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path: root/drivers/gpu/drm/nouveau/nvkm/engine/disp/headgf119.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/headgf119.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/disp/headgf119.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/headgf119.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/headgf119.c
index b33552757647..9fd7ae331308 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/headgf119.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/headgf119.c
@@ -92,5 +92,8 @@ gf119_head = {
int
gf119_head_new(struct nvkm_disp *disp, int id)
{
+ struct nvkm_device *device = disp->engine.subdev.device;
+ if (!(nvkm_rd32(device, 0x612004) & (0x00000001 << id)))
+ return 0;
return nvkm_head_new_(&gf119_head, disp, id);
}