On 01/08/2016 09:36 PM, Daniel Vetter wrote:
> Again since the drm core takes care of event unlinking/disarming this
> is now just needless code.
>
> Cc: Thomas Hellström <thellstrom@xxxxxxxxxx>
> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Hmm,
IIRC this is actually a list of events that core drm is not aware of
yet. They sit on this list waiting for a fence to pass and are then
transferred to core drm....
/Thomas
> ---
> drivers/gpu/drm/vc4/vc4_drv.h | 1 -
> drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 10 ---------
> drivers/gpu/drm/vmwgfx/vmwgfx_fence.c | 38 -----------------------------------
> drivers/gpu/drm/vmwgfx/vmwgfx_fence.h | 2 --
> 4 files changed, 51 deletions(-)
>
> diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h
> index 080865ec2bae..4c734d087d7f 100644
> --- a/drivers/gpu/drm/vc4/vc4_drv.h
> +++ b/drivers/gpu/drm/vc4/vc4_drv.h
> @@ -376,7 +376,6 @@ int vc4_bo_stats_debugfs(struct seq_file *m, void *arg);
> extern struct platform_driver vc4_crtc_driver;
> int vc4_enable_vblank(struct drm_device *dev, unsigned int crtc_id);
> void vc4_disable_vblank(struct drm_device *dev, unsigned int crtc_id);
> -void vc4_cancel_page_flip(struct drm_crtc *crtc, struct drm_file *file);
> int vc4_crtc_debugfs_regs(struct seq_file *m, void *arg);
>
> /* vc4_debugfs.c */
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
> index c49812b80dd0..c04c4d1e2f3e 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
> @@ -971,15 +971,6 @@ static int vmw_driver_unload(struct drm_device *dev)
> return 0;
> }
>
> -static void vmw_preclose(struct drm_device *dev,
> - struct drm_file *file_priv)
> -{
> - struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
> - struct vmw_private *dev_priv = vmw_priv(dev);
> -
> - vmw_event_fence_fpriv_gone(dev_priv->fman, &vmw_fp->fence_events);
> -}
> -
> static void vmw_postclose(struct drm_device *dev,
> struct drm_file *file_priv)
> {
> @@ -1500,7 +1491,6 @@ static struct drm_driver driver = {
> .master_set = vmw_master_set,
> .master_drop = vmw_master_drop,
> .open = vmw_driver_open,
> - .preclose = vmw_preclose,
> .postclose = vmw_postclose,
> .set_busid = drm_pci_set_busid,
>
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
> index e0edf149d9d5..55dc3e4754df 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
> @@ -808,44 +808,6 @@ int vmw_fence_obj_unref_ioctl(struct drm_device *dev, void *data,
> }
>
> /**
> - * vmw_event_fence_fpriv_gone - Remove references to struct drm_file objects
> - *
> - * @fman: Pointer to a struct vmw_fence_manager
> - * @event_list: Pointer to linked list of struct vmw_event_fence_action objects
> - * with pointers to a struct drm_file object about to be closed.
> - *
> - * This function removes all pending fence events with references to a
> - * specific struct drm_file object about to be closed. The caller is required
> - * to pass a list of all struct vmw_event_fence_action objects with such
> - * events attached. This function is typically called before the
> - * struct drm_file object's event management is taken down.
> - */
> -void vmw_event_fence_fpriv_gone(struct vmw_fence_manager *fman,
> - struct list_head *event_list)
> -{
> - struct vmw_event_fence_action *eaction;
> - struct drm_pending_event *event;
> - unsigned long irq_flags;
> -
> - while (1) {
> - spin_lock_irqsave(&fman->lock, irq_flags);
> - if (list_empty(event_list))
> - goto out_unlock;
> - eaction = list_first_entry(event_list,
> - struct vmw_event_fence_action,
> - fpriv_head);
> - list_del_init(&eaction->fpriv_head);
> - event = eaction->event;
> - eaction->event = NULL;
> - spin_unlock_irqrestore(&fman->lock, irq_flags);
> - event->destroy(event);
> - }
> -out_unlock:
> - spin_unlock_irqrestore(&fman->lock, irq_flags);
> -}
> -
> -
> -/**
> * vmw_event_fence_action_seq_passed
> *
> * @action: The struct vmw_fence_action embedded in a struct
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.h b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.h
> index 8be6c29f5eb5..83ae301ee141 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.h
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.h
> @@ -116,8 +116,6 @@ extern int vmw_fence_obj_unref_ioctl(struct drm_device *dev, void *data,
> struct drm_file *file_priv);
> extern int vmw_fence_event_ioctl(struct drm_device *dev, void *data,
> struct drm_file *file_priv);
> -extern void vmw_event_fence_fpriv_gone(struct vmw_fence_manager *fman,
> - struct list_head *event_list);
> extern int vmw_event_fence_action_queue(struct drm_file *filee_priv,
> struct vmw_fence_obj *fence,
> struct drm_pending_event *event,
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