From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Herrmann Subject: [PATCH 02/16] drm/ast: implement mmap access managament Date: Tue, 13 Aug 2013 21:38:23 +0200 Message-ID: <1376422717-12229-3-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-f169.google.com (mail-ea0-f169.google.com [209.85.215.169]) by gabe.freedesktop.org (Postfix) with ESMTP id 64C80E7C64 for ; Tue, 13 Aug 2013 12:39:56 -0700 (PDT) Received: by mail-ea0-f169.google.com with SMTP id z7so4375767eaf.0 for ; Tue, 13 Aug 2013 12:39:55 -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/ast/ast_drv.c | 2 ++ drivers/gpu/drm/ast/ast_drv.h | 4 ++++ drivers/gpu/drm/ast/ast_main.c | 15 +++++++++++++++ 3 files changed, 21 insertions(+) diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c index a144fb0..bc6f2c5 100644 --- a/drivers/gpu/drm/ast/ast_drv.c +++ b/drivers/gpu/drm/ast/ast_drv.c @@ -214,6 +214,8 @@ static struct drm_driver driver = { .gem_init_object = ast_gem_init_object, .gem_free_object = ast_gem_free_object, + .gem_open_object = ast_gem_open_object, + .gem_close_object = ast_gem_close_object, .dumb_create = ast_dumb_create, .dumb_map_offset = ast_dumb_mmap_offset, .dumb_destroy = drm_gem_dumb_destroy, diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h index 796dbb2..e6ab966 100644 --- a/drivers/gpu/drm/ast/ast_drv.h +++ b/drivers/gpu/drm/ast/ast_drv.h @@ -325,6 +325,10 @@ extern int ast_dumb_create(struct drm_file *file, extern int ast_gem_init_object(struct drm_gem_object *obj); extern void ast_gem_free_object(struct drm_gem_object *obj); +extern int ast_gem_open_object(struct drm_gem_object *obj, + struct drm_file *file_priv); +extern void ast_gem_close_object(struct drm_gem_object *obj, + struct drm_file *file_priv); extern int ast_dumb_mmap_offset(struct drm_file *file, struct drm_device *dev, uint32_t handle, diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c index 7f6152d..b7b4b16 100644 --- a/drivers/gpu/drm/ast/ast_main.c +++ b/drivers/gpu/drm/ast/ast_main.c @@ -477,6 +477,21 @@ void ast_gem_free_object(struct drm_gem_object *obj) ast_bo_unref(&ast_bo); } +int ast_gem_open_object(struct drm_gem_object *obj, + struct drm_file *file_priv) +{ + struct ast_bo *ast_bo = gem_to_ast_bo(obj); + + return drm_vma_node_allow(&ast_bo->bo.vma_node, file_priv->filp); +} + +void ast_gem_close_object(struct drm_gem_object *obj, + struct drm_file *file_priv) +{ + struct ast_bo *ast_bo = gem_to_ast_bo(obj); + + drm_vma_node_revoke(&ast_bo->bo.vma_node, file_priv->filp); +} static inline u64 ast_bo_mmap_offset(struct ast_bo *bo) { -- 1.8.3.4