From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Herrmann Subject: [PATCH 04/16] drm/mgag200: implement mmap access managament Date: Tue, 13 Aug 2013 21:38:25 +0200 Message-ID: <1376422717-12229-5-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-ea0-f181.google.com (mail-ea0-f181.google.com [209.85.215.181]) by gabe.freedesktop.org (Postfix) with ESMTP id B5260E7C5B for ; Tue, 13 Aug 2013 12:39:59 -0700 (PDT) Received: by mail-ea0-f181.google.com with SMTP id d10so4391187eaj.12 for ; Tue, 13 Aug 2013 12:39:58 -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/mgag200/mgag200_drv.c | 2 ++ drivers/gpu/drm/mgag200/mgag200_drv.h | 4 ++++ drivers/gpu/drm/mgag200/mgag200_main.c | 15 +++++++++++++++ 3 files changed, 21 insertions(+) diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.c b/drivers/gpu/drm/mgag200/mgag200_drv.c index bd91964..c9b0aa7 100644 --- a/drivers/gpu/drm/mgag200/mgag200_drv.c +++ b/drivers/gpu/drm/mgag200/mgag200_drv.c @@ -102,6 +102,8 @@ static struct drm_driver driver = { .gem_init_object = mgag200_gem_init_object, .gem_free_object = mgag200_gem_free_object, + .gem_open_object = mgag200_gem_open_object, + .gem_close_object = mgag200_gem_close_object, .dumb_create = mgag200_dumb_create, .dumb_map_offset = mgag200_dumb_mmap_offset, .dumb_destroy = drm_gem_dumb_destroy, diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h index baaae19..3e39b67 100644 --- a/drivers/gpu/drm/mgag200/mgag200_drv.h +++ b/drivers/gpu/drm/mgag200/mgag200_drv.h @@ -265,6 +265,10 @@ int mgag200_dumb_create(struct drm_file *file, struct drm_device *dev, struct drm_mode_create_dumb *args); void mgag200_gem_free_object(struct drm_gem_object *obj); +int mgag200_gem_open_object(struct drm_gem_object *obj, + struct drm_file *file_priv); +void mgag200_gem_close_object(struct drm_gem_object *obj, + struct drm_file *file_priv); int mgag200_dumb_mmap_offset(struct drm_file *file, struct drm_device *dev, diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c index 0f8b861..68578e7 100644 --- a/drivers/gpu/drm/mgag200/mgag200_main.c +++ b/drivers/gpu/drm/mgag200/mgag200_main.c @@ -339,6 +339,21 @@ void mgag200_gem_free_object(struct drm_gem_object *obj) mgag200_bo_unref(&mgag200_bo); } +int mgag200_gem_open_object(struct drm_gem_object *obj, + struct drm_file *file_priv) +{ + struct mgag200_bo *bo = gem_to_mga_bo(obj); + + return drm_vma_node_allow(&bo->bo.vma_node, file_priv->filp); +} + +void mgag200_gem_close_object(struct drm_gem_object *obj, + struct drm_file *file_priv) +{ + struct mgag200_bo *bo = gem_to_mga_bo(obj); + + drm_vma_node_revoke(&bo->bo.vma_node, file_priv->filp); +} static inline u64 mgag200_bo_mmap_offset(struct mgag200_bo *bo) { -- 1.8.3.4