[PATCH] drm/msm/mdp5: rate limit pp done timeout warnings

From: Brian Masney
Date: Sat Jan 18 2020 - 15:41:52 EST


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@xxxxxxxxxxxxx>
---
drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c
index 05cc04f729d6..e1cc541e0ef2 100644
--- 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)
--
2.24.1