[PATCH] nouveau/gsp: add kconfig option to enable GSP paths by default

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From: Dave Airlie <airlied@xxxxxxxxxx>

Turing and Ampere will continue to use the old paths by default,
but we should allow distros to decide what the policy is.

Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
---
 drivers/gpu/drm/nouveau/Kconfig                | 8 ++++++++
 drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c | 3 +++
 2 files changed, 11 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/Kconfig b/drivers/gpu/drm/nouveau/Kconfig
index 1e6aaf95ff7c..ceef470c9fbf 100644
--- a/drivers/gpu/drm/nouveau/Kconfig
+++ b/drivers/gpu/drm/nouveau/Kconfig
@@ -100,3 +100,11 @@ config DRM_NOUVEAU_SVM
 	help
 	  Say Y here if you want to enable experimental support for
 	  Shared Virtual Memory (SVM).
+
+config DRM_NOUVEAU_GSP_DEFAULT
+	bool "Use GSP firmware for Turing/Ampere (needs firmware installed)"
+	depends on DRM_NOUVEAU
+	default n
+	help
+	  Say Y here if you want to use the GSP codepaths by default on
+	  Turing and Ampere GPUs.
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
index a41735ab6068..fadbb89ffff2 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
@@ -2313,6 +2313,9 @@ r535_gsp_load(struct nvkm_gsp *gsp, int ver, const struct nvkm_gsp_fwif *fwif)
 	struct nvkm_subdev *subdev = &gsp->subdev;
 	int ret;
 
+#if IS_ENABLED(CONFIG_DRM_NOUVEAU_GSP_DEFAULT)
+	fwif->enable = true;
+#endif
 	if (!nvkm_boolopt(subdev->device->cfgopt, "NvGspRm", fwif->enable))
 		return -EINVAL;
 
-- 
2.43.0





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