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| author | Marcin Kościelnicki <koriakin@0x04.net> | 2010-01-26 21:39:20 +0300 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2010-02-09 05:48:08 +0300 |
| commit | 69c9700b544e496dc3ccf472a4f3a76dcf4abaf7 (patch) | |
| tree | 2d80752bfabdf77a42f7d432dfafed5be85f02f5 /drivers/gpu/drm/nouveau/nouveau_state.c | |
| parent | a32ed69d7bb3cd259d813d71281d62993b9a70fd (diff) | |
| download | linux-69c9700b544e496dc3ccf472a4f3a76dcf4abaf7.tar.xz | |
drm/nouveau: Add getparam to get available PGRAPH units.
On nv50, this will be needed by applications using CUDA to know
how much stack/local memory to allocate.
Signed-off-by: Marcin Kościelnicki <koriakin@0x04.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_state.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_state.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c index 241e24d60eb4..fcd7610817a1 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -825,6 +825,15 @@ int nouveau_ioctl_getparam(struct drm_device *dev, void *data, case NOUVEAU_GETPARAM_VM_VRAM_BASE: getparam->value = dev_priv->vm_vram_base; break; + case NOUVEAU_GETPARAM_GRAPH_UNITS: + /* NV40 and NV50 versions are quite different, but register + * address is the same. User is supposed to know the card + * family anyway... */ + if (dev_priv->chipset >= 0x40) { + getparam->value = nv_rd32(dev, NV40_PMC_GRAPH_UNITS); + break; + } + /* FALLTHRU */ default: NV_ERROR(dev, "unknown parameter %lld\n", getparam->param); return -EINVAL; |