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drm/omap: ratelimit OCP error

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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>
This commit is contained in:
Tomi Valkeinen 2017-03-03 12:15:39 +02:00
parent 4b9cdd96e7
commit dc50be89d7
1 changed files with 4 additions and 3 deletions
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7
drivers/gpu/drm/omapdrm/omap_irq.c
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@ -182,12 +182,13 @@ static void omap_irq_fifo_underflow(struct omap_drm_private *priv,
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 irq, void *arg)
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);