From patchwork Wed Sep 9 04:22:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Huacai Chen X-Patchwork-Id: 11764847 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 095EE59D for ; Wed, 9 Sep 2020 04:22:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E39C321D46 for ; Wed, 9 Sep 2020 04:22:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="QvkmPHda" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725807AbgIIEWW (ORCPT ); Wed, 9 Sep 2020 00:22:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57144 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725772AbgIIEWW (ORCPT ); Wed, 9 Sep 2020 00:22:22 -0400 Received: from mail-pj1-x1041.google.com (mail-pj1-x1041.google.com [IPv6:2607:f8b0:4864:20::1041]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2E2E9C061573 for ; Tue, 8 Sep 2020 21:22:22 -0700 (PDT) Received: by mail-pj1-x1041.google.com with SMTP id gf14so694239pjb.5 for ; Tue, 08 Sep 2020 21:22:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=IhJZzsST3gRwdDdOyZSCwbfCQK/u9uNH5w2yjyQDKJM=; b=QvkmPHdaQdUXXGhQr+Tau5FnfMBjaP7F49RjAOfXG58JaFBEmXmjbnkSlRX6GUKy7u mfOgRfGMaQCgrfmM6NfU8Mr/RmNzU6Vm7kE8Wx2/yXMhOfvQKlATzjPceWxay9KCrC0T uSlGXAXhLSiw0NpqnRS2yMIw+oNwoIVe3gJXEeUgS04KkmleQE5w1nX3C2koKC04LkU0 rj6AVy8jvJytRdK9Kyh2immUiKHLKKsrzuiCyzPLvbzYe83CrVxn2WOcIcnzv2w48Wo8 3+DnjC4S2LmOi2pgc7rMDDmlz5lAV6JL/XeAC/NAsKfF103QSHgJ0yxMZhXNdLjkS8V3 jgUg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references; bh=IhJZzsST3gRwdDdOyZSCwbfCQK/u9uNH5w2yjyQDKJM=; b=GZFR8BRVpiDXC4Cl+eCuRohpqo29niI3dqRLiGiY8woSV+RmS2Y8bgitC+Cz3XXodN JjIJ0GK+IdeKD813KMdIqdrLpFdAkuRA1PvESEHUxI/kbMnRQTDHNXKmR4uUFwSLj+go hbg1giwGbJUM1rxzx2WsCID9FuXDoTDFPU8YOgfjlKGCvvlABmFoWoO3T5B3o0FBO6KM bDQQoNtLFVS5JRHdeAWpmmKsiQEUVwnNIQoPm5GdnZY5/RUPNmTZJmr2KzbdvMz/6CcU +OVFyM/MiB79453x2o3q5co5HYFDEyr+FOzg5uEW9wutkN/yuvFYI3kJEeUbqEUsEwyU uRXw== X-Gm-Message-State: AOAM530Ucw7d+pQDygleVppG71A01r0OnuRy8+WhAHVVfVxfJZppFUPh fxJQS1Wmc0Uh2X99zzGFhow= X-Google-Smtp-Source: ABdhPJwgoaZxFlL++AsqWZ9GenxK9itPY4kolz8abE6lCMY2zAGfqPuP/8PiPDSzn1xO6+CeBAINSQ== X-Received: by 2002:a17:90a:178e:: with SMTP id q14mr1987431pja.154.1599625341786; Tue, 08 Sep 2020 21:22:21 -0700 (PDT) Received: from software.domain.org ([45.77.13.216]) by smtp.gmail.com with ESMTPSA id mh8sm582507pjb.32.2020.09.08.21.22.17 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 08 Sep 2020 21:22:21 -0700 (PDT) From: Huacai Chen To: Thomas Bogendoerfer , Thomas Gleixner , Jason Cooper , Marc Zyngier Cc: linux-mips@vger.kernel.org, Fuxin Zhang , Huacai Chen , Jiaxun Yang , Huacai Chen Subject: [PATCH 2/2] drm/amdgpu: Don't use WC for VRAM if !AMDGPU_GEM_CREATE_CPU_GTT_USWC Date: Wed, 9 Sep 2020 12:22:00 +0800 Message-Id: <1599625320-17637-2-git-send-email-chenhc@lemote.com> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1599625320-17637-1-git-send-email-chenhc@lemote.com> References: <1599625320-17637-1-git-send-email-chenhc@lemote.com> Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org Though AMDGPU_GEM_CREATE_CPU_GTT_USWC is initially used for GTT, but this flag is bound to drm_arch_can_wc_memory(), and if arch doesn't support WC, then VRAM should not use WC. Signed-off-by: Huacai Chen --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 5ac7b55..04299f5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -136,8 +136,10 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain) places[c].fpfn = 0; places[c].lpfn = 0; - places[c].flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | - TTM_PL_FLAG_VRAM; + places[c].flags = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_VRAM; + + if (flags & AMDGPU_GEM_CREATE_CPU_GTT_USWC) + places[c].flags |= TTM_PL_FLAG_WC; if (flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) places[c].lpfn = visible_pfn;