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

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Message-ID: <CABVU7+s=1HYHYjVpn3Z+gauhTUNF+v31jkEW-dn9KYC6MnuiFg@mail.gmail.com>
Date:	Wed, 3 Aug 2016 11:15:50 -0700
From:	Rodrigo Vivi <rodrigo.vivi@...il.com>
To:	Rodrigo Vivi <rodrigo.vivi@...il.com>,
	Gustavo Padovan <gustavo@...ovan.org>,
	Gustavo Padovan <gustavo.padovan@...labora.co.uk>,
	open list <linux-kernel@...r.kernel.org>,
	DRI mailing list <dri-devel@...ts.freedesktop.org>
Subject: Re: [PATCH 04/10] drm: make drm_vblank_{get,put}() static

Oh, nevermind... I saw the places that depends on changes on other
legacy usage like drm_wait_on_vblank...  (not trivial on intel_crt)
and other cases...

So better to just go with the static for now.

Feel free to use:
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@...el.com>

On Wed, Aug 3, 2016 at 12:22 AM, Daniel Vetter <daniel@...ll.ch> wrote:
> On Tue, Aug 02, 2016 at 11:30:21PM -0700, Rodrigo Vivi wrote:
>> 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?
>
> There's (very few) users left, but if you can convert them over to
> drm_crtc_ versions then sure, go ahead, it'd be great!
> -Daniel
>
>>
>>
>> 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
>> _______________________________________________
>> dri-devel mailing list
>> dri-devel@...ts.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/dri-devel
>
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch

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

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