Correctly allow and revoke buffer access on each open/close via the new VMA offset manager.
Cc: Alex Deucher alexander.deucher@amd.com Signed-off-by: David Herrmann dh.herrmann@gmail.com --- 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; }