Correctly allow and revoke buffer access on each open/close via the new
VMA offset manager.
Cc: Dave Airlie <airlied at redhat.com>
Signed-off-by: David Herrmann <dh.herrmann at gmail.com>
---
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
