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| author | Dave Airlie <airlied@redhat.com> | 2024-01-24 07:24:25 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-06-12 12:12:45 +0300 |
| commit | 6446c1ca2dd2ee5485cd27b1ee4b5fb70f83aacb (patch) | |
| tree | 585325768d247a7bfd7a3b62bb47c842e25719b3 /drivers/gpu | |
| parent | 929eaf32dde42857cae6cd0e42eb789d15dfe003 (diff) | |
| download | linux-6446c1ca2dd2ee5485cd27b1ee4b5fb70f83aacb.tar.xz | |
nouveau: add an ioctl to report vram usage
[ Upstream commit 72fa02fdf83306c52bc1eede28359e3fa32a151a ]
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>
Stable-dep-of: aed9a1a4f710 ("drm/nouveau: use tile_mode and pte_kind for VM_BIND bo allocations")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpu')
| -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 d05bd0ecea2b..0fbc9c841666 100644 --- a/drivers/gpu/drm/nouveau/nouveau_abi16.c +++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c @@ -272,6 +272,11 @@ 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; |