Correctly allow and revoke buffer access on each open/close via the new
VMA offset manager.
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: David Herrmann <dh.herrmann@xxxxxxxxx>
---
drivers/gpu/drm/radeon/radeon_gem.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index dce99c8..58f5cc5 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -147,12 +147,17 @@ int radeon_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_pri
struct radeon_bo_va *bo_va;
int r;
+ r = drm_vma_node_allow(&rbo->tbo.vma_node, file_priv->filp);
+ if (r)
+ return r;
+
if (rdev->family < CHIP_CAYMAN) {
return 0;
}
r = radeon_bo_reserve(rbo, false);
if (r) {
+ drm_vma_node_revoke(&rbo->tbo.vma_node, file_priv->filp);
return r;
}
@@ -177,6 +182,8 @@ void radeon_gem_object_close(struct drm_gem_object *obj,
struct radeon_bo_va *bo_va;
int r;
+ drm_vma_node_revoke(&rbo->tbo.vma_node, file_priv->filp);
+
if (rdev->family < CHIP_CAYMAN) {
return;
}
--
1.8.3.4
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