Re: [PATCH 1/5] drm/shmob: Nuke preclose hook

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Hi Daniel,

Thank you for the patch.

On Sunday 10 January 2016 23:26:06 Daniel Vetter wrote:
> Again since the drm core takes care of event unlinking/disarming this
> is now just needless code.
> 
> v2: Fixup misplaced hunk.
> 
> Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>

This looks good to me assuming that the mechanism works in the core, which 
looks like magic to me at the moment :-) After closing the "[PATCH] drm: Clean 
up pending events in the core" discussion (and assuming the conclusion is that 
is works),

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> ---
>  drivers/gpu/drm/shmobile/shmob_drm_crtc.c | 20 --------------------
>  drivers/gpu/drm/shmobile/shmob_drm_crtc.h |  2 --
>  drivers/gpu/drm/shmobile/shmob_drm_drv.c  |  8 --------
>  3 files changed, 30 deletions(-)
> 
> diff --git a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c
> b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c index
> b80802f55143..de7959a60774 100644
> --- a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c
> +++ b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c
> @@ -438,26 +438,6 @@ static const struct drm_crtc_helper_funcs
> crtc_helper_funcs = { .mode_set_base = shmob_drm_crtc_mode_set_base,
>  };
> 
> -void shmob_drm_crtc_cancel_page_flip(struct shmob_drm_crtc *scrtc,
> -				     struct drm_file *file)
> -{
> -	struct drm_pending_vblank_event *event;
> -	struct drm_device *dev = scrtc->crtc.dev;
> -	unsigned long flags;
> -
> -	/* Destroy the pending vertical blanking event associated with the
> -	 * pending page flip, if any, and disable vertical blanking interrupts.
> -	 */
> -	spin_lock_irqsave(&dev->event_lock, flags);
> -	event = scrtc->event;
> -	if (event && event->base.file_priv == file) {
> -		scrtc->event = NULL;
> -		event->base.destroy(&event->base);
> -		drm_vblank_put(dev, 0);
> -	}
> -	spin_unlock_irqrestore(&dev->event_lock, flags);
> -}
> -
>  void shmob_drm_crtc_finish_page_flip(struct shmob_drm_crtc *scrtc)
>  {
>  	struct drm_pending_vblank_event *event;
> diff --git a/drivers/gpu/drm/shmobile/shmob_drm_crtc.h
> b/drivers/gpu/drm/shmobile/shmob_drm_crtc.h index
> eddad6dcc88a..38ed4ff8aaf2 100644
> --- a/drivers/gpu/drm/shmobile/shmob_drm_crtc.h
> +++ b/drivers/gpu/drm/shmobile/shmob_drm_crtc.h
> @@ -47,8 +47,6 @@ struct shmob_drm_connector {
> 
>  int shmob_drm_crtc_create(struct shmob_drm_device *sdev);
>  void shmob_drm_crtc_enable_vblank(struct shmob_drm_device *sdev, bool
> enable); -void shmob_drm_crtc_cancel_page_flip(struct shmob_drm_crtc
> *scrtc, -				     struct drm_file *file);
>  void shmob_drm_crtc_finish_page_flip(struct shmob_drm_crtc *scrtc);
>  void shmob_drm_crtc_suspend(struct shmob_drm_crtc *scrtc);
>  void shmob_drm_crtc_resume(struct shmob_drm_crtc *scrtc);
> diff --git a/drivers/gpu/drm/shmobile/shmob_drm_drv.c
> b/drivers/gpu/drm/shmobile/shmob_drm_drv.c index 04e66e3751b4..7700ff172079
> 100644
> --- a/drivers/gpu/drm/shmobile/shmob_drm_drv.c
> +++ b/drivers/gpu/drm/shmobile/shmob_drm_drv.c
> @@ -200,13 +200,6 @@ done:
>  	return ret;
>  }
> 
> -static void shmob_drm_preclose(struct drm_device *dev, struct drm_file
> *file) -{
> -	struct shmob_drm_device *sdev = dev->dev_private;
> -
> -	shmob_drm_crtc_cancel_page_flip(&sdev->crtc, file);
> -}
> -
>  static irqreturn_t shmob_drm_irq(int irq, void *arg)
>  {
>  	struct drm_device *dev = arg;
> @@ -266,7 +259,6 @@ static struct drm_driver shmob_drm_driver = {
> 
>  				| DRIVER_PRIME,
> 
>  	.load			= shmob_drm_load,
>  	.unload			= shmob_drm_unload,
> -	.preclose		= shmob_drm_preclose,
>  	.set_busid		= drm_platform_set_busid,
>  	.irq_handler		= shmob_drm_irq,
>  	.get_vblank_counter	= drm_vblank_no_hw_counter,

-- 
Regards,

Laurent Pinchart

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