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drm/nouveau/gem: use bo.offset rather than mm_node.start 

Won't necessarily be a drm_mm_node in the future, and I can't think of any
good reason to not use the offset from the bo struct.  There may have been
some reason once apon a time, but, separate commit just in case.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2012-08-04 05:46:01 +10:00
parent d6ba6d215a
commit 3a92d37e40
1 changed files with 3 additions and 6 deletions
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9
drivers/gpu/drm/nouveau/nouveau_gem.c
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@ -733,10 +733,8 @@ nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
for (i = 0; i < req->nr_push; i++) {
struct nouveau_bo *nvbo = (void *)(unsigned long)
bo[push[i].bo_index].user_priv;
struct drm_mm_node *mem = nvbo->bo.mem.mm_node;
OUT_RING(chan, ((mem->start << PAGE_SHIFT) +
push[i].offset) | 2);
OUT_RING(chan, (nvbo->bo.offset + push[i].offset) | 2);
OUT_RING(chan, 0);
}
} else {
@ -749,7 +747,6 @@ nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
for (i = 0; i < req->nr_push; i++) {
struct nouveau_bo *nvbo = (void *)(unsigned long)
bo[push[i].bo_index].user_priv;
struct drm_mm_node *mem = nvbo->bo.mem.mm_node;
uint32_t cmd;
cmd = chan->pushbuf_base + ((chan->dma.cur + 2) << 2);
@ -771,8 +768,8 @@ nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
push[i].length - 8) / 4, cmd);
}
OUT_RING(chan, ((mem->start << PAGE_SHIFT) +
push[i].offset) | 0x20000000);
OUT_RING(chan, 0x20000000 |
(nvbo->bo.offset + push[i].offset));
OUT_RING(chan, 0);
for (j = 0; j < NOUVEAU_DMA_SKIPS; j++)
OUT_RING(chan, 0);