diff options
| -rw-r--r-- | drivers/gpu/drm/drm_atomic_uapi.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c index d867e7f9f2cd..be40ff0bc458 100644 --- a/drivers/gpu/drm/drm_atomic_uapi.c +++ b/drivers/gpu/drm/drm_atomic_uapi.c @@ -374,16 +374,25 @@ drm_atomic_replace_property_blob_from_id(struct drm_device *dev, if (blob_id != 0) { new_blob = drm_property_lookup_blob(dev, blob_id); - if (new_blob == NULL) + if (new_blob == NULL) { + drm_dbg_atomic(dev, + "cannot find blob ID %llu\n", blob_id); return -EINVAL; + } if (expected_size > 0 && new_blob->length != expected_size) { + drm_dbg_atomic(dev, + "[BLOB:%d] length %zu different from expected %zu\n", + new_blob->base.id, new_blob->length, expected_size); drm_property_blob_put(new_blob); return -EINVAL; } if (expected_elem_size > 0 && new_blob->length % expected_elem_size != 0) { + drm_dbg_atomic(dev, + "[BLOB:%d] length %zu not divisible by element size %zu\n", + new_blob->base.id, new_blob->length, expected_elem_size); drm_property_blob_put(new_blob); return -EINVAL; } |