Re: [PATCH v14 09/15] drm/panfrost: Warn of RPM get failure at device remove time

[Steven Price <steven.price@arm.com>]

On 09/10/2026 13:33, Adrián Larumbe wrote:
> Rather than just failing silently, let's warn the user of device removal
> not being able to take a PM reference, because it should be seen as fatal.
> 
> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
> Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>

Reviewed-by: Steven Price <steven.price@arm.com>

> ---
>  drivers/gpu/drm/panfrost/panfrost_device.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/panfrost/panfrost_device.c b/drivers/gpu/drm/panfrost/panfrost_device.c
> index a6deabb39fd2..687230225743 100644
> --- a/drivers/gpu/drm/panfrost/panfrost_device.c
> +++ b/drivers/gpu/drm/panfrost/panfrost_device.c
> @@ -9,6 +9,7 @@
>  #include <linux/pm_runtime.h>
>  #include <linux/regulator/consumer.h>
>  #include <drm/drm_drv.h>
> +#include <drm/drm_print.h>
>  
>  #include "panfrost_device.h"
>  #include "panfrost_devfreq.h"
> @@ -385,7 +386,7 @@ int panfrost_device_init(struct panfrost_device *pfdev)
>  
>  void panfrost_device_fini(struct panfrost_device *pfdev)
>  {
> -	pm_runtime_get_sync(pfdev->base.dev);
> +	drm_WARN_ON(&pfdev->base, pm_runtime_get_sync(pfdev->base.dev) < 0);
>  
>  	pm_runtime_dont_use_autosuspend(pfdev->base.dev);
>  	pm_runtime_disable(pfdev->base.dev);
>