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

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(ignore this one, sent another just after)

On Wed, 14 Feb 2024 at 13:40, Dave Airlie <airlied@xxxxxxxxx> wrote:
>
> 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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