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 X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 06564C43381 for ; Mon, 18 Feb 2019 13:51:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C9E1F21904 for ; Mon, 18 Feb 2019 13:51:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1550497880; bh=QMi2YnG8q/mNDCozqJ8m8+IhtQq4RNtzaH7NT6HaXBs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=hpuANTnU0CXDxNHKytG2H/C4l4cuZGvi+eAY2tvXdPH6rOv3hk9JGiPMVozROeNvL tao2qtXJWCyuahA4LMvLSWOlYRHYjRMehSwyBd6siyDza8qpbOhagvh1l1vOoS6W5a EgtMPwAyaVeBHP13qrqMAuPfZi18cYiMQlv4LXXc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732388AbfBRNvT (ORCPT ); Mon, 18 Feb 2019 08:51:19 -0500 Received: from mail.kernel.org ([198.145.29.99]:59152 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731866AbfBRNvQ (ORCPT ); Mon, 18 Feb 2019 08:51:16 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C585D21905; Mon, 18 Feb 2019 13:51:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1550497876; bh=QMi2YnG8q/mNDCozqJ8m8+IhtQq4RNtzaH7NT6HaXBs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iRMFdrtsbmqtKBTLC7Um5fiW83LV9b6UD+0WAaupWc68q25UdHay3f/7MH5vEdOP6 Is2AXswSIs66bj5uiZ7Fg7USlU3qpyKB+xkS8UijXFqJR/iee4S42Wbmwh7CZ51Zi0 E7RrTqpGFmu1fXg3BOF2e6HjqgO8U6DqFuo/2hxw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Emily Deng , Xiangliang Yu , Alex Deucher , Sasha Levin Subject: [PATCH 4.19 21/85] drm/amdgpu/sriov:Correct pfvf exchange logic Date: Mon, 18 Feb 2019 14:42:47 +0100 Message-Id: <20190218133501.920603023@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190218133459.758004711@linuxfoundation.org> References: <20190218133459.758004711@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ [ Upstream commit b8cf66182eddb22e9c7539821ed6eecdb4f86d1a ] The pfvf exchange need be in exclusive mode. And add pfvf exchange in gpu reset. Signed-off-by: Emily Deng Reviewed-By: Xiangliang Yu Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 8 ++++---- drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c | 2 +- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 39bf2ce548c6..7f6af421d3e9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1653,8 +1653,10 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev) amdgpu_amdkfd_device_init(adev); - if (amdgpu_sriov_vf(adev)) + if (amdgpu_sriov_vf(adev)) { + amdgpu_virt_init_data_exchange(adev); amdgpu_virt_release_full_gpu(adev, true); + } return 0; } @@ -2555,9 +2557,6 @@ int amdgpu_device_init(struct amdgpu_device *adev, goto failed; } - if (amdgpu_sriov_vf(adev)) - amdgpu_virt_init_data_exchange(adev); - amdgpu_fbdev_init(adev); r = amdgpu_pm_sysfs_init(adev); @@ -3269,6 +3268,7 @@ static int amdgpu_device_reset_sriov(struct amdgpu_device *adev, r = amdgpu_ib_ring_tests(adev); error: + amdgpu_virt_init_data_exchange(adev); amdgpu_virt_release_full_gpu(adev, true); if (!r && adev->virt.gim_feature & AMDGIM_FEATURE_GIM_FLR_VRAMLOST) { atomic_inc(&adev->vram_lost_counter); diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c index 078f70faedcb..d06332be59d3 100644 --- a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c +++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c @@ -174,7 +174,7 @@ static int xgpu_ai_send_access_requests(struct amdgpu_device *adev, return r; } /* Retrieve checksum from mailbox2 */ - if (req == IDH_REQ_GPU_INIT_ACCESS) { + if (req == IDH_REQ_GPU_INIT_ACCESS || req == IDH_REQ_GPU_RESET_ACCESS) { adev->virt.fw_reserve.checksum_key = RREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF0_MAILBOX_MSGBUF_RCV_DW2)); -- 2.19.1