Ensure that any queued events are issued when disabling the crtc. This avoids timeouts when we come back and wait for dependencies (like the previous frame's flip_done).
Changes in v2: - None
Signed-off-by: Sean Paul seanpaul@chromium.org --- drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c index 76b96081916f..10271359789e 100644 --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c @@ -430,6 +430,7 @@ static void mdp5_crtc_atomic_disable(struct drm_crtc *crtc, struct mdp5_crtc_state *mdp5_cstate = to_mdp5_crtc_state(crtc->state); struct mdp5_kms *mdp5_kms = get_kms(crtc); struct device *dev = &mdp5_kms->pdev->dev; + unsigned long flags;
DBG("%s", crtc->name);
@@ -445,6 +446,14 @@ static void mdp5_crtc_atomic_disable(struct drm_crtc *crtc, mdp_irq_unregister(&mdp5_kms->base, &mdp5_crtc->err); pm_runtime_put_sync(dev);
+ if (crtc->state->event && !crtc->state->active) { + WARN_ON(mdp5_crtc->event); + spin_lock_irqsave(&mdp5_kms->dev->event_lock, flags); + drm_crtc_send_vblank_event(crtc, crtc->state->event); + crtc->state->event = NULL; + spin_unlock_irqrestore(&mdp5_kms->dev->event_lock, flags); + } + mdp5_crtc->enabled = false; }