diff options
| author | Dave Airlie <airlied@redhat.com> | 2024-01-24 07:24:25 +0300 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2024-02-23 03:20:07 +0300 |
| commit | 72fa02fdf83306c52bc1eede28359e3fa32a151a (patch) | |
| tree | da081e6cb76f9224f889c68590f49bc1a1047716 /drivers | |
| parent | 3f4d8aac6e768c2215ce68275256971c2f54f0c8 (diff) | |
| download | linux-72fa02fdf83306c52bc1eede28359e3fa32a151a.tar.xz | |
nouveau: add an ioctl to report vram usage
This reports the currently used vram allocations.
userspace using this has been proposed for nvk, but
it's a rather trivial uapi addition.
Reviewed-by: Faith Ekstrand <faith.ekstrand@collabora.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_abi16.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c index 4cb323bc3233..cd14f993bdd1 100644 --- a/drivers/gpu/drm/nouveau/nouveau_abi16.c +++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c @@ -267,6 +267,11 @@ nouveau_abi16_ioctl_getparam(ABI16_IOCTL_ARGS) case NOUVEAU_GETPARAM_VRAM_BAR_SIZE: getparam->value = nvkm_device->func->resource_size(nvkm_device, 1); break; + case NOUVEAU_GETPARAM_VRAM_USED: { + struct ttm_resource_manager *vram_mgr = ttm_manager_type(&drm->ttm.bdev, TTM_PL_VRAM); + getparam->value = (u64)ttm_resource_manager_usage(vram_mgr) << PAGE_SHIFT; + break; + } default: NV_PRINTK(dbg, cli, "unknown parameter %lld\n", getparam->param); return -EINVAL; |