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| author |   Francisco Jerez <currojerez@riseup.net> | 2011-11-19 11:57:52 +0100 |
|---|---|---|
| committer |   Ben Skeggs <bskeggs@redhat.com> | 2011-12-21 19:01:46 +1000 |
| commit | 4e03b4af6dd3cff445fc0455805b43b101647bfc (patch) | |
| tree | 8ef57180b317b6a37b13031dd1151d455a49c99e /drivers/gpu/drm/nouveau/nouveau_dma.c | |
| parent | drm/nvc0/pm: initial engine reclocking (diff) | |
| download | linux-dev-4e03b4af6dd3cff445fc0455805b43b101647bfc.tar.xz linux-dev-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/nouveau_dma.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_dma.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.c b/drivers/gpu/drm/nouveau/nouveau_dma.c index 00bc6eaad558..4c2e4e5925fe 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dma.c +++ b/drivers/gpu/drm/nouveau/nouveau_dma.c @@ -134,11 +134,13 @@ OUT_RINGp(struct nouveau_channel *chan, const void *data, unsigned nr_dwords) * -EBUSY if timeout exceeded */ static inline int -READ_GET(struct nouveau_channel *chan, uint32_t *prev_get, uint32_t *timeout) +READ_GET(struct nouveau_channel *chan, uint64_t *prev_get, int *timeout) { - uint32_t val; + uint64_t val; val = nvchan_rd32(chan, chan->user_get); + if (chan->user_get_hi) + val |= (uint64_t)nvchan_rd32(chan, chan->user_get_hi) << 32; /* reset counter as long as GET is still advancing, this is * to avoid misdetecting a GPU lockup if the GPU happens to @@ -218,8 +220,8 @@ nv50_dma_push_wait(struct nouveau_channel *chan, int count) static int nv50_dma_wait(struct nouveau_channel *chan, int slots, int count) { - uint32_t cnt = 0, prev_get = 0; - int ret; + uint64_t prev_get = 0; + int ret, cnt = 0; ret = nv50_dma_push_wait(chan, slots + 1); if (unlikely(ret)) @@ -261,8 +263,8 @@ nv50_dma_wait(struct nouveau_channel *chan, int slots, int count) int nouveau_dma_wait(struct nouveau_channel *chan, int slots, int size) { - uint32_t prev_get = 0, cnt = 0; - int get; + uint64_t prev_get = 0; + int cnt = 0, get; if (chan->dma.ib_max) return nv50_dma_wait(chan, slots, size); |