Re: [CI-RESEND 2/3] drm/i915/guc: downgrade some DRM_ERROR() messages to DRM_WARN()

[Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>]

On 19/07/16 13:20, Dave Gordon wrote:
> Where we're going to continue regardless of the problem, rather than
> fail, then the message should be a WARNing rather than an ERROR.
>
> Signed-off-by: Dave Gordon <david.s.gordon@intel.com>
> ---
>   drivers/gpu/drm/i915/i915_guc_submission.c | 18 +++++++-----------
>   1 file changed, 7 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c
> index 2112e02..e299b64 100644
> --- a/drivers/gpu/drm/i915/i915_guc_submission.c
> +++ b/drivers/gpu/drm/i915/i915_guc_submission.c
> @@ -114,10 +114,8 @@ static int host2guc_action(struct intel_guc *guc, u32 *data, u32 len)
>   		if (ret != -ETIMEDOUT)
>   			ret = -EIO;
>
> -		DRM_ERROR("GUC: host2guc action 0x%X failed. ret=%d "
> -				"status=0x%08X response=0x%08X\n",
> -				data[0], ret, status,
> -				I915_READ(SOFT_SCRATCH(15)));
> +		DRM_WARN("Action 0x%X failed; ret=%d status=0x%08X response=0x%08X\n",
> +			 data[0], ret, status, I915_READ(SOFT_SCRATCH(15)));
>
>   		dev_priv->guc.action_fail += 1;
>   		dev_priv->guc.action_err = ret;
> @@ -553,8 +551,8 @@ static int guc_ring_doorbell(struct i915_guc_client *gc)
>   		if (db_ret.db_status == GUC_DOORBELL_DISABLED)
>   			break;
>
> -		DRM_ERROR("Cookie mismatch. Expected %d, returned %d\n",
> -			  db_cmp.cookie, db_ret.cookie);
> +		DRM_WARN("Cookie mismatch. Expected %d, found %d\n",
> +			 db_cmp.cookie, db_ret.cookie);
>
>   		/* update the cookie to newly read cookie from GuC */
>   		db_cmp.cookie = db_ret.cookie;
> @@ -726,8 +724,8 @@ static void guc_init_doorbell_hw(struct intel_guc *guc)
>   	/* Restore to original value */
>   	err = guc_update_doorbell_id(guc, client, db_id);
>   	if (err)
> -		DRM_ERROR("Failed to restore doorbell to %d, err %d\n",
> -			db_id, err);
> +		DRM_WARN("Failed to restore doorbell to %d, err %d\n",
> +			 db_id, err);
>
>   	for (i = 0; i < GUC_MAX_DOORBELLS; ++i) {
>   		i915_reg_t drbreg = GEN8_DRBREGL(i);
> @@ -819,8 +817,6 @@ static void guc_init_doorbell_hw(struct intel_guc *guc)
>   	return client;
>
>   err:
> -	DRM_ERROR("FAILED to create priority %u GuC client!\n", priority);
> -
>   	guc_client_free(dev_priv, client);
>   	return NULL;
>   }
> @@ -998,7 +994,7 @@ int i915_guc_submission_enable(struct drm_i915_private *dev_priv)
>   				  GUC_CTX_PRIORITY_KMD_NORMAL,
>   				  dev_priv->kernel_context);
>   	if (!client) {
> -		DRM_ERROR("Failed to create execbuf guc_client\n");
> +		DRM_ERROR("Failed to create normal GuC client!\n");
>   		return -ENOMEM;
>   	}
>
>

Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

Regards,

Tvrtko
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