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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 809B6C433E0 for ; Tue, 7 Jul 2020 15:23:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5A0E620663 for ; Tue, 7 Jul 2020 15:23:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594135386; bh=eHe6y0CVgk2X4XbqPeMFpPp2xFnQjmkyetTp9z/A3j8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=oSILMDaufOXdLiccizlLx1PnZpu94I1F0UHdADoUo7PoV/Kd6DgZ8T2rHiOrbeRwk NBfVx4a0fuiJNH+ufmZbMjga/QovNrLiO34H1wa4ouFsXGwFPbpHt/eCnCyxdbsSbj dxd4JbOq2StgVCgaOvEMSwuN+IN9rUqX30yyG2BU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729936AbgGGPXF (ORCPT ); Tue, 7 Jul 2020 11:23:05 -0400 Received: from mail.kernel.org ([198.145.29.99]:35792 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729923AbgGGPW5 (ORCPT ); Tue, 7 Jul 2020 11:22:57 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.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 8AE37206F6; Tue, 7 Jul 2020 15:22:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594135377; bh=eHe6y0CVgk2X4XbqPeMFpPp2xFnQjmkyetTp9z/A3j8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PEHB1opDPipUrn2jRe1nnLMVuCHXEARISVdXPG+Q7cLK5EskEbncGdWY/pzcJZ5iL BSCTW4GRKXRmHXb0LY4LY3tvWlX2zeuw5Ph3EuSZgshDhCLJrP02K96J2BWYL576XA CUZWBPQ49npNulFvK8tXCUV7nQjNL3NLnnXHzrSU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hawking Zhang , John Clements , Alex Deucher , Sasha Levin Subject: [PATCH 5.7 017/112] drm/amdgpu: disable ras query and iject during gpu reset Date: Tue, 7 Jul 2020 17:16:22 +0200 Message-Id: <20200707145801.815558286@linuxfoundation.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200707145800.925304888@linuxfoundation.org> References: <20200707145800.925304888@linuxfoundation.org> User-Agent: quilt/0.66 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 From: John Clements [ Upstream commit 61380faa4b4cc577df8a7ff5db5859bac6b351f7 ] added flag to ras context to indicate if ras query functionality is ready Reviewed-by: Hawking Zhang Signed-off-by: John Clements Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 +++ drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 24 +++++++++++++++++++--- drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h | 4 ++++ 3 files changed, 28 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index affde2de2a0db..59288653412db 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -4091,6 +4091,8 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev, need_full_reset = job_signaled = false; INIT_LIST_HEAD(&device_list); + amdgpu_ras_set_error_query_ready(adev, false); + dev_info(adev->dev, "GPU %s begin!\n", (in_ras_intr && !use_baco) ? "jobs stop":"reset"); @@ -4147,6 +4149,7 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev, /* block all schedulers and reset given job's ring */ list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) { if (tmp_adev != adev) { + amdgpu_ras_set_error_query_ready(tmp_adev, false); amdgpu_device_lock_adev(tmp_adev, false); if (!amdgpu_sriov_vf(tmp_adev)) amdgpu_amdkfd_pre_reset(tmp_adev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index ab379b44679cc..aa6148d12d5a4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -80,6 +80,20 @@ atomic_t amdgpu_ras_in_intr = ATOMIC_INIT(0); static bool amdgpu_ras_check_bad_page(struct amdgpu_device *adev, uint64_t addr); +void amdgpu_ras_set_error_query_ready(struct amdgpu_device *adev, bool ready) +{ + if (adev) + amdgpu_ras_get_context(adev)->error_query_ready = ready; +} + +bool amdgpu_ras_get_error_query_ready(struct amdgpu_device *adev) +{ + if (adev) + return amdgpu_ras_get_context(adev)->error_query_ready; + + return false; +} + static ssize_t amdgpu_ras_debugfs_read(struct file *f, char __user *buf, size_t size, loff_t *pos) { @@ -281,7 +295,7 @@ static ssize_t amdgpu_ras_debugfs_ctrl_write(struct file *f, const char __user * struct ras_debug_if data; int ret = 0; - if (amdgpu_ras_intr_triggered()) { + if (!amdgpu_ras_get_error_query_ready(adev)) { DRM_WARN("RAS WARN: error injection currently inaccessible\n"); return size; } @@ -399,7 +413,7 @@ static ssize_t amdgpu_ras_sysfs_read(struct device *dev, .head = obj->head, }; - if (amdgpu_ras_intr_triggered()) + if (!amdgpu_ras_get_error_query_ready(obj->adev)) return snprintf(buf, PAGE_SIZE, "Query currently inaccessible\n"); @@ -1896,8 +1910,10 @@ int amdgpu_ras_late_init(struct amdgpu_device *adev, } /* in resume phase, no need to create ras fs node */ - if (adev->in_suspend || adev->in_gpu_reset) + if (adev->in_suspend || adev->in_gpu_reset) { + amdgpu_ras_set_error_query_ready(adev, true); return 0; + } if (ih_info->cb) { r = amdgpu_ras_interrupt_add_handler(adev, ih_info); @@ -1909,6 +1925,8 @@ int amdgpu_ras_late_init(struct amdgpu_device *adev, if (r) goto sysfs; + amdgpu_ras_set_error_query_ready(adev, true); + return 0; cleanup: amdgpu_ras_sysfs_remove(adev, ras_block); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h index 55c3eceb390d4..e7df5d8429f82 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h @@ -334,6 +334,8 @@ struct amdgpu_ras { uint32_t flags; bool reboot; struct amdgpu_ras_eeprom_control eeprom_control; + + bool error_query_ready; }; struct ras_fs_data { @@ -629,4 +631,6 @@ static inline void amdgpu_ras_intr_cleared(void) void amdgpu_ras_global_ras_isr(struct amdgpu_device *adev); +void amdgpu_ras_set_error_query_ready(struct amdgpu_device *adev, bool ready); + #endif -- 2.25.1