From patchwork Thu Jun 27 15:53:17 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steven Price X-Patchwork-Id: 11020913 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 80E6F14BB for ; Fri, 28 Jun 2019 01:25:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 624552834A for ; Fri, 28 Jun 2019 01:25:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 545D52842A; Fri, 28 Jun 2019 01:25:55 +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 B18A52834A for ; Fri, 28 Jun 2019 01:25:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 139166E861; Fri, 28 Jun 2019 01:25:52 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by gabe.freedesktop.org (Postfix) with ESMTP id 8C13D6E077 for ; Thu, 27 Jun 2019 15:53:29 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 4331E142F; Thu, 27 Jun 2019 08:53:29 -0700 (PDT) Received: from e112269-lin.arm.com (e112269-lin.cambridge.arm.com [10.1.196.133]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 0B09C3F246; Thu, 27 Jun 2019 08:53:26 -0700 (PDT) From: Steven Price To: Daniel Vetter , Rob Herring , Tomeu Vizoso Subject: [PATCH v4 1/2] drm/gem: Rename drm_gem_dumb_map_offset() to drm_gem_map_offset() Date: Thu, 27 Jun 2019 16:53:17 +0100 Message-Id: <20190627155318.38053-2-steven.price@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190627155318.38053-1-steven.price@arm.com> References: <20190627155318.38053-1-steven.price@arm.com> MIME-Version: 1.0 X-Mailman-Approved-At: Fri, 28 Jun 2019 01:25:51 +0000 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: David Airlie , Seung-Woo Kim , linux-kernel@vger.kernel.org, Krzysztof Kozlowski , Maxime Ripard , Kyungmin Park , Kukjin Kim , dri-devel@lists.freedesktop.org, Steven Price , Sean Paul , Alyssa Rosenzweig Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP drm_gem_dumb_map_offset() is a useful helper for non-dumb clients, so rename it to remove the _dumb and add a comment that it can be used by shmem clients. Signed-off-by: Steven Price --- drivers/gpu/drm/drm_dumb_buffers.c | 4 ++-- drivers/gpu/drm/drm_gem.c | 9 ++++++--- drivers/gpu/drm/exynos/exynos_drm_gem.c | 3 +-- include/drm/drm_gem.h | 4 ++-- 4 files changed, 11 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/drm_dumb_buffers.c b/drivers/gpu/drm/drm_dumb_buffers.c index d18a740fe0f1..b55cfc9e8772 100644 --- a/drivers/gpu/drm/drm_dumb_buffers.c +++ b/drivers/gpu/drm/drm_dumb_buffers.c @@ -48,7 +48,7 @@ * To support dumb objects drivers must implement the &drm_driver.dumb_create * operation. &drm_driver.dumb_destroy defaults to drm_gem_dumb_destroy() if * not set and &drm_driver.dumb_map_offset defaults to - * drm_gem_dumb_map_offset(). See the callbacks for further details. + * drm_gem_map_offset(). See the callbacks for further details. * * Note that dumb objects may not be used for gpu acceleration, as has been * attempted on some ARM embedded platforms. Such drivers really must have @@ -127,7 +127,7 @@ int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, args->handle, &args->offset); else - return drm_gem_dumb_map_offset(file_priv, dev, args->handle, + return drm_gem_map_offset(file_priv, dev, args->handle, &args->offset); } diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index a8c4468f03d9..62842b7701bb 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -298,7 +298,7 @@ drm_gem_handle_delete(struct drm_file *filp, u32 handle) EXPORT_SYMBOL(drm_gem_handle_delete); /** - * drm_gem_dumb_map_offset - return the fake mmap offset for a gem object + * drm_gem_map_offset - return the fake mmap offset for a gem object * @file: drm file-private structure containing the gem object * @dev: corresponding drm_device * @handle: gem object handle @@ -307,10 +307,13 @@ EXPORT_SYMBOL(drm_gem_handle_delete); * This implements the &drm_driver.dumb_map_offset kms driver callback for * drivers which use gem to manage their backing storage. * + * It can also be used by drivers using the shmem backend as they have the + * same restriction that imported objects cannot be mapped. + * * Returns: * 0 on success or a negative error code on failure. */ -int drm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev, +int drm_gem_map_offset(struct drm_file *file, struct drm_device *dev, u32 handle, u64 *offset) { struct drm_gem_object *obj; @@ -336,7 +339,7 @@ int drm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev, return