drm/msm/dpu: Ratelimit framedone timeout msgs

When we start getting these, we get a *lot*.  So ratelimit it to not
flood dmesg.

Signed-off-by: Rob Clark <[email protected]>
Reviewed-by: Abhinav Kumar <[email protected]>
Reviewed-by: Marijn Suijten <[email protected]>
Patchwork: https://patchwork.freedesktop.org/patch/571584/
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Baryshkov <[email protected]>

Author: robclark

drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c

@@ -39,6 +39,9 @@
 #define DPU_ERROR_ENC(e, fmt, ...) DPU_ERROR("enc%d " fmt,\
 		(e) ? (e)->base.base.id : -1, ##__VA_ARGS__)
 
+#define DPU_ERROR_ENC_RATELIMITED(e, fmt, ...) DPU_ERROR_RATELIMITED("enc%d " fmt,\
+		(e) ? (e)->base.base.id : -1, ##__VA_ARGS__)
+
 /*
  * Two to anticipate panels that can do cmd/vid dynamic switching
  * plan is to create all possible physical encoder types, and switch between
@@ -2279,7 +2282,7 @@ static void dpu_encoder_frame_done_timeout(struct timer_list *t)
 		return;
 	}
 
-	DPU_ERROR_ENC(dpu_enc, "frame done timeout\n");
+	DPU_ERROR_ENC_RATELIMITED(dpu_enc, "frame done timeout\n");
 
 	if (atomic_inc_return(&dpu_enc->frame_done_timeout_cnt) == 1)
 		msm_disp_snapshot_state(drm_enc->dev);

drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h

@@ -51,6 +51,7 @@
 	} while (0)
 
 #define DPU_ERROR(fmt, ...) pr_err("[dpu error]" fmt, ##__VA_ARGS__)
+#define DPU_ERROR_RATELIMITED(fmt, ...) pr_err_ratelimited("[dpu error]" fmt, ##__VA_ARGS__)
 
 /**
  * ktime_compare_safe - compare two ktime structures