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authorBen Skeggs <bskeggs@redhat.com>2018-05-08 20:39:48 +1000
committerBen Skeggs <bskeggs@redhat.com>2019-02-20 09:00:00 +1000
commit13e957290647eafe75cfa46a5f1aaa2282d9a09c (patch)
treeb28efa9283c00c839ba3427a5c2a51cb5b60ccc5 /drivers/gpu/drm/nouveau/nvkm/engine/device/user.c
parentab2ee9ffa38ac1bcb7321a615872739e3e240b75 (diff)
drm/nouveau/fault/gp100: expose MaxwellFaultBufferA
This nvclass exposes the replayable fault buffer, which will be used by SVM to manage GPU page faults. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/device/user.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/device/user.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/user.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/user.c
index 092ddc4ffefa..03c6d9aef075 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/user.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/user.c
@@ -365,16 +365,15 @@ nvkm_udevice_child_get(struct nvkm_object *object, int index,
}
if (!sclass) {
- switch (index) {
- case 0: sclass = &nvkm_control_oclass; break;
- case 1:
- if (!device->mmu)
- return -EINVAL;
+ if (index-- == 0)
+ sclass = &nvkm_control_oclass;
+ else if (device->mmu && index-- == 0)
sclass = &device->mmu->user;
- break;
- default:
+ else if (device->fault && index-- == 0)
+ sclass = &device->fault->user;
+ else
return -EINVAL;
- }
+
oclass->base = sclass->base;
}