vmwgfx: Implement fence objects
Will be needed for queries and drm event-driven throttling.
As a benefit, they help avoid stale user-space fence handles.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
index 72d9561..5d665ce 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
@@ -274,39 +274,39 @@
static void *vmw_sync_obj_ref(void *sync_obj)
{
- return sync_obj;
+
+ return (void *)
+ vmw_fence_obj_reference((struct vmw_fence_obj *) sync_obj);
}
static void vmw_sync_obj_unref(void **sync_obj)
{
- *sync_obj = NULL;
+ vmw_fence_obj_unreference((struct vmw_fence_obj **) sync_obj);
}
static int vmw_sync_obj_flush(void *sync_obj, void *sync_arg)
{
- struct vmw_private *dev_priv = (struct vmw_private *)sync_arg;
-
- mutex_lock(&dev_priv->hw_mutex);
- vmw_write(dev_priv, SVGA_REG_SYNC, SVGA_SYNC_GENERIC);
- mutex_unlock(&dev_priv->hw_mutex);
+ vmw_fence_obj_flush((struct vmw_fence_obj *) sync_obj);
return 0;
}
static bool vmw_sync_obj_signaled(void *sync_obj, void *sync_arg)
{
- struct vmw_private *dev_priv = (struct vmw_private *)sync_arg;
- uint32_t seqno = (unsigned long) sync_obj;
+ unsigned long flags = (unsigned long) sync_arg;
+ return vmw_fence_obj_signaled((struct vmw_fence_obj *) sync_obj,
+ (uint32_t) flags);
- return vmw_seqno_passed(dev_priv, seqno);
}
static int vmw_sync_obj_wait(void *sync_obj, void *sync_arg,
bool lazy, bool interruptible)
{
- struct vmw_private *dev_priv = (struct vmw_private *)sync_arg;
- uint32_t seqno = (unsigned long) sync_obj;
+ unsigned long flags = (unsigned long) sync_arg;
- return vmw_wait_seqno(dev_priv, false, seqno, false, 3*HZ);
+ return vmw_fence_obj_wait((struct vmw_fence_obj *) sync_obj,
+ (uint32_t) flags,
+ lazy, interruptible,
+ VMW_FENCE_WAIT_TIMEOUT);
}
struct ttm_bo_driver vmw_bo_driver = {