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=-19.1 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, 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 3F799C04FF3 for ; Mon, 24 May 2021 15:58:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1DEC7613F6 for ; Mon, 24 May 2021 15:58:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235024AbhEXP7e (ORCPT ); Mon, 24 May 2021 11:59:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:38928 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235221AbhEXPzC (ORCPT ); Mon, 24 May 2021 11:55:02 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 488176143A; Mon, 24 May 2021 15:40:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1621870842; bh=X1nSI36gVj+lwwu87lKIKivvc1Xlem4MisVkfCpIYWI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vuX2nuMMe/5Ydiz4TUNj7Mc5GjM4mrSEkrFlCAYsArthpFYcIjVKJ5sNh+qy0CF5J R+85gpQ5o6LO0BWlHEq10f+ZfrpIXcLH2+FkP/E8N0NTop3VrfeuoVWlDYcXWnlTZB u57926XyAPksIveZvoHKsnJbryqSVti51jqJg9Iw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, =?UTF-8?q?Christian=20K=C3=B6nig?= , Yi Li , Huacai Chen , Alex Deucher Subject: [PATCH 5.10 060/104] drm/amdgpu: Fix GPU TLB update error when PAGE_SIZE > AMDGPU_PAGE_SIZE Date: Mon, 24 May 2021 17:25:55 +0200 Message-Id: <20210524152334.845491646@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210524152332.844251980@linuxfoundation.org> References: <20210524152332.844251980@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Yi Li commit d53751568359e5b3ffb859b13cbd79dc77a571f1 upstream. When PAGE_SIZE is larger than AMDGPU_PAGE_SIZE, the number of GPU TLB entries which need to update in amdgpu_map_buffer() should be multiplied by AMDGPU_GPU_PAGES_IN_CPU_PAGE (PAGE_SIZE / AMDGPU_PAGE_SIZE). Reviewed-by: Christian König Signed-off-by: Yi Li Signed-off-by: Huacai Chen Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -267,7 +267,7 @@ static int amdgpu_ttm_map_buffer(struct *addr += offset & ~PAGE_MASK; num_dw = ALIGN(adev->mman.buffer_funcs->copy_num_dw, 8); - num_bytes = num_pages * 8; + num_bytes = num_pages * 8 * AMDGPU_GPU_PAGES_IN_CPU_PAGE; r = amdgpu_job_alloc_with_ib(adev, num_dw * 4 + num_bytes, AMDGPU_IB_POOL_DELAYED, &job);