linux-kernel - Re: [PATCH drm/hisilicon 3/3] drm/hisilicon: Use the new api devm_drm_irq

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Date:   Thu, 26 Nov 2020 14:15:06 +0100
From:   Thomas Zimmermann <tzimmermann@...e.de>
To:     Tian Tao <tiantao6@...ilicon.com>, airlied@...ux.ie,
        daniel@...ll.ch, kraxel@...hat.com, alexander.deucher@....com,
        tglx@...utronix.de, dri-devel@...ts.freedesktop.org,
        xinliang.liu@...aro.org, maarten.lankhorst@...ux.intel.com,
        mripard@...nel.org
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH drm/hisilicon 3/3] drm/hisilicon: Use the new api
 devm_drm_irq_install

Hi

Am 26.11.20 um 13:02 schrieb Tian Tao:
> Use devm_drm_irq_install to register interrupts so that
> drm_irq_uninstall is not called when hibmc is removed.
> 
> Signed-off-by: Tian Tao <tiantao6@...ilicon.com>

Reviewed-by: Thomas Zimmermann <tzimmermann@...e.de>

Thanks!

> ---
>   drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 5 +----
>   1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> index ea3d81b..77792e3 100644
> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> @@ -247,9 +247,6 @@ static int hibmc_unload(struct drm_device *dev)
>   
>   	drm_atomic_helper_shutdown(dev);
>   
> -	if (dev->irq_enabled)
> -		drm_irq_uninstall(dev);
> -
>   	pci_disable_msi(dev->pdev);
>   	hibmc_kms_fini(priv);
>   	hibmc_mm_fini(priv);
> @@ -284,7 +281,7 @@ static int hibmc_load(struct drm_device *dev)
>   	if (ret) {
>   		drm_warn(dev, "enabling MSI failed: %d\n", ret);
>   	} else {
> -		ret = drm_irq_install(dev, dev->pdev->irq);
> +		ret = devm_drm_irq_install(dev, dev->pdev->irq);
>   		if (ret)
>   			drm_warn(dev, "install irq failed: %d\n", ret);
>   	}
> 

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer

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