atomic_flush seems to be the right place, right after we commit the plane updates. Again use the fullproof version, since the pipe might be off.
Cc: Boris Brezillon boris.brezillon@free-electrons.com Cc: Maxime Ripard maxime.ripard@free-electrons.com Signed-off-by: Daniel Vetter daniel.vetter@intel.com --- drivers/gpu/drm/sun4i/sun4i_crtc.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/drivers/gpu/drm/sun4i/sun4i_crtc.c b/drivers/gpu/drm/sun4i/sun4i_crtc.c index 4182a21f5923..f628b6d8f23f 100644 --- a/drivers/gpu/drm/sun4i/sun4i_crtc.c +++ b/drivers/gpu/drm/sun4i/sun4i_crtc.c @@ -51,10 +51,22 @@ static void sun4i_crtc_atomic_flush(struct drm_crtc *crtc, { struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc); struct sun4i_drv *drv = scrtc->drv; + struct drm_pending_vblank_event *event = crtc->state->event;
DRM_DEBUG_DRIVER("Committing plane changes\n");
sun4i_backend_commit(drv->backend); + + if (event) { + crtc->state->event = NULL; + + spin_lock_irq(&crtc->dev->event_lock); + if (drm_crtc_vblank_get(crtc) == 0) + drm_crtc_arm_vblank_event(crtc, event); + else + drm_crtc_send_vblank_event(crtc, event); + spin_unlock_irq(&crtc->dev->event_lock); + } }
static void sun4i_crtc_disable(struct drm_crtc *crtc)