From patchwork Wed Oct 17 13:04:50 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Noralf_Tr=C3=B8nnes?= X-Patchwork-Id: 10645553 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 42C5317D4 for ; Wed, 17 Oct 2018 13:05:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3835F2AF35 for ; Wed, 17 Oct 2018 13:05:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2C1532AF9F; Wed, 17 Oct 2018 13:05:18 +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 B4E392AF35 for ; Wed, 17 Oct 2018 13:05:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 45B086E37B; Wed, 17 Oct 2018 13:05:15 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from smtp.domeneshop.no (smtp.domeneshop.no [IPv6:2a01:5b40:0:3005::1]) by gabe.freedesktop.org (Postfix) with ESMTPS id 12FBD6E37A for ; Wed, 17 Oct 2018 13:05:14 +0000 (UTC) Received: from 211.81-166-168.customer.lyse.net ([81.166.168.211]:33958 helo=localhost.localdomain) by smtp.domeneshop.no with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_CBC_SHA256:128) (Exim 4.84_2) (envelope-from ) id 1gClVg-0007x9-7F; Wed, 17 Oct 2018 15:05:12 +0200 From: =?utf-8?q?Noralf_Tr=C3=B8nnes?= To: dri-devel@lists.freedesktop.org Subject: [PATCH v5 1/5] drm/driver: Add defaults for .gem_prime_export/import callbacks Date: Wed, 17 Oct 2018 15:04:50 +0200 Message-Id: <20181017130454.44292-2-noralf@tronnes.org> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20181017130454.44292-1-noralf@tronnes.org> References: <20181017130454.44292-1-noralf@tronnes.org> 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: intel-gfx@lists.freedesktop.org, sam@ravnborg.org, david@lechnology.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP The majority of drivers use drm_gem_prime_export() and drm_gem_prime_import() for these callbacks so let's make them the default. Signed-off-by: Noralf Trønnes Acked-by: Daniel Vetter --- Documentation/gpu/todo.rst | 7 +++++++ drivers/gpu/drm/drm_prime.c | 10 ++++++++-- include/drm/drm_drv.h | 4 ++++ 3 files changed, 19 insertions(+), 2 deletions(-) diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst index 5c9d86c962af..abc31956ef15 100644 --- a/Documentation/gpu/todo.rst +++ b/Documentation/gpu/todo.rst @@ -234,6 +234,13 @@ efficient. Contact: Daniel Vetter +Defaults for .gem_prime_import and export +----------------------------------------- + +Most drivers don't need to set drm_driver->gem_prime_import and +->gem_prime_export now that drm_gem_prime_import() and drm_gem_prime_export() +are the default. + Core refactorings ================= diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c index 8d54d51a6b6b..ba6c7e02a2ae 100644 --- a/drivers/gpu/drm/drm_prime.c +++ b/drivers/gpu/drm/drm_prime.c @@ -529,7 +529,10 @@ static struct dma_buf *export_and_register_object(struct drm_device *dev, return dmabuf; } - dmabuf = dev->driver->gem_prime_export(dev, obj, flags); + if (dev->driver->gem_prime_export) + dmabuf = dev->driver->gem_prime_export(dev, obj, flags); + else + dmabuf = drm_gem_prime_export(dev, obj, flags); if (IS_ERR(dmabuf)) { /* normally the created dma-buf takes ownership of the ref, * but if that fails then drop the ref @@ -762,7 +765,10 @@ int drm_gem_prime_fd_to_handle(struct drm_device *dev, /* never seen this one, need to import */ mutex_lock(&dev->object_name_lock); - obj = dev->driver->gem_prime_import(dev, dma_buf); + if (dev->driver->gem_prime_import) + obj = dev->driver->gem_prime_import(dev, dma_buf); + else + obj = drm_gem_prime_import(dev, dma_buf); if (IS_ERR(obj)) { ret = PTR_ERR(obj); goto out_unlock; diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h index 3199ef70c007..dbb2f6ad184a 100644 --- a/include/drm/drm_drv.h +++ b/include/drm/drm_drv.h @@ -471,6 +471,8 @@ struct drm_driver { * @gem_prime_export: * * export GEM -> dmabuf + * + * This defaults to drm_gem_prime_export() if not set. */ struct dma_buf * (*gem_prime_export)(struct drm_device *dev, struct drm_gem_object *obj, int flags); @@ -478,6 +480,8 @@ struct drm_driver { * @gem_prime_import: * * import dmabuf -> GEM + * + * This defaults to drm_gem_prime_import() if not set. */ struct drm_gem_object * (*gem_prime_import)(struct drm_device *dev, struct dma_buf *dma_buf);