[PATCH 04/16] drm/omap: ratelimit OCP error

Laurent Pinchart laurent.pinchart at ideasonboard.com
Wed May 24 12:38:20 UTC 2017


Hi Tomi,

Thank you for the patch.

On Thursday 04 May 2017 13:23:20 Tomi Valkeinen wrote:
> Use dev_err_ratelimited() when an OCP error happens, to slightly easen
> the flood.
> 
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen at ti.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>

> ---
>  drivers/gpu/drm/omapdrm/omap_irq.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/omapdrm/omap_irq.c
> b/drivers/gpu/drm/omapdrm/omap_irq.c index 7afe4b90befd..013b0bba712f
> 100644
> --- 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(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);

-- 
Regards,

Laurent Pinchart



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