Commit 2a55c9a7 authored by Ben Skeggs's avatar Ben Skeggs

drm/nvc0: reserve only subc 0 for kernel use

Current 3D driver expects this behaviour.  While this could be changed,
there's no compelling reason to reserve more than one subchannel for the
DRM.  If we ever need to use an object other then M2MF, we can just
re-bind subchannel 0 as required.
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 6effe393
......@@ -446,6 +446,7 @@ nouveau_ioctl_fifo_alloc(struct drm_device *dev, void *data,
else
init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART;
if (dev_priv->card_type < NV_C0) {
init->subchan[0].handle = NvM2MF;
if (dev_priv->card_type < NV_50)
init->subchan[0].grclass = 0x0039;
......@@ -454,6 +455,11 @@ nouveau_ioctl_fifo_alloc(struct drm_device *dev, void *data,
init->subchan[1].handle = NvSw;
init->subchan[1].grclass = NV_SW;
init->nr_subchan = 2;
} else {
init->subchan[0].handle = 0x9039;
init->subchan[0].grclass = 0x9039;
init->nr_subchan = 1;
}
/* Named memory object area */
ret = drm_gem_handle_create(file_priv, chan->notifier_bo->gem,
......
......@@ -165,7 +165,7 @@ nouveau_fence_emit(struct nouveau_fence *fence)
if (dev_priv->card_type < NV_C0)
BEGIN_RING(chan, NvSubSw, 0x0050, 1);
else
BEGIN_NVC0(chan, 2, NvSubSw, 0x0050, 1);
BEGIN_NVC0(chan, 2, NvSubM2MF, 0x0050, 1);
} else {
BEGIN_RING(chan, NvSubSw, 0x0150, 1);
}
......
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