diff options
| author | Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com> | 2022-07-19 05:38:08 +0530 |
|---|---|---|
| committer | Ramalingam C <ramalingam.c@intel.com> | 2022-08-08 20:04:13 +0530 |
| commit | e9d1686d3e9e833c028edb4542499ccb412e8c3b (patch) | |
| tree | a1db57c85d30d3898049ea1faba286ade062b082 | |
| parent | 96bfa2b60ab46fb096ae822503eea8b8e2e2b02c (diff) | |
drm/i915/dmabuf: Deny the dmabuf export for VM private BOs
VM private BOs can be only mapped on specified VM and cannot be dmabuf
exported.
Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c index f5062d0c6333..6433173c3e84 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c @@ -218,6 +218,12 @@ struct dma_buf *i915_gem_prime_export(struct drm_gem_object *gem_obj, int flags) struct drm_i915_gem_object *obj = to_intel_bo(gem_obj); DEFINE_DMA_BUF_EXPORT_INFO(exp_info); + if (obj->priv_root) { + drm_dbg(obj->base.dev, + "Exporting VM private objects is not allowed\n"); + return ERR_PTR(-EINVAL); + } + exp_info.ops = &i915_dmabuf_ops; exp_info.size = gem_obj->size; exp_info.flags = flags; |