From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Herrmann Subject: [PATCH 03/16] drm/cirrus: implement mmap access managament Date: Tue, 13 Aug 2013 21:38:24 +0200 Message-ID: <1376422717-12229-4-git-send-email-dh.herrmann@gmail.com> References: <1376422717-12229-1-git-send-email-dh.herrmann@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-ee0-f48.google.com (mail-ee0-f48.google.com [74.125.83.48]) by gabe.freedesktop.org (Postfix) with ESMTP id F0EB6E7C59 for ; Tue, 13 Aug 2013 12:39:57 -0700 (PDT) Received: by mail-ee0-f48.google.com with SMTP id l10so4412378eei.35 for ; Tue, 13 Aug 2013 12:39:57 -0700 (PDT) In-Reply-To: <1376422717-12229-1-git-send-email-dh.herrmann@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: dri-devel@lists.freedesktop.org Cc: Dave Airlie List-Id: dri-devel@lists.freedesktop.org Correctly allow and revoke buffer access on each open/close via the new VMA offset manager. Cc: Dave Airlie Signed-off-by: David Herrmann --- drivers/gpu/drm/cirrus/cirrus_drv.h | 4 ++++ drivers/gpu/drm/cirrus/cirrus_main.c | 15 +++++++++++++++ 2 files changed, 19 insertions(+) diff --git a/drivers/gpu/drm/cirrus/cirrus_drv.h b/drivers/gpu/drm/cirrus/cirrus_drv.h index 9b0bb91..2fec34b 100644 --- a/drivers/gpu/drm/cirrus/cirrus_drv.h +++ b/drivers/gpu/drm/cirrus/cirrus_drv.h @@ -193,6 +193,10 @@ int cirrus_device_init(struct cirrus_device *cdev, void cirrus_device_fini(struct cirrus_device *cdev); int cirrus_gem_init_object(struct drm_gem_object *obj); void cirrus_gem_free_object(struct drm_gem_object *obj); +int cirrus_gem_open_object(struct drm_gem_object *obj, + struct drm_file *file_priv); +void cirrus_gem_close_object(struct drm_gem_object *obj, + struct drm_file *file_priv); int cirrus_dumb_mmap_offset(struct drm_file *file, struct drm_device *dev, uint32_t handle, diff --git a/drivers/gpu/drm/cirrus/cirrus_main.c b/drivers/gpu/drm/cirrus/cirrus_main.c index f130a53..7046c4b 100644 --- a/drivers/gpu/drm/cirrus/cirrus_main.c +++ b/drivers/gpu/drm/cirrus/cirrus_main.c @@ -284,6 +284,21 @@ void cirrus_gem_free_object(struct drm_gem_object *obj) cirrus_bo_unref(&cirrus_bo); } +int cirrus_gem_open_object(struct drm_gem_object *obj, + struct drm_file *file_priv) +{ + struct cirrus_bo *bo = gem_to_cirrus_bo(obj); + + return drm_vma_node_allow(&bo->bo.vma_node, file_priv->filp); +} + +void cirrus_gem_close_object(struct drm_gem_object *obj, + struct drm_file *file_priv) +{ + struct cirrus_bo *bo = gem_to_cirrus_bo(obj); + + drm_vma_node_revoke(&bo->bo.vma_node, file_priv->filp); +} static inline u64 cirrus_bo_mmap_offset(struct cirrus_bo *bo) { -- 1.8.3.4