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

BugLink: https://bugs.launchpad.net/bugs/1868623
[ Upstream commit ef8c9809acb0805c991bba8bdd4749fc46d44a98 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>

diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c
index e414850dbbdac72dbafae9277ad483ff000329ed..1c98b6e6d0dd3895e71f641fcd3e13cc8140a8b2 100644 (file)
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c
@@ -1064,8 +1064,8 @@ 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)