From 5177e5fa6e9e32decfc5beedf82823a0e57bdcff Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Mon, 30 Oct 2023 13:49:36 +1000
Subject: [PATCH] nouveau/gsp: fix message signature.
This original one was backwards, compared to traces from nvidia driver.
Reviewed-by: Danilo Krummrich <dakr@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
index 47138d7977480..b6f6b5e747d4a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
@@ -693,7 +693,7 @@ r535_gsp_rpc_get(struct nvkm_gsp *gsp, u32 fn, u32 argc)
return NULL;
rpc->header_version = 0x03000000;
- rpc->signature = ('V' << 24) | ('R' << 16) | ('P' << 8) | 'C';
+ rpc->signature = ('C' << 24) | ('P' << 16) | ('R' << 8) | 'V';
rpc->function = fn;
rpc->rpc_result = 0xffffffff;
rpc->rpc_result_private = 0xffffffff;
--
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