Re: [PATCH] drm/omap: Nuke close hooks

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Hi Daniel,

Thank you for the patch.

On Wednesday 13 January 2016 12:05:14 Daniel Vetter wrote:
> Again since the core takes care of this we can remove them. While at
> it also remove the postclose hook, it's empty.
> 
> v2: Laurent pointed me at even more code to delete.
> 
> v3: Remove unused flags (Tomi).
> 
> Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> Cc: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
> Acked-by: Daniel Stone <daniels@xxxxxxxxxxxxx>
> Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>

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

> ---
>  drivers/gpu/drm/omapdrm/omap_crtc.c | 13 +-----------
>  drivers/gpu/drm/omapdrm/omap_drv.c  | 42 ----------------------------------
>  drivers/gpu/drm/omapdrm/omap_drv.h  |  1 -
>  3 files changed, 1 insertion(+), 55 deletions(-)
> 
> diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c
> b/drivers/gpu/drm/omapdrm/omap_crtc.c index 2ed0754ed19e..d38fcbcc43a8
> 100644
> --- a/drivers/gpu/drm/omapdrm/omap_crtc.c
> +++ b/drivers/gpu/drm/omapdrm/omap_crtc.c
> @@ -269,18 +269,7 @@ static void omap_crtc_complete_page_flip(struct
> drm_crtc *crtc) return;
> 
>  	spin_lock_irqsave(&dev->event_lock, flags);
> -
> -	list_del(&event->base.link);
> -
> -	/*
> -	 * Queue the event for delivery if it's still linked to a file
> -	 * handle, otherwise just destroy it.
> -	 */
> -	if (event->base.file_priv)
> -		drm_crtc_send_vblank_event(crtc, event);
> -	else
> -		event->base.destroy(&event->base);
> -
> +	drm_crtc_send_vblank_event(crtc, event);
>  	spin_unlock_irqrestore(&dev->event_lock, flags);
>  }
> 
> diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c
> b/drivers/gpu/drm/omapdrm/omap_drv.c index dfafdb602ad2..33370f42e4d7
> 100644
> --- a/drivers/gpu/drm/omapdrm/omap_drv.c
> +++ b/drivers/gpu/drm/omapdrm/omap_drv.c
> @@ -142,7 +142,6 @@ static int omap_atomic_commit(struct drm_device *dev,
>  {
>  	struct omap_drm_private *priv = dev->dev_private;
>  	struct omap_atomic_state_commit *commit;
> -	unsigned long flags;
>  	unsigned int i;
>  	int ret;
> 
> @@ -175,17 +174,6 @@ static int omap_atomic_commit(struct drm_device *dev,
>  	priv->commit.pending |= commit->crtcs;
>  	spin_unlock(&priv->commit.lock);
> 
> -	/* Keep track of all CRTC events to unlink them in preclose(). */
> -	spin_lock_irqsave(&dev->event_lock, flags);
> -	for (i = 0; i < dev->mode_config.num_crtc; ++i) {
> -		struct drm_crtc_state *cstate = state->crtc_states[i];
> -
> -		if (cstate && cstate->event)
> -			list_add_tail(&cstate->event->base.link,
> -				      &priv->commit.events);
> -	}
> -	spin_unlock_irqrestore(&dev->event_lock, flags);
> -
>  	/* Swap the state, this is the point of no return. */
>  	drm_atomic_helper_swap_state(dev, state);
> 
> @@ -673,7 +661,6 @@ static int dev_load(struct drm_device *dev, unsigned
> long flags) priv->wq = alloc_ordered_workqueue("omapdrm", 0);
>  	init_waitqueue_head(&priv->commit.wait);
>  	spin_lock_init(&priv->commit.lock);
> -	INIT_LIST_HEAD(&priv->commit.events);
> 
>  	spin_lock_init(&priv->list_lock);
>  	INIT_LIST_HEAD(&priv->obj_list);
> @@ -787,33 +774,6 @@ static void dev_lastclose(struct drm_device *dev)
>  	}
>  }
> 
> -static void dev_preclose(struct drm_device *dev, struct drm_file *file)
> -{
> -	struct omap_drm_private *priv = dev->dev_private;
> -	struct drm_pending_event *event;
> -	unsigned long flags;
> -
> -	DBG("preclose: dev=%p", dev);
> -
> -	/*
> -	 * Unlink all pending CRTC events to make sure they won't be queued up
> -	 * by a pending asynchronous commit.
> -	 */
> -	spin_lock_irqsave(&dev->event_lock, flags);
> -	list_for_each_entry(event, &priv->commit.events, link) {
> -		if (event->file_priv == file) {
> -			file->event_space += event->event->length;
> -			event->file_priv = NULL;
> -		}
> -	}
> -	spin_unlock_irqrestore(&dev->event_lock, flags);
> -}
> -
> -static void dev_postclose(struct drm_device *dev, struct drm_file *file)
> -{
> -	DBG("postclose: dev=%p, file=%p", dev, file);
> -}
> -
>  static const struct vm_operations_struct omap_gem_vm_ops = {
>  	.fault = omap_gem_fault,
>  	.open = drm_gem_vm_open,
> @@ -838,8 +798,6 @@ static struct drm_driver omap_drm_driver = {
>  	.unload = dev_unload,
>  	.open = dev_open,
>  	.lastclose = dev_lastclose,
> -	.preclose = dev_preclose,
> -	.postclose = dev_postclose,
>  	.set_busid = drm_platform_set_busid,
>  	.get_vblank_counter = drm_vblank_no_hw_counter,
>  	.enable_vblank = omap_irq_enable_vblank,
> diff --git a/drivers/gpu/drm/omapdrm/omap_drv.h
> b/drivers/gpu/drm/omapdrm/omap_drv.h index 9e0030731c37..c23cbe6fe9e4
> 100644
> --- a/drivers/gpu/drm/omapdrm/omap_drv.h
> +++ b/drivers/gpu/drm/omapdrm/omap_drv.h
> @@ -106,7 +106,6 @@ struct omap_drm_private {
> 
>  	/* atomic commit */
>  	struct {
> -		struct list_head events;
>  		wait_queue_head_t wait;
>  		u32 pending;
>  		spinlock_t lock;	/* Protects commit.pending */

-- 
Regards,

Laurent Pinchart

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