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path: root/drivers/gpu/drm/drm_ioctl.c
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Diffstat (limited to 'drivers/gpu/drm/drm_ioctl.c')
-rw-r--r--drivers/gpu/drm/drm_ioctl.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index 0d4cfb232576..fe49fb0356b5 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -334,6 +334,13 @@ drm_setclientcap(struct drm_device *dev, void *data, struct drm_file *file_priv)
return -EINVAL;
file_priv->aspect_ratio_allowed = req->value;
break;
+ case DRM_CLIENT_CAP_WRITEBACK_CONNECTORS:
+ if (!file_priv->atomic)
+ return -EINVAL;
+ if (req->value > 1)
+ return -EINVAL;
+ file_priv->writeback_connectors = req->value;
+ break;
default:
return -EINVAL;
}