From 0e55453fc8ab1dac5b3dc8b2de55789009f175b1 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Tue, 19 Sep 2023 06:21:28 +1000
Subject: [PATCH] drm/nouveau/ce/tu102-: prepare for GSP-RM

- (temporarily) disable if GSP-RM detected, will be added later

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-24-skeggsb@gmail.com
---
 drivers/gpu/drm/nouveau/nvkm/engine/ce/ga100.c | 4 ++++
 drivers/gpu/drm/nouveau/nvkm/engine/ce/ga102.c | 5 +++++
 drivers/gpu/drm/nouveau/nvkm/engine/ce/tu102.c | 5 +++++
 3 files changed, 14 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/ce/ga100.c b/drivers/gpu/drm/nouveau/nvkm/engine/ce/ga100.c
index 315a69f7fdd1..1c0c60138706 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/ce/ga100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/ce/ga100.c
@@ -21,6 +21,7 @@
  */
 #include "priv.h"
 
+#include <subdev/gsp.h>
 #include <subdev/vfn.h>
 
 #include <nvif/class.h>
@@ -88,5 +89,8 @@ int
 ga100_ce_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	     struct nvkm_engine **pengine)
 {
+	if (nvkm_gsp_rm(device->gsp))
+		return -ENODEV;
+
 	return nvkm_engine_new_(&ga100_ce, device, type, inst, true, pengine);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/ce/ga102.c b/drivers/gpu/drm/nouveau/nvkm/engine/ce/ga102.c
index 461b73c7e2e0..9359c5e7aa3a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/ce/ga102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/ce/ga102.c
@@ -21,6 +21,8 @@
  */
 #include "priv.h"
 
+#include <subdev/gsp.h>
+
 #include <nvif/class.h>
 
 static const struct nvkm_engine_func
@@ -41,5 +43,8 @@ int
 ga102_ce_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	     struct nvkm_engine **pengine)
 {
+	if (nvkm_gsp_rm(device->gsp))
+		return -ENODEV;
+
 	return nvkm_engine_new_(&ga102_ce, device, type, inst, true, pengine);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/ce/tu102.c b/drivers/gpu/drm/nouveau/nvkm/engine/ce/tu102.c
index 9563c0175142..67d0545cf902 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/ce/tu102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/ce/tu102.c
@@ -21,6 +21,8 @@
  */
 #include "priv.h"
 
+#include <subdev/gsp.h>
+
 #include <nvif/class.h>
 
 static const struct nvkm_engine_func
@@ -37,5 +39,8 @@ int
 tu102_ce_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
 	     struct nvkm_engine **pengine)
 {
+	if (nvkm_gsp_rm(device->gsp))
+		return -ENODEV;
+
 	return nvkm_engine_new_(&tu102_ce, device, type, inst, true, pengine);
 }