From: Rob Clark <robdclark@gmail.com>
Date: Thu, 7 May 2015 19:19:02 +0000 (-0400)
Subject: drm/msm/dsi: use pr_err_ratelimited
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ff431fa4d96fc34568454aae4cc264a7760636a8;p=linux-beck.git

drm/msm/dsi: use pr_err_ratelimited

When things go badly we can get a lot of these error irqs.  Let's not
DoS the user.

Signed-off-by: Rob Clark <robdclark@gmail.com>
---

diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index a3ff0e296604..47a7f0036478 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -1215,7 +1215,7 @@ static void dsi_err_worker(struct work_struct *work)
 		container_of(work, struct msm_dsi_host, err_work);
 	u32 status = msm_host->err_work_state;
 
-	pr_err("%s: status=%x\n", __func__, status);
+	pr_err_ratelimited("%s: status=%x\n", __func__, status);
 	if (status & DSI_ERR_STATE_MDP_FIFO_UNDERFLOW)
 		dsi_sw_reset_restore(msm_host);