linux-kernel - Re: [PATCH 1/2] media: venus: hfi: Add error message for timeout error

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Date:   Fri, 25 Mar 2022 08:58:47 +0100
From:   "Luca Weiss" <luca.weiss@...rphone.com>
To:     "Luca Weiss" <luca.weiss@...rphone.com>,
        <linux-arm-msm@...r.kernel.org>
Cc:     <~postmarketos/upstreaming@...ts.sr.ht>,
        "Stanimir Varbanov" <stanimir.varbanov@...aro.org>,
        "Andy Gross" <agross@...nel.org>,
        "Bjorn Andersson" <bjorn.andersson@...aro.org>,
        "Mauro Carvalho Chehab" <mchehab@...nel.org>,
        <linux-media@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] media: venus: hfi: Add error message for timeout
 error

Hi everyone,

any feedback on this patch and the following one?

Regards
Luca

On Fri Jan 14, 2022 at 12:02 PM CET, Luca Weiss wrote:
> This error can appear with wrong configuration and is difficult to find
> as it just returns -ETIMEDOUT with no further message.
>
> Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
> ---
>  drivers/media/platform/qcom/venus/hfi_venus.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/media/platform/qcom/venus/hfi_venus.c b/drivers/media/platform/qcom/venus/hfi_venus.c
> index 3a75a27632fb..9a34662fea38 100644
> --- a/drivers/media/platform/qcom/venus/hfi_venus.c
> +++ b/drivers/media/platform/qcom/venus/hfi_venus.c
> @@ -1583,8 +1583,10 @@ static int venus_suspend_3xx(struct venus_core *core)
>  	 */
>  	ret = readx_poll_timeout(venus_cpu_and_video_core_idle, hdev, val, val,
>  				 1500, 100 * 1500);
> -	if (ret)
> +	if (ret) {
> +		dev_err(dev, "wait for cpu and video core idle fail (%d)\n", ret);
>  		return ret;
> +	}
>  
>  	ret = venus_prepare_power_collapse(hdev, false);
>  	if (ret) {
> -- 
> 2.34.1