From patchwork Tue Jun 8 18:27:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 457547 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=-18.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 1B796C48BCD for ; Tue, 8 Jun 2021 19:16:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F389B613D6 for ; Tue, 8 Jun 2021 19:16:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237884AbhFHTSC (ORCPT ); Tue, 8 Jun 2021 15:18:02 -0400 Received: from mail.kernel.org ([198.145.29.99]:35180 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236098AbhFHTQA (ORCPT ); Tue, 8 Jun 2021 15:16:00 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 3A08361964; Tue, 8 Jun 2021 18:50:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1623178255; bh=GtcUDaoux+cyQJqgTS8H+JezRHbXc+bM0XZNSnmBlnY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KUZNO1KDH2iZ0n2k5FzdBCnlGNZt8y1meDw3T/t7pqv52Y+5K0sdl+Vvu743iBuJ/ 2tCA/K53SXOmosrlmlV+ZvtTeXfgvGwEACXMpMVo3QGs1GLexwdJ+mz3EvWmEANtsh hi/ERQtWJw18uzpM66STEOBZZ8tYF9Qx36NMFsGA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Alexander Deucher , Luben Tuikov , =?utf-8?q?Christian_K=C3=B6nig?= , Alex Deucher Subject: [PATCH 5.12 135/161] drm/amdgpu: Dont query CE and UE errors Date: Tue, 8 Jun 2021 20:27:45 +0200 Message-Id: <20210608175950.013630783@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210608175945.476074951@linuxfoundation.org> References: <20210608175945.476074951@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Luben Tuikov commit dce3d8e1d070900e0feeb06787a319ff9379212c upstream. On QUERY2 IOCTL don't query counts of correctable and uncorrectable errors, since when RAS is enabled and supported on Vega20 server boards, this takes insurmountably long time, in O(n^3), which slows the system down to the point of it being unusable when we have GUI up. Fixes: ae363a212b14 ("drm/amdgpu: Add a new flag to AMDGPU_CTX_OP_QUERY_STATE2") Cc: Alexander Deucher Cc: stable@vger.kernel.org Signed-off-by: Luben Tuikov Reviewed-by: Alexander Deucher Reviewed-by: Christian König Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 16 ---------------- 1 file changed, 16 deletions(-) --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c @@ -337,7 +337,6 @@ static int amdgpu_ctx_query2(struct amdg { struct amdgpu_ctx *ctx; struct amdgpu_ctx_mgr *mgr; - unsigned long ras_counter; if (!fpriv) return -EINVAL; @@ -362,21 +361,6 @@ static int amdgpu_ctx_query2(struct amdg if (atomic_read(&ctx->guilty)) out->state.flags |= AMDGPU_CTX_QUERY2_FLAGS_GUILTY; - /*query ue count*/ - ras_counter = amdgpu_ras_query_error_count(adev, false); - /*ras counter is monotonic increasing*/ - if (ras_counter != ctx->ras_counter_ue) { - out->state.flags |= AMDGPU_CTX_QUERY2_FLAGS_RAS_UE; - ctx->ras_counter_ue = ras_counter; - } - - /*query ce count*/ - ras_counter = amdgpu_ras_query_error_count(adev, true); - if (ras_counter != ctx->ras_counter_ce) { - out->state.flags |= AMDGPU_CTX_QUERY2_FLAGS_RAS_CE; - ctx->ras_counter_ce = ras_counter; - } - mutex_unlock(&mgr->lock); return 0; }