ret; } -EXPORT_SYMBOL_GPL(drm_gem_dumb_map_offset); +EXPORT_SYMBOL_GPL(drm_gem_map_offset); /** * drm_gem_dumb_destroy - dumb fb callback helper for gem based drivers diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index d8f1fe9b68d8..3b8cffc7a8e0 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -272,8 +272,7 @@ int exynos_drm_gem_map_ioctl(struct drm_device *dev, void *data, { struct drm_exynos_gem_map *args = data; - return drm_gem_dumb_map_offset(file_priv, dev, args->handle, - &args->offset); + return drm_gem_map_offset(file_priv, dev, args->handle, &args->offset); } struct exynos_drm_gem *exynos_drm_gem_get(struct drm_file *filp, diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h index a9121fe66ea2..65b884930583 100644 --- a/include/drm/drm_gem.h +++ b/include/drm/drm_gem.h @@ -395,8 +395,8 @@ int drm_gem_fence_array_add(struct xarray *fence_array, int drm_gem_fence_array_add_implicit(struct xarray *fence_array, struct drm_gem_object *obj, bool write); -int drm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev, - u32 handle, u64 *offset); +int drm_gem_map_offset(struct drm_file *file, struct drm_device *dev, + u32 handle, u64 *offset); int drm_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev, uint32_t handle); From patchwork Thu Jun 27 15:53:18 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steven Price X-Patchwork-Id: 11020915 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 0929414BB for ; Fri, 28 Jun 2019 01:25:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EE5292834A for ; Fri, 28 Jun 2019 01:25:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E29BD2842A; Fri, 28 Jun 2019 01:25:58 +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 967512834A for ; Fri, 28 Jun 2019 01:25:58 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 62B306E862; Fri, 28 Jun 2019 01:25:52 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by gabe.freedesktop.org (Postfix) with ESMTP id 059FC6E7F7 for ; Thu, 27 Jun 2019 15:53:32 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B109C1477; Thu, 27 Jun 2019 08:53:31 -0700 (PDT) Received: from e112269-lin.arm.com (e112269-lin.cambridge.arm.com [10.1.196.133]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 78AA33F246; Thu, 27 Jun 2019 08:53:29 -0700 (PDT) From: Steven Price To: Daniel Vetter , Rob Herring , Tomeu Vizoso Subject: [PATCH v4 2/2] drm/panfrost: Use drm_gem_map_offset() Date: Thu, 27 Jun 2019 16:53:18 +0100 Message-Id: <20190627155318.38053-3-steven.price@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190627155318.38053-1-steven.price@arm.com> References: <20190627155318.38053-1-steven.price@arm.com> MIME-Version: 1.0 X-Mailman-Approved-At: Fri, 28 Jun 2019 01:25:51 +0000 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: David Airlie , Seung-Woo Kim , linux-kernel@vger.kernel.org, Krzysztof Kozlowski , Maxime Ripard , Kyungmin Park , Kukjin Kim , dri-devel@lists.freedesktop.org, Steven Price , Sean Paul , Alyssa Rosenzweig Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP panfrost_ioctl_mmap_bo() contains a reimplementation of drm_gem_map_offset() but with a bug - it allows mapping imported objects (without going through the exporter). Fix this by switching to use the newly renamed drm_gem_map_offset() function instead which has the bonus of simplifying the code. Signed-off-by: Steven Price Reviewed-by: Alyssa Rosenzweig --- drivers/gpu/drm/panfrost/panfrost_drv.c | 16 ++-------------- 1 file changed, 2 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c index e34e86a7378a..1498b9b07a8f 100644 --- a/drivers/gpu/drm/panfrost/panfrost_drv.c +++ b/drivers/gpu/drm/panfrost/panfrost_drv.c @@ -259,26 +259,14 @@ static int panfrost_ioctl_mmap_bo(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct drm_panfrost_mmap_bo *args = data; - struct drm_gem_object *gem_obj; - int ret; if (args->flags != 0) { DRM_INFO("unknown mmap_bo flags: %d\n", args->flags); return -EINVAL; } - gem_obj = drm_gem_object_lookup(file_priv, args->handle); - if (!gem_obj) { - DRM_DEBUG("Failed to look up GEM BO %d\n", args->handle); - return -ENOENT; - } - - ret = drm_gem_create_mmap_offset(gem_obj); - if (ret == 0) - args->offset = drm_vma_node_offset_addr(&gem_obj->vma_node); - drm_gem_object_put_unlocked(gem_obj); - - return ret; + return drm_gem_map_offset(file_priv, dev, args->handle, + &args->offset); } static int panfrost_ioctl_get_bo_offset(struct drm_device *dev, void *data,