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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/nouveau_dma.c
parent045da4e55581d9b4de135bbdbdd1b7fa98dc18a9 (diff)
downloadop-kernel-dev-4e03b4af6dd3cff445fc0455805b43b101647bfc.zip
op-kernel-dev-4e03b4af6dd3cff445fc0455805b43b101647bfc.tar.gz
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.c14
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 00bc6ea..4c2e4e5 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);
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