaFsMyjZ5q+rd5suZ+ybTPZLS5xP79sX p5wJj+YbdyJOQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Eric Huang , Felix Kuehling , Alex Deucher , Sasha Levin , christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@gmail.com, daniel@ffwll.ch, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 6.0 28/44] drm/amdkfd: Fix a memory limit issue Date: Wed, 23 Nov 2022 07:40:37 -0500 Message-Id: <20221123124057.264822-28-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221123124057.264822-1-sashal@kernel.org> References: <20221123124057.264822-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Eric Huang [ Upstream commit 6f9eea4392a178af19360694b1db64f985d0b459 ] It is to resolve a regression, which fails to allocate VRAM due to no free memory in application, the reason is we add check of vram_pin_size for memory limit, and application is pinning the memory for Peerdirect, KFD should not count it in memory limit. So removing vram_pin_size will resolve it. Signed-off-by: Eric Huang Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index 93ad00453f4b..7db4aef9c45c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -170,9 +170,7 @@ int amdgpu_amdkfd_reserve_mem_limit(struct amdgpu_device *adev, (kfd_mem_limit.ttm_mem_used + ttm_mem_needed > kfd_mem_limit.max_ttm_mem_limit) || (adev && adev->kfd.vram_used + vram_needed > - adev->gmc.real_vram_size - - atomic64_read(&adev->vram_pin_size) - - reserved_for_pt)) { + adev->gmc.real_vram_size - reserved_for_pt)) { ret = -ENOMEM; goto release; } -- 2.35.1