vmwgfx: Add fence events
Add a way to send DRM events down the gpu fifo by attaching them to
fence objects. This may be useful for Xserver swapbuffer throttling and
page-flip done notifications.
Bump version to 2.2 to signal the availability of the FENCE_EVENT ioctl.
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_fence.h b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.h
index 9307406..0854a20 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.h
@@ -37,8 +37,14 @@
*
*
*/
+enum vmw_action_type {
+ VMW_ACTION_EVENT = 0,
+ VMW_ACTION_MAX
+};
+
struct vmw_fence_action {
struct list_head head;
+ enum vmw_action_type type;
void (*seq_passed) (struct vmw_fence_action *action);
void (*cleanup) (struct vmw_fence_action *action);
};
@@ -66,8 +72,7 @@
extern struct vmw_fence_obj *
vmw_fence_obj_reference(struct vmw_fence_obj *fence);
-extern void vmw_fences_update(struct vmw_fence_manager *fman,
- u32 sequence);
+extern void vmw_fences_update(struct vmw_fence_manager *fman);
extern bool vmw_fence_obj_signaled(struct vmw_fence_obj *fence,
uint32_t flags);
@@ -102,4 +107,7 @@
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);
+
#endif /* _VMWGFX_FENCE_H_ */