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authorBen Skeggs <bskeggs@redhat.com>2010-11-24 10:26:24 +1000
committerBen Skeggs <bskeggs@redhat.com>2010-12-21 17:17:34 +1000
commit96545299d7405d4c0f44b727718e263653fc11aa (patch)
treed5c9ffd220778e11e026dab5cabbf74ae8a7cf2d /drivers/gpu/drm/nouveau/nouveau_channel.c
parent5216782bf8c195de3befe0742a877c987dd3c4fd (diff)
downloadtalos-obmc-linux-96545299d7405d4c0f44b727718e263653fc11aa.tar.gz
talos-obmc-linux-96545299d7405d4c0f44b727718e263653fc11aa.zip
drm/nvc0: fix channel dma init paths
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_channel.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_channel.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_channel.c b/drivers/gpu/drm/nouveau/nouveau_channel.c
index 6f37995aee2d..e37977d02463 100644
--- a/drivers/gpu/drm/nouveau/nouveau_channel.c
+++ b/drivers/gpu/drm/nouveau/nouveau_channel.c
@@ -38,9 +38,14 @@ nouveau_channel_pushbuf_ctxdma_init(struct nouveau_channel *chan)
int ret;
if (dev_priv->card_type >= NV_50) {
- ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY, 0,
- (1ULL << 40), NV_MEM_ACCESS_RO,
- NV_MEM_TARGET_VM, &pushbuf);
+ if (dev_priv->card_type < NV_C0) {
+ ret = nouveau_gpuobj_dma_new(chan,
+ NV_CLASS_DMA_IN_MEMORY, 0,
+ (1ULL << 40),
+ NV_MEM_ACCESS_RO,
+ NV_MEM_TARGET_VM,
+ &pushbuf);
+ }
chan->pushbuf_base = pb->bo.offset;
} else
if (pb->bo.mem.mem_type == TTM_PL_TT) {
@@ -71,7 +76,7 @@ nouveau_channel_pushbuf_ctxdma_init(struct nouveau_channel *chan)
nouveau_gpuobj_ref(pushbuf, &chan->pushbuf);
nouveau_gpuobj_ref(NULL, &pushbuf);
- return 0;
+ return ret;
}
static struct nouveau_bo *
@@ -99,6 +104,13 @@ nouveau_channel_user_pushbuf_alloc(struct drm_device *dev)
return NULL;
}
+ ret = nouveau_bo_map(pushbuf);
+ if (ret) {
+ nouveau_bo_unpin(pushbuf);
+ nouveau_bo_ref(NULL, &pushbuf);
+ return NULL;
+ }
+
return pushbuf;
}
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