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 a3ff0e2..47a7f00 100644 (file)
--- 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);