drm/nouveau/sw: turn flip completion into an event

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 11 insertions, 4 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index d913074c952f..5553caa16b9c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -358,6 +358,7 @@ int
 nouveau_display_init(struct drm_device *dev)
 {
 	struct nouveau_display *disp = nouveau_display(dev);
+	struct nouveau_drm *drm = nouveau_drm(dev);
 	struct drm_connector *connector;
 	int ret;
 
@@ -374,6 +375,8 @@ nouveau_display_init(struct drm_device *dev)
 		nvif_notify_get(&conn->hpd);
 	}
 
+	/* enable flip completion events */
+	nvif_notify_get(&drm->flip);
 	return ret;
 }
 
@@ -381,6 +384,7 @@ void
 nouveau_display_fini(struct drm_device *dev)
 {
 	struct nouveau_display *disp = nouveau_display(dev);
+	struct nouveau_drm *drm = nouveau_drm(dev);
 	struct drm_connector *connector;
 	int head;
 
@@ -388,6 +392,9 @@ nouveau_display_fini(struct drm_device *dev)
 	for (head = 0; head < dev->mode_config.num_crtc; head++)
 		drm_vblank_off(dev, head);
 
+	/* disable flip completion events */
+	nvif_notify_put(&drm->flip);
+
 	/* disable hotplug interrupts */
 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 		struct nouveau_connector *conn = nouveau_connector(connector);
@@ -847,10 +854,10 @@ nouveau_finish_page_flip(struct nouveau_channel *chan,
 }
 
 int
-nouveau_flip_complete(void *data)
+nouveau_flip_complete(struct nvif_notify *notify)
 {
-	struct nouveau_channel *chan = data;
-	struct nouveau_drm *drm = chan->drm;
+	struct nouveau_drm *drm = container_of(notify, typeof(*drm), flip);
+	struct nouveau_channel *chan = drm->channel;
 	struct nouveau_page_flip_state state;
 
 	if (!nouveau_finish_page_flip(chan, &state)) {
@@ -861,7 +868,7 @@ nouveau_flip_complete(void *data)
 		}
 	}
 
-	return 0;
+	return NVIF_NOTIFY_KEEP;
 }
 
 int