From 271c27665c2d2f719a2fca6a3530a82984f22cca Mon Sep 17 00:00:00 2001 From: Roy Spliet Date: Wed, 30 Sep 2015 00:23:51 +0100 Subject: drm/nouveau/bus/hwsq: Implement VBLANK waiting heuristic Avoids waiting for VBLANKS that never arrive on headless or otherwise unconventional set-ups. Strategy taken from MEMX. Signed-off-by: Roy Spliet Tested-by: Pierre Moreau Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/include/nvkm/subdev/bus.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpu/drm/nouveau/include') diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bus.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bus.h index 6a04d9c07944..33a057c334f2 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bus.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bus.h @@ -14,6 +14,7 @@ int nvkm_hwsq_fini(struct nvkm_hwsq **, bool exec); void nvkm_hwsq_wr32(struct nvkm_hwsq *, u32 addr, u32 data); void nvkm_hwsq_setf(struct nvkm_hwsq *, u8 flag, int data); void nvkm_hwsq_wait(struct nvkm_hwsq *, u8 flag, u8 data); +void nvkm_hwsq_wait_vblank(struct nvkm_hwsq *); void nvkm_hwsq_nsec(struct nvkm_hwsq *, u32 nsec); int nv04_bus_new(struct nvkm_device *, int, struct nvkm_bus **); -- cgit