drm/msm/mdp5: rate limit pp done timeout warnings

Add rate limiting of the 'pp done time out' warnings since these
warnings can quickly fill the dmesg buffer.

Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>

diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c
index 05cc04f729d638963325b03a288ad502cccae822..e1cc541e0ef2e37a44d20378c1e3b37a493578d6 100644 (file)
--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c
@@ -1109,8 +1109,8 @@ static void mdp5_crtc_wait_for_pp_done(struct drm_crtc *crtc)
        ret = wait_for_completion_timeout(&mdp5_crtc->pp_completion,
                                                msecs_to_jiffies(50));
        if (ret == 0)
-               dev_warn(dev->dev, "pp done time out, lm=%d\n",
-                        mdp5_cstate->pipeline.mixer->lm);
+               dev_warn_ratelimited(dev->dev, "pp done time out, lm=%d\n",
+                                    mdp5_cstate->pipeline.mixer->lm);
 }
 
 static void mdp5_crtc_wait_for_flush_done(struct drm_crtc *crtc)