From: Tomi Valkeinen <tomi.valkeinen@ti.com>
Date: Fri, 3 Mar 2017 12:15:39 +0200
Subject: drm/omap: ratelimit OCP error
Git-commit: dc50be89d78fa381b07ed11b82b00674dd6bf6b7
Patch-mainline: v4.13-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Use dev_err_ratelimited() when an OCP error happens, to slightly easen
the flood.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/omapdrm/omap_irq.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
--- a/drivers/gpu/drm/omapdrm/omap_irq.c
+++ b/drivers/gpu/drm/omapdrm/omap_irq.c
@@ -182,12 +182,13 @@ static void omap_irq_fifo_underflow(stru
pr_cont("(0x%08x)\n", irqstatus);
}
-static void omap_irq_ocp_error_handler(u32 irqstatus)
+static void omap_irq_ocp_error_handler(struct drm_device *dev,
+ u32 irqstatus)
{
if (!(irqstatus & DISPC_IRQ_OCP_ERR))
return;
- DRM_ERROR("OCP error\n");
+ dev_err_ratelimited(dev->dev, "OCP error\n");
}
static irqreturn_t omap_irq_handler(int irq, void *arg)
@@ -218,7 +219,7 @@ static irqreturn_t omap_irq_handler(int
omap_crtc_error_irq(crtc, irqstatus);
}
- omap_irq_ocp_error_handler(irqstatus);
+ omap_irq_ocp_error_handler(dev, irqstatus);
omap_irq_fifo_underflow(priv, irqstatus);
spin_lock_irqsave(&priv->wait_lock, flags);