So far, we were missing to send the vblank event when disabling the CRTC,
making us never report the last vblank event.
This was causing a time out on the page flip, which should be solved now.
Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/sun4i/sun4i_crtc.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/sun4i/sun4i_crtc.c b/drivers/gpu/drm/sun4i/sun4i_crtc.c
index 4182a21f5923..41cacecbea9a 100644
--- a/drivers/gpu/drm/sun4i/sun4i_crtc.c
+++ b/drivers/gpu/drm/sun4i/sun4i_crtc.c
@@ -65,6 +65,14 @@ static void sun4i_crtc_disable(struct drm_crtc *crtc)
DRM_DEBUG_DRIVER("Disabling the CRTC\n");
sun4i_tcon_disable(drv->tcon);
+
+ if (crtc->state->event && !crtc->state->active) {
+ spin_lock_irq(&crtc->dev->event_lock);
+ drm_crtc_send_vblank_event(crtc, crtc->state->event);
+ spin_unlock_irq(&crtc->dev->event_lock);
+
+ crtc->state->event = NULL;
+ }
}
static void sun4i_crtc_enable(struct drm_crtc *crtc)
--
2.9.0
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