From patchwork Fri Oct 19 08:54:10 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Zimmermann X-Patchwork-Id: 10648869 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E69EF112B for ; Fri, 19 Oct 2018 08:55:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D649928915 for ; Fri, 19 Oct 2018 08:55:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CA012289DF; Fri, 19 Oct 2018 08:55:03 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 78A3828915 for ; Fri, 19 Oct 2018 08:55:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 801BF6E26B; Fri, 19 Oct 2018 08:54:36 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 45C416E248; Fri, 19 Oct 2018 08:54:31 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id AFCF6AECD; Fri, 19 Oct 2018 08:54:29 +0000 (UTC) From: Thomas Zimmermann To: christian.koenig@amd.com, ray.huang@amd.com, Jerry.Zhang@amd.com, alexander.deucher@amd.com, David1.Zhou@amd.com, airlied@linux.ie, kraxel@redhat.com, bskeggs@redhat.com, syeh@vmware.com, z.liuxinliang@hisilicon.com, zourongrong@gmail.com, kong.kongxinwei@hisilicon.com, puck.chen@hisilicon.com Subject: [PATCH 05/18] drm/bochs: Replace TTM initialization/release with ttm_global Date: Fri, 19 Oct 2018 10:54:10 +0200 Message-Id: <20181019085423.28159-6-tzimmermann@suse.de> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181019085423.28159-1-tzimmermann@suse.de> References: <20181019085423.28159-1-tzimmermann@suse.de> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Zimmermann , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Unified initialization and release of the global TTM state is provided by struct ttm_global and its interfaces. Signed-off-by: Thomas Zimmermann --- drivers/gpu/drm/bochs/bochs.h | 5 ++-- drivers/gpu/drm/bochs/bochs_mm.c | 47 +++++--------------------------- 2 files changed, 10 insertions(+), 42 deletions(-) diff --git a/drivers/gpu/drm/bochs/bochs.h b/drivers/gpu/drm/bochs/bochs.h index e7a69077e45a..f73911ac1d77 100644 --- a/drivers/gpu/drm/bochs/bochs.h +++ b/drivers/gpu/drm/bochs/bochs.h @@ -12,6 +12,7 @@ #include #include +#include /* ---------------------------------------------------------------------- */ @@ -76,9 +77,9 @@ struct bochs_device { /* ttm */ struct { - struct drm_global_reference mem_global_ref; - struct ttm_bo_global_ref bo_global_ref; + struct ttm_global glob; struct ttm_bo_device bdev; + bool glob_initialized; bool initialized; } ttm; diff --git a/drivers/gpu/drm/bochs/bochs_mm.c b/drivers/gpu/drm/bochs/bochs_mm.c index ff4f41dec228..bdaab57bcd13 100644 --- a/drivers/gpu/drm/bochs/bochs_mm.c +++ b/drivers/gpu/drm/bochs/bochs_mm.c @@ -16,61 +16,28 @@ static inline struct bochs_device *bochs_bdev(struct ttm_bo_device *bd) return container_of(bd, struct bochs_device, ttm.bdev); } -static int bochs_ttm_mem_global_init(struct drm_global_reference *ref) -{ - return ttm_mem_global_init(ref->object); -} - -static void bochs_ttm_mem_global_release(struct drm_global_reference *ref) -{ - ttm_mem_global_release(ref->object); -} - static int bochs_ttm_global_init(struct bochs_device *bochs) { - struct drm_global_reference *global_ref; - int r; - - global_ref = &bochs->ttm.mem_global_ref; - global_ref->global_type = DRM_GLOBAL_TTM_MEM; - global_ref->size = sizeof(struct ttm_mem_global); - global_ref->init = &bochs_ttm_mem_global_init; - global_ref->release = &bochs_ttm_mem_global_release; - r = drm_global_item_ref(global_ref); + int r = ttm_global_init(&bochs->ttm.glob); if (r != 0) { - DRM_ERROR("Failed setting up TTM memory accounting " - "subsystem.\n"); + DRM_ERROR("Failed setting up TTM subsystem.\n"); return r; } - bochs->ttm.bo_global_ref.mem_glob = - bochs->ttm.mem_global_ref.object; - global_ref = &bochs->ttm.bo_global_ref.ref; - global_ref->global_type = DRM_GLOBAL_TTM_BO; - global_ref->size = sizeof(struct ttm_bo_global); - global_ref->init = &ttm_bo_global_ref_init; - global_ref->release = &ttm_bo_global_ref_release; - r = drm_global_item_ref(global_ref); - if (r != 0) { - DRM_ERROR("Failed setting up TTM BO subsystem.\n"); - drm_global_item_unref(&bochs->ttm.mem_global_ref); - return r; - } + bochs->ttm.glob_initialized = true; return 0; } static void bochs_ttm_global_release(struct bochs_device *bochs) { - if (bochs->ttm.mem_global_ref.release == NULL) + if (!bochs->ttm.glob_initialized) return; - drm_global_item_unref(&bochs->ttm.bo_global_ref.ref); - drm_global_item_unref(&bochs->ttm.mem_global_ref); - bochs->ttm.mem_global_ref.release = NULL; + ttm_global_release(&bochs->ttm.glob); + bochs->ttm.glob_initialized = false; } - static void bochs_bo_ttm_destroy(struct ttm_buffer_object *tbo) { struct bochs_bo *bo; @@ -213,7 +180,7 @@ int bochs_mm_init(struct bochs_device *bochs) return ret; ret = ttm_bo_device_init(&bochs->ttm.bdev, - bochs->ttm.bo_global_ref.ref.object, + bochs->ttm.glob.bo_ref.object, &bochs_bo_driver, bochs->dev->anon_inode->i_mapping, DRM_FILE_PAGE_OFFSET,