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authorBen Skeggs <bskeggs@redhat.com>2021-03-04 19:53:01 +1000
committerBen Skeggs <bskeggs@redhat.com>2021-08-18 19:00:15 +1000
commit59f216cf04d973b4316761cbf3e7cb9556715b7a (patch)
treea4a53f94e9116256806bf83dfc06f3e10129f142 /drivers/gpu/drm/nouveau/nouveau_svm.c
parentdrm/nouveau: block a bunch of classes from userspace (diff)
downloadlinux-dev-59f216cf04d973b4316761cbf3e7cb9556715b7a.tar.xz
linux-dev-59f216cf04d973b4316761cbf3e7cb9556715b7a.zip
drm/nouveau: rip out nvkm_client.super
No longer required now that userspace can't touch anything that might need it, and should fix DRM MM operations racing with each other, and the random hangs/crashes that come with that. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_svm.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_svm.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_svm.c b/drivers/gpu/drm/nouveau/nouveau_svm.c
index 82b583f5fca8..b0c3422cb01f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_svm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_svm.c
@@ -237,14 +237,11 @@ void
nouveau_svmm_invalidate(struct nouveau_svmm *svmm, u64 start, u64 limit)
{
if (limit > start) {
- bool super = svmm->vmm->vmm.object.client->super;
- svmm->vmm->vmm.object.client->super = true;
nvif_object_mthd(&svmm->vmm->vmm.object, NVIF_VMM_V0_PFNCLR,
&(struct nvif_vmm_pfnclr_v0) {
.addr = start,
.size = limit - start,
}, sizeof(struct nvif_vmm_pfnclr_v0));
- svmm->vmm->vmm.object.client->super = super;
}
}
@@ -634,9 +631,7 @@ static int nouveau_atomic_range_fault(struct nouveau_svmm *svmm,
NVIF_VMM_PFNMAP_V0_A |
NVIF_VMM_PFNMAP_V0_HOST;
- svmm->vmm->vmm.object.client->super = true;
ret = nvif_object_ioctl(&svmm->vmm->vmm.object, args, size, NULL);
- svmm->vmm->vmm.object.client->super = false;
mutex_unlock(&svmm->mutex);
unlock_page(page);
@@ -702,9 +697,7 @@ static int nouveau_range_fault(struct nouveau_svmm *svmm,
nouveau_hmm_convert_pfn(drm, &range, args);
- svmm->vmm->vmm.object.client->super = true;
ret = nvif_object_ioctl(&svmm->vmm->vmm.object, args, size, NULL);
- svmm->vmm->vmm.object.client->super = false;
mutex_unlock(&svmm->mutex);
out:
@@ -928,10 +921,8 @@ nouveau_pfns_map(struct nouveau_svmm *svmm, struct mm_struct *mm,
mutex_lock(&svmm->mutex);
- svmm->vmm->vmm.object.client->super = true;
ret = nvif_object_ioctl(&svmm->vmm->vmm.object, args, sizeof(*args) +
npages * sizeof(args->p.phys[0]), NULL);
- svmm->vmm->vmm.object.client->super = false;
mutex_unlock(&svmm->mutex);
}