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authorFrancisco Jerez <currojerez@riseup.net>2011-11-19 11:57:52 +0100
committerBen Skeggs <bskeggs@redhat.com>2011-12-21 19:01:46 +1000
commit4e03b4af6dd3cff445fc0455805b43b101647bfc (patch)
tree8ef57180b317b6a37b13031dd1151d455a49c99e /drivers/gpu/drm/nouveau/nv50_fifo.c
parent045da4e55581d9b4de135bbdbdd1b7fa98dc18a9 (diff)
downloadblackbird-op-linux-4e03b4af6dd3cff445fc0455805b43b101647bfc.tar.gz
blackbird-op-linux-4e03b4af6dd3cff445fc0455805b43b101647bfc.zip
drm/nouveau: Fix pushbufs over the 4GB mark.
Signed-off-by: Francisco Jerez <currojerez@riseup.net> Tested-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_fifo.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_fifo.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_fifo.c b/drivers/gpu/drm/nouveau/nv50_fifo.c
index c34a074f7ea1..3bc2a565c20b 100644
--- a/drivers/gpu/drm/nouveau/nv50_fifo.c
+++ b/drivers/gpu/drm/nouveau/nv50_fifo.c
@@ -230,6 +230,7 @@ nv50_fifo_create_context(struct nouveau_channel *chan)
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *ramfc = NULL;
+ uint64_t ib_offset = chan->pushbuf_base + chan->dma.ib_base * 4;
unsigned long flags;
int ret;
@@ -280,8 +281,9 @@ nv50_fifo_create_context(struct nouveau_channel *chan)
nv_wo32(ramfc, 0x7c, 0x30000001);
nv_wo32(ramfc, 0x78, 0x00000000);
nv_wo32(ramfc, 0x3c, 0x403f6078);
- nv_wo32(ramfc, 0x50, chan->pushbuf_base + chan->dma.ib_base * 4);
- nv_wo32(ramfc, 0x54, drm_order(chan->dma.ib_max + 1) << 16);
+ nv_wo32(ramfc, 0x50, lower_32_bits(ib_offset));
+ nv_wo32(ramfc, 0x54, upper_32_bits(ib_offset) |
+ drm_order(chan->dma.ib_max + 1) << 16);
if (dev_priv->chipset != 0x50) {
nv_wo32(chan->ramin, 0, chan->id);
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