1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c
index d53e5510fd7c..5c5940db898e 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c
@@ -17,6 +17,8 @@
 
 #include <linux/irq.h>
 
+#include <drm/drm_print.h>
+
 #include "msm_drv.h"
 #include "mdp5_kms.h"
 
@@ -30,7 +32,16 @@ void mdp5_set_irqmask(struct mdp_kms *mdp_kms, uint32_t irqmask,
 
 static void mdp5_irq_error_handler(struct mdp_irq *irq, uint32_t irqstatus)
 {
+        struct mdp5_kms *mdp5_kms = container_of(irq, struct mdp5_kms, error_handler);
+        static DEFINE_RATELIMIT_STATE(rs, 5*HZ, 1);
+        extern bool dumpstate;
+
         DRM_ERROR_RATELIMITED("errors: %08x\n", irqstatus);
+
+        if (dumpstate && __ratelimit(&rs)) {
+                struct drm_printer p = drm_info_printer(mdp5_kms->dev->dev);
+                drm_state_dump(mdp5_kms->dev, &p);
+        }
 }
 
 void mdp5_irq_preinstall(struct msm_kms *kms)