linux-kernel - Re: [PATCH 04/10] drm: make drm_vblank_{get,put}() static

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Date:	Tue, 2 Aug 2016 23:30:21 -0700
From:	Rodrigo Vivi <rodrigo.vivi@...il.com>
To:	Gustavo Padovan <gustavo@...ovan.org>
Cc:	DRI mailing list <dri-devel@...ts.freedesktop.org>,
	Gustavo Padovan <gustavo.padovan@...labora.co.uk>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 04/10] drm: make drm_vblank_{get,put}() static

I was going to remove the legacy get/put versions right now, but
decided to check if there were any pending patch in mailing lists and
found this.

What about deleting the functions at all instead of having it internally?

On Tue, Jun 7, 2016 at 7:07 AM, Gustavo Padovan <gustavo@...ovan.org> wrote:
> From: Gustavo Padovan <gustavo.padovan@...labora.co.uk>
>
> As they are not used anywhere outside drm_irq.c make them static.
>
> Signed-off-by: Gustavo Padovan <gustavo.padovan@...labora.co.uk>
> ---
>  drivers/gpu/drm/drm_irq.c | 10 ++--------
>  include/drm/drmP.h        |  2 --
>  2 files changed, 2 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
> index 38cc782..76e39c5 100644
> --- a/drivers/gpu/drm/drm_irq.c
> +++ b/drivers/gpu/drm/drm_irq.c
> @@ -1108,7 +1108,7 @@ static int drm_vblank_enable(struct drm_device *dev, unsigned int pipe)
>   * Returns:
>   * Zero on success or a negative error code on failure.
>   */
> -int drm_vblank_get(struct drm_device *dev, unsigned int pipe)
> +static int drm_vblank_get(struct drm_device *dev, unsigned int pipe)
>  {
>         struct drm_vblank_crtc *vblank = &dev->vblank[pipe];
>         unsigned long irqflags;
> @@ -1134,7 +1134,6 @@ int drm_vblank_get(struct drm_device *dev, unsigned int pipe)
>
>         return ret;
>  }
> -EXPORT_SYMBOL(drm_vblank_get);
>
>  /**
>   * drm_crtc_vblank_get - get a reference count on vblank events
> @@ -1143,8 +1142,6 @@ EXPORT_SYMBOL(drm_vblank_get);
>   * Acquire a reference count on vblank events to avoid having them disabled
>   * while in use.
>   *
> - * This is the native kms version of drm_vblank_get().
> - *
>   * Returns:
>   * Zero on success or a negative error code on failure.
>   */
> @@ -1164,7 +1161,7 @@ EXPORT_SYMBOL(drm_crtc_vblank_get);
>   *
>   * This is the legacy version of drm_crtc_vblank_put().
>   */
> -void drm_vblank_put(struct drm_device *dev, unsigned int pipe)
> +static void drm_vblank_put(struct drm_device *dev, unsigned int pipe)
>  {
>         struct drm_vblank_crtc *vblank = &dev->vblank[pipe];
>
> @@ -1185,7 +1182,6 @@ void drm_vblank_put(struct drm_device *dev, unsigned int pipe)
>                                   jiffies + ((drm_vblank_offdelay * HZ)/1000));
>         }
>  }
> -EXPORT_SYMBOL(drm_vblank_put);
>
>  /**
>   * drm_crtc_vblank_put - give up ownership of vblank events
> @@ -1193,8 +1189,6 @@ EXPORT_SYMBOL(drm_vblank_put);
>   *
>   * Release ownership of a given vblank counter, turning off interrupts
>   * if possible. Disable interrupts after drm_vblank_offdelay milliseconds.
> - *
> - * This is the native kms version of drm_vblank_put().
>   */
>  void drm_crtc_vblank_put(struct drm_crtc *crtc)
>  {
> diff --git a/include/drm/drmP.h b/include/drm/drmP.h
> index 924b4fd..23f79a5 100644
> --- a/include/drm/drmP.h
> +++ b/include/drm/drmP.h
> @@ -975,8 +975,6 @@ extern void drm_crtc_arm_vblank_event(struct drm_crtc *crtc,
>                                       struct drm_pending_vblank_event *e);
>  extern bool drm_handle_vblank(struct drm_device *dev, unsigned int pipe);
>  extern bool drm_crtc_handle_vblank(struct drm_crtc *crtc);
> -extern int drm_vblank_get(struct drm_device *dev, unsigned int pipe);
> -extern void drm_vblank_put(struct drm_device *dev, unsigned int pipe);
>  extern int drm_crtc_vblank_get(struct drm_crtc *crtc);
>  extern void drm_crtc_vblank_put(struct drm_crtc *crtc);
>  extern void drm_wait_one_vblank(struct drm_device *dev, unsigned int pipe);
> --
> 2.5.5
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

-- 
Rodrigo Vivi
Blog: http://blog.vivi.eng.br

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