[PATCH 2/4] drm/fsl: don't use drm_put_dev

Lucas Stach l.stach at pengutronix.de
Tue Dec 13 10:53:53 UTC 2016


Am Donnerstag, den 08.12.2016, 12:07 +0100 schrieb Daniel Vetter:
> fsl is already fully demidlayered in the probe function, but for
> convenience stuck with drm_put_dev. Call the unregister/unref parts
> separately, to make sure this driver works correct.
> 
> Cc: Stefan Agner <stefan at agner.ch>
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
> ---
>  drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
> index 320e4728c9b9..d36bf4f8b3de 100644
> --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
> +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c
> @@ -426,7 +426,8 @@ static int fsl_dcu_drm_remove(struct platform_device *pdev)
>  
>  	clk_disable_unprepare(fsl_dev->clk);
>  	clk_unregister(fsl_dev->pix_clk);
> -	drm_put_dev(fsl_dev->drm);
> +	drm_dev_unregister(fsl_dev->drm);
> +	drm_dev_unref(fsl_dev->drm);

Why not make it work correctly instead of the mechanical change? I.e.
move the drm_dev_unregister() up 2 lines.




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