drm/nouveau/disp: port vblank handling to event interface

This removes the nastiness with the interactions between display and
software engines when handling vblank semaphore release interrupts.

Now, all the semantics are handled in one place (sw) \o/.

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

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.h b/drivers/gpu/drm/nouveau/nouveau_drm.h
index aa89eb938b47..b25df374c901 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.h
@@ -13,6 +13,7 @@
 #define DRIVER_PATCHLEVEL	0
 
 #include <core/client.h>
+#include <core/event.h>
 
 #include <subdev/vm.h>
 
@@ -112,6 +113,7 @@ struct nouveau_drm {
 	struct nvbios vbios;
 	struct nouveau_display *display;
 	struct backlight_device *backlight;
+	struct nouveau_eventh vblank;
 
 	/* power management */
 	struct nouveau_pm *pm;