Re: [PATCH v2 1/4] drm: add devm release action

[Maxime Ripard <mripard@kernel.org>]

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On Fri, Apr 19, 2024 at 02:28:23PM +0530, Aravind Iddamsetty wrote:
> In scenarios where drm_dev_put is directly called by driver we want to
> release devm_drm_dev_init_release action associated with struct
> drm_device.
> 
> v2: Directly expose the original function, instead of introducing a
> helper (Rodrigo)
> 
> Cc: Thomas Hellstr_m <thomas.hellstrom@linux.intel.com>
> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
> 
> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
> Signed-off-by: Aravind Iddamsetty <aravind.iddamsetty@linux.intel.com>
> ---
>  drivers/gpu/drm/drm_drv.c | 6 ++++++
>  include/drm/drm_drv.h     | 2 ++
>  2 files changed, 8 insertions(+)
> 
> diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
> index 243cacb3575c..ba60cbb0725f 100644
> --- a/drivers/gpu/drm/drm_drv.c
> +++ b/drivers/gpu/drm/drm_drv.c
> @@ -714,6 +714,12 @@ static int devm_drm_dev_init(struct device *parent,
>  					devm_drm_dev_init_release, dev);
>  }
>  
> +void devm_drm_dev_release_action(struct drm_device *dev)
> +{
> +	devm_release_action(dev->dev, devm_drm_dev_init_release, dev);
> +}
> +EXPORT_SYMBOL(devm_drm_dev_release_action);

Again, this needs to be documented.

Maxime

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