drm/nouveau/sec2/gp102: allow module to load when LSFW is missing

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

drivers/gpu/drm/nouveau/nvkm/engine/sec2/gp102.c

@@ -28,6 +28,14 @@
 #include <nvfw/flcn.h>
 #include <nvfw/sec2.h>
 
+int
+gp102_sec2_nofw(struct nvkm_sec2 *sec2, int ver,
+		const struct nvkm_sec2_fwif *fwif)
+{
+	nvkm_warn(&sec2->engine.subdev, "firmware unavailable\n");
+	return 0;
+}
+
 static int
 gp102_sec2_acr_bootstrap_falcon_callback(void *priv, struct nvfw_falcon_msg *hdr)
 {
@@ -328,8 +336,9 @@ MODULE_FIRMWARE("nvidia/gp107/sec2/sig-1.bin");
 
 static const struct nvkm_sec2_fwif
 gp102_sec2_fwif[] = {
-	{ 1, gp102_sec2_load, &gp102_sec2, &gp102_sec2_acr_1 },
-	{ 0, gp102_sec2_load, &gp102_sec2, &gp102_sec2_acr_0 },
+	{  1, gp102_sec2_load, &gp102_sec2, &gp102_sec2_acr_1 },
+	{  0, gp102_sec2_load, &gp102_sec2, &gp102_sec2_acr_0 },
+	{ -1, gp102_sec2_nofw, &gp102_sec2 },
 	{}
 };
 

drivers/gpu/drm/nouveau/nvkm/engine/sec2/priv.h

@@ -20,6 +20,7 @@ struct nvkm_sec2_fwif {
 	const struct nvkm_acr_lsf_func *acr;
 };
 
+int gp102_sec2_nofw(struct nvkm_sec2 *, int, const struct nvkm_sec2_fwif *);
 int gp102_sec2_load(struct nvkm_sec2 *, int, const struct nvkm_sec2_fwif *);
 extern const struct nvkm_sec2_func gp102_sec2;
 extern const struct nvkm_acr_lsf_func gp102_sec2_acr_1;

drivers/gpu/drm/nouveau/nvkm/engine/sec2/tu102.c

@@ -49,13 +49,6 @@ tu102_sec2 = {
 	.initmsg = gp102_sec2_initmsg,
 };
 
-static int
-tu102_sec2_nofw(struct nvkm_sec2 *sec2, int ver,
-		const struct nvkm_sec2_fwif *fwif)
-{
-	return 0;
-}
-
 MODULE_FIRMWARE("nvidia/tu102/sec2/desc.bin");
 MODULE_FIRMWARE("nvidia/tu102/sec2/image.bin");
 MODULE_FIRMWARE("nvidia/tu102/sec2/sig.bin");
@@ -75,7 +68,7 @@ MODULE_FIRMWARE("nvidia/tu117/sec2/sig.bin");
 static const struct nvkm_sec2_fwif
 tu102_sec2_fwif[] = {
 	{  0, gp102_sec2_load, &tu102_sec2, &gp102_sec2_acr_1 },
-	{ -1, tu102_sec2_nofw, &tu102_sec2 }
+	{ -1, gp102_sec2_nofw, &tu102_sec2 }
 };
 
 int