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drm/nouveau: Wire up dmem cgroups

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Userspace can now make use of memory protection via dmem cgroups. Let
nouveau benefit from this as well by registering the vram region with
the dmem cgroup controller.

This patch adapts the approach amdgpu and Xe have taken for enabling
dmem cgroups.

Signed-off-by: Natalie Vock <natalie.vock@gmx.de>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patch.msgid.link/20260410081322.5577-1-natalie.vock@gmx.de
This commit is contained in:
Natalie Vock 2026-04-10 10:13:22 +02:00 committed by Lyude Paul
parent 9a882c7737
commit ba9fdfabe2
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/nouveau/nouveau_ttm.c
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@ -188,6 +188,11 @@ nouveau_ttm_init_vram(struct nouveau_drm *drm)
man->func = &nouveau_vram_manager;
man->cg = drmm_cgroup_register_region(drm->dev, "vram",
drm->gem.vram_available);
if (IS_ERR(man->cg))
return PTR_ERR(man->cg);
ttm_resource_manager_init(man, &drm->ttm.bdev,
drm->gem.vram_available >> PAGE_SHIFT);
ttm_set_driver_manager(&drm->ttm.bdev, TTM_PL_VRAM, man);