drm/nouveau/fifo/gk104: add sec plumbing

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/include/nvif/cla06f.h b/drivers/gpu/drm/nouveau/include/nvif/cla06f.h
index 663ecde..b5dec137 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/cla06f.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/cla06f.h
@@ -7,6 +7,7 @@
 	__u16 chid;
 #define NVA06F_V0_ENGINE_SW                                          0x00000001
 #define NVA06F_V0_ENGINE_GR                                          0x00000002
+#define NVA06F_V0_ENGINE_SEC                                         0x00000004
 #define NVA06F_V0_ENGINE_MSVLD                                       0x00000010
 #define NVA06F_V0_ENGINE_MSPDEC                                      0x00000020
 #define NVA06F_V0_ENGINE_MSPPP                                       0x00000040
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c
index 434335a..917ef0f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c
@@ -63,6 +63,7 @@
 	case NVKM_ENGINE_CE1   :
 	case NVKM_ENGINE_CE2   : return 0x0000;
 	case NVKM_ENGINE_GR    : return 0x0210;
+	case NVKM_ENGINE_SEC   : return 0x0220;
 	case NVKM_ENGINE_MSPDEC: return 0x0250;
 	case NVKM_ENGINE_MSPPP : return 0x0260;
 	case NVKM_ENGINE_MSVLD : return 0x0270;
@@ -340,6 +341,7 @@
 	{ NVA06F_V0_ENGINE_SW | NVA06F_V0_ENGINE_GR,
 		BIT_ULL(NVKM_ENGINE_SW) | BIT_ULL(NVKM_ENGINE_GR)
 	},
+	{ NVA06F_V0_ENGINE_SEC   , BIT_ULL(NVKM_ENGINE_SEC   ) },
 	{ NVA06F_V0_ENGINE_MSVLD , BIT_ULL(NVKM_ENGINE_MSVLD ) },
 	{ NVA06F_V0_ENGINE_MSPDEC, BIT_ULL(NVKM_ENGINE_MSPDEC) },
 	{ NVA06F_V0_ENGINE_MSPPP , BIT_ULL(NVKM_ENGINE_MSPPP ) },