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

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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@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240214040632.661069-1-airlied@gmail.com
This commit is contained in:
Dave Airlie 2024-02-14 14:06:32 +10:00
parent 7c548869f5
commit 1d492944d3
2 changed files with 13 additions and 1 deletions
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8
drivers/gpu/drm/nouveau/Kconfig
View File

@ -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.

6
drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
View File

@ -2312,8 +2312,12 @@ r535_gsp_load(struct nvkm_gsp *gsp, int ver, const struct nvkm_gsp_fwif *fwif)
{
struct nvkm_subdev *subdev = &gsp->subdev;
int ret;
bool enable_gsp = fwif->enable;
if (!nvkm_boolopt(subdev->device->cfgopt, "NvGspRm", fwif->enable))
#if IS_ENABLED(CONFIG_DRM_NOUVEAU_GSP_DEFAULT)
enable_gsp = true;
#endif
if (!nvkm_boolopt(subdev->device->cfgopt, "NvGspRm", enable_gsp))
return -EINVAL;
if ((ret = r535_gsp_load_fw(gsp, "gsp", fwif->ver, &gsp->fws.rm)) ||