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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,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 CF51DC47080 for ; Tue, 1 Jun 2021 12:25:33 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 835A1613AD for ; Tue, 1 Jun 2021 12:25:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 835A1613AD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C11E56E81A; Tue, 1 Jun 2021 12:25:32 +0000 (UTC) Received: from mail-ej1-x630.google.com (mail-ej1-x630.google.com [IPv6:2a00:1450:4864:20::630]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3E3306E81A for ; Tue, 1 Jun 2021 12:25:31 +0000 (UTC) Received: by mail-ej1-x630.google.com with SMTP id c10so152283eja.11 for ; Tue, 01 Jun 2021 05:25:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=VoTWS/87xc9Zjaf7PHubhLBqerJydu+ogYjpwhfGsIs=; b=lmMslY4ubfVxIwz2LWrqXBVGTVVGVNWzle3W013SrPxrmS6q6dIFVnicidD/9Q82DM fn8C5cmTGKLXIbQQdP3PJdigvjsFWj55V7oDm1+FFVqQsXykbGBjSFV9FTObqcP4/y8W 5sQKK4r+MXTDRS8fEG6/Ot2Xip5ifl8HH0F9CNJorwF0U1AwdO0MvLaXBVCKFiGclHVd ZYhdPCKceVwVfTmXktSTHGI/29wmR0m2WhB9ClSe1e7765nmENO6Rd/qoEwxdQtO7a1Y uSU3rCINRhHW9o0yrunQ5hl7W2XUcl/KED2gSAwIAG0RwcxTqnChV/vg6D2ugflzkGBR vzFw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=VoTWS/87xc9Zjaf7PHubhLBqerJydu+ogYjpwhfGsIs=; b=O/l7SLJBmW3jUfJ2CKjTAO19KC4QesJmVkIXxZjXx1i3XgjVaT32pm8rYlP/Rt9nNy GBb8BEkd4fw3yWz9Feto1fPWeKKEB4iPTzTDwPkSUF4MRwl5S2M1Y0cnRETlTpMi8mEC MCikyE0iTtrlpCHQF+UxbOkSq/vD5AsBWbau3LmONtnL7TlO12q6ROJfxERzSrXEavaZ CknGcoIsobhiOv8MewWW7ToAYJYP4Tv+L4VzceULwm9PMM4C6fJGREVUa61aSdjOpjwB jGgsuQ3oJX0aLsqH+RYvm/TMk+/i3sTfjDEYn3GOCe+43cHsihdpsrDQglJ1QIa8iDuU WUFg== X-Gm-Message-State: AOAM5300a2pIpw6KBsdjeTMjnUCisyTlu9kOf/06ZZ05e/xgiSx0pGVI OcKt1GCp4F9B4wQN7/ZfT88= X-Google-Smtp-Source: ABdhPJwJau5PdCv9/th8dvdpo4MwDuIxlTwWMjtVu3vKElftXskoAtmcl0iAO9CX38j5MtQlv0OvvQ== X-Received: by 2002:a17:906:e10d:: with SMTP id gj13mr11811418ejb.150.1622550329968; Tue, 01 Jun 2021 05:25:29 -0700 (PDT) Received: from abel.fritz.box ([2a02:908:1252:fb60:fba0:a784:4c4a:8bc0]) by smtp.gmail.com with ESMTPSA id f7sm8534845edd.5.2021.06.01.05.25.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Jun 2021 05:25:29 -0700 (PDT) From: "=?UTF-8?q?Christian=20K=C3=B6nig?=" X-Google-Original-From: =?UTF-8?q?Christian=20K=C3=B6nig?= To: Lang.Yu@amd.com, thomas_os@shipmail.org Subject: [PATCH 1/4] drm/ttm: add TTM_PL_FLAG_TEMPORARY flag v3 Date: Tue, 1 Jun 2021 14:25:25 +0200 Message-Id: <20210601122528.1643-1-christian.koenig@amd.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Lang Yu Sometimes drivers need to use bounce buffers to evict BOs. While those reside in some domain they are not necessarily suitable for CS. Add a flag so that drivers can note that a bounce buffers needs to be reallocated during validation. v2: add detailed comments v3 (chk): merge commits and rework commit message Suggested-by: Christian König Signed-off-by: Lang Yu Signed-off-by: Christian König --- drivers/gpu/drm/ttm/ttm_bo.c | 3 +++ include/drm/ttm/ttm_placement.h | 7 +++++-- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 51a94fd63bd7..6b393502198e 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -929,6 +929,9 @@ static bool ttm_bo_places_compat(const struct ttm_place *places, { unsigned i; + if (mem->placement & TTM_PL_FLAG_TEMPORARY) + return false; + for (i = 0; i < num_placement; i++) { const struct ttm_place *heap = &places[i]; diff --git a/include/drm/ttm/ttm_placement.h b/include/drm/ttm/ttm_placement.h index aa6ba4d0cf78..8995c9e4ec1b 100644 --- a/include/drm/ttm/ttm_placement.h +++ b/include/drm/ttm/ttm_placement.h @@ -47,8 +47,11 @@ * top of the memory area, instead of the bottom. */ -#define TTM_PL_FLAG_CONTIGUOUS (1 << 19) -#define TTM_PL_FLAG_TOPDOWN (1 << 22) +#define TTM_PL_FLAG_CONTIGUOUS (1 << 0) +#define TTM_PL_FLAG_TOPDOWN (1 << 1) + +/* For multihop handling */ +#define TTM_PL_FLAG_TEMPORARY (1 << 2) /** * struct ttm_place -- 2.25.1