[PATCH] drm/msm: ratelimit error irq msgs

Rob Clark robdclark at gmail.com
Wed Dec 2 11:40:44 PST 2015


When things go bad and don't recover, we can be getting an err irq every
vblank.

Signed-off-by: Rob Clark <robdclark at gmail.com>
---
 drivers/gpu/drm/msm/mdp/mdp4/mdp4_irq.c | 2 +-
 drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_irq.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_irq.c
index 5ed38cf..a521207 100644
--- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_irq.c
+++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_irq.c
@@ -29,7 +29,7 @@ void mdp4_set_irqmask(struct mdp_kms *mdp_kms, uint32_t irqmask,
 
 static void mdp4_irq_error_handler(struct mdp_irq *irq, uint32_t irqstatus)
 {
-	DRM_ERROR("errors: %08x\n", irqstatus);
+	DRM_ERROR_RATELIMITED("errors: %08x\n", irqstatus);
 }
 
 void mdp4_irq_preinstall(struct msm_kms *kms)
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c
index b0d4b53..73bc3e3 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_irq.c
@@ -31,7 +31,7 @@ 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)
 {
-	DRM_ERROR("errors: %08x\n", irqstatus);
+	DRM_ERROR_RATELIMITED("errors: %08x\n", irqstatus);
 }
 
 void mdp5_irq_preinstall(struct msm_kms *kms)
-- 
2.5.0



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