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Message-ID: <d2a020024a0af609392649aac1ce037225d5e524.camel@collabora.com>
Date: Thu, 20 Jun 2024 11:20:41 -0400
From: Nicolas Dufresne <nicolas.dufresne@...labora.com>
To: "Jackson.lee" <jackson.lee@...psnmedia.com>, mchehab@...nel.org, 
	sebastian.fricke@...labora.com
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, 
	hverkuil@...all.nl, nas.chung@...psnmedia.com, lafley.kim@...psnmedia.com, 
	b-brnich@...com
Subject: Re: [RESEND PATCH v6 2/4] media: chips-media: wave5: Support
 runtime suspend/resume

Hi,

one more thing I notice below when comparing with Hantro ...

Le lundi 17 juin 2024 à 19:48 +0900, Jackson.lee a écrit :
> From: "jackson.lee" <jackson.lee@...psnmedia.com>
> 

[...]

>  
>  err_enc_unreg:
> @@ -295,6 +334,9 @@ static void wave5_vpu_remove(struct platform_device *pdev)
>  		hrtimer_cancel(&dev->hrtimer);
>  	}
>  
> +	pm_runtime_put_sync(&pdev->dev);

I don't know if its strictly needed, but I noticed that Hantro calls
pm_runtime_dont_use_autosuspend() in its remove function. Can you check if this
is strictly needed, we don't want anything to call again later if we are
removing the module, so better check.

Nicolas

> +	pm_runtime_disable(&pdev->dev);
> +
>  	mutex_destroy(&dev->dev_lock);
>  	mutex_destroy(&dev->hw_lock);
>  	clk_bulk_disable_unprepare(dev->num_clks, dev->clks);
> @@ -320,6 +362,7 @@ static struct platform_driver wave5_vpu_driver = {
>  	.driver = {
>  		.name = VPU_PLATFORM_DEVICE_NAME,
>  		.of_match_table = of_match_ptr(wave5_dt_ids),
> +		.pm = &wave5_pm_ops,
>  		},
>  	.probe = wave5_vpu_probe,
>  	.remove_new = wave5_vpu_remove,


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