[PATCH] drm/amdgpu: use ratelimited print in sdma4 interrupt

[Russell, Kent]

[AMD Public Use]

Acked-by: Kent Russell <kent.russell at amd.com>



> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Feifei Xu
> Sent: Thursday, April 15, 2021 2:11 AM
> To: amd-gfx at lists.freedesktop.org
> Cc: Xu, Feifei <Feifei.Xu at amd.com>
> Subject: [PATCH] drm/amdgpu: use ratelimited print in sdma4 interrupt
> 
> dev_*_ratelimited printing will avoid dmesg flush.
> 
> Signed-off-by: Feifei Xu <Feifei.Xu at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 13 +++++++------
>  1 file changed, 7 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
> b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
> index 06247ad454b6..1bc5292ebb33 100644
> --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
> @@ -2218,7 +2218,7 @@ static int sdma_v4_0_print_iv_entry(struct amdgpu_device
> *adev,
> 
>  	instance = sdma_v4_0_irq_id_to_seq(entry->client_id);
>  	if (instance < 0 || instance >= adev->sdma.num_instances) {
> -		dev_err(adev->dev, "sdma instance invalid %d\n", instance);
> +		dev_err_ratelimited(adev->dev, "sdma instance invalid %d\n", instance);
>  		return -EINVAL;
>  	}
> 
> @@ -2228,7 +2228,7 @@ static int sdma_v4_0_print_iv_entry(struct amdgpu_device
> *adev,
>  	memset(&task_info, 0, sizeof(struct amdgpu_task_info));
>  	amdgpu_vm_get_task_info(adev, entry->pasid, &task_info);
> 
> -	dev_info(adev->dev,
> +	dev_info_ratelimited(adev->dev,
>  		   "[sdma%d] address:0x%016llx src_id:%u ring:%u vmid:%u "
>  		   "pasid:%u, for process %s pid %d thread %s pid %d\n",
>  		   instance, addr, entry->src_id, entry->ring_id, entry->vmid,
> @@ -2241,7 +2241,7 @@ static int sdma_v4_0_process_vm_hole_irq(struct
> amdgpu_device *adev,
>  					      struct amdgpu_irq_src *source,
>  					      struct amdgpu_iv_entry *entry)
>  {
> -	dev_err(adev->dev, "MC or SEM address in VM hole\n");
> +	dev_err_ratelimited(adev->dev, "MC or SEM address in VM hole\n");
>  	sdma_v4_0_print_iv_entry(adev, entry);
>  	return 0;
>  }
> @@ -2250,7 +2250,8 @@ static int sdma_v4_0_process_doorbell_invalid_irq(struct
> amdgpu_device *adev,
>  					      struct amdgpu_irq_src *source,
>  					      struct amdgpu_iv_entry *entry)
>  {
> -	dev_err(adev->dev, "SDMA received a doorbell from BIF with byte_enable
> !=0xff\n");
> +
> +	dev_err_ratelimited(adev->dev, "SDMA received a doorbell from BIF with
> byte_enable !=0xff\n");
>  	sdma_v4_0_print_iv_entry(adev, entry);
>  	return 0;
>  }
> @@ -2259,7 +2260,7 @@ static int sdma_v4_0_process_pool_timeout_irq(struct
> amdgpu_device *adev,
>  					      struct amdgpu_irq_src *source,
>  					      struct amdgpu_iv_entry *entry)
>  {
> -	dev_err(adev->dev,
> +	dev_err_ratelimited(adev->dev,
>  		"Polling register/memory timeout executing POLL_REG/MEM with finite
> timer\n");
>  	sdma_v4_0_print_iv_entry(adev, entry);
>  	return 0;
> @@ -2269,7 +2270,7 @@ static int sdma_v4_0_process_srbm_write_irq(struct
> amdgpu_device *adev,
>  					      struct amdgpu_irq_src *source,
>  					      struct amdgpu_iv_entry *entry)
>  {
> -	dev_err(adev->dev,
> +	dev_err_ratelimited(adev->dev,
>  		"SDMA gets an Register Write SRBM_WRITE command in non-privilege
> command buffer\n");
>  	sdma_v4_0_print_iv_entry(adev, entry);
>  	return 0;
> --
> 2.25.1
> 
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