Document that DRM_IOCTL_MODE_CURSOR needs to be called in order to guarantee that the cursor bo contents is updated to the screen. This was agreed upon on the DRI mailing list.
Signed-off-by: Thomas Hellstrom thellstrom@vmware.com --- include/drm/drm_mode.h | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/include/drm/drm_mode.h b/include/drm/drm_mode.h index d30bedf..9006b93 100644 --- a/include/drm/drm_mode.h +++ b/include/drm/drm_mode.h @@ -291,6 +291,11 @@ struct drm_mode_mode_cmd { * crtc * x * y + * + * The DRM_IOCTL_MODE_CURSOR ioctl needs to be called with the CURSOR_BO flag + * in order to guarantee that the cursor image is updated. The implementation + * is free to either update the cursor image when the bo contents change, or + * when the DRM_IOCTL_MODE_CURSOR ioctl is called. */ struct drm_mode_cursor { __u32 flags;