diff options
Diffstat (limited to 'include/drm/drm_simple_kms_helper.h')
| -rw-r--r-- | include/drm/drm_simple_kms_helper.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/drm/drm_simple_kms_helper.h b/include/drm/drm_simple_kms_helper.h index 269039722f91..826946ca2b82 100644 --- a/include/drm/drm_simple_kms_helper.h +++ b/include/drm/drm_simple_kms_helper.h @@ -60,6 +60,12 @@ struct drm_simple_display_pipe_funcs { * * This function is called when the underlying plane state is updated. * This hook is optional. + * + * This is the function drivers should submit the + * &drm_pending_vblank_event from. Using either + * drm_crtc_arm_vblank_event(), when the driver supports vblank + * interrupt handling, or drm_crtc_send_vblank_event() directly in case + * the hardware lacks vblank support entirely. */ void (*update)(struct drm_simple_display_pipe *pipe, struct drm_plane_state *plane_state); |