Re: [Intel-gfx] [PATCH 3/4] drm/i915/guc: Print error name on CTB send failure

From: Daniel Vetter <daniel@ffwll.ch>
To: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH 3/4] drm/i915/guc: Print error name on CTB send failure
Date: Wed, 18 Aug 2021 16:22:09 +0200	[thread overview]
Message-ID: <YR0XkdmLCokUyiWn@phenom.ffwll.local> (raw)
In-Reply-To: <20210701155513.2024-4-michal.wajdeczko@intel.com>

On Thu, Jul 01, 2021 at 05:55:12PM +0200, Michal Wajdeczko wrote:
> Instead of plain error value (%d) print more user friendly error
> name (%pe).
> 
> Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
> ---
>  drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
> index 18d52c39f0c2..8110586ce1fd 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
> @@ -580,8 +580,8 @@ int intel_guc_ct_send(struct intel_guc_ct *ct, const u32 *action, u32 len,
>  
>  	ret = ct_send(ct, action, len, response_buf, response_buf_size, &status);
>  	if (unlikely(ret < 0)) {
> -		CT_ERROR(ct, "Sending action %#x failed (err=%d status=%#X)\n",
> -			 action[0], ret, status);
> +		CT_ERROR(ct, "Sending action %#x failed (%pe) status=%#X\n",
> +			 action[0], ERR_PTR(ret), status);

errname(), not this, with that:

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>

>  	} else if (unlikely(ret)) {
>  		CT_DEBUG(ct, "send action %#x returned %d (%#x)\n",
>  			 action[0], ret, ret);
> -- 
> 2.25.1
> 
> _______________________________________________
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> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch