diff options
| author | Francisco Jerez <currojerez@riseup.net> | 2010-12-16 10:30:35 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2010-12-16 10:34:43 +1000 |
| commit | c45aadabb961501b3e64bc92d0bf12fdce26d37d (patch) | |
| tree | 3ecb2731867c744e28666b86d573ca2ec420d471 /drivers/gpu | |
| parent | fd70b6cd780742b97f525415bf5e4fb24a4bb6d8 (diff) | |
drm/nv50: fix a couple of vm init issues
Fixes overwriting the first page table entry when testing that the PRAMIN
BAR can be correctly read/written, and adds an additional bar flush after
poking the BAR3 control regs.
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_instmem.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_instmem.c b/drivers/gpu/drm/nouveau/nv50_instmem.c index 38f30270cb9..adac4da98f7 100644 --- a/drivers/gpu/drm/nouveau/nv50_instmem.c +++ b/drivers/gpu/drm/nouveau/nv50_instmem.c @@ -182,16 +182,17 @@ nv50_instmem_init(struct drm_device *dev) nv_wr32(dev, 0x001704, 0x40000000 | (chan->ramin->vinst >> 12)); nv_wr32(dev, 0x00170c, 0x80000000 | (priv->bar3_dmaobj->cinst >> 4)); - tmp = nv_ri32(dev, 0); - nv_wi32(dev, 0, ~tmp); - if (nv_ri32(dev, 0) != ~tmp) { + dev_priv->engine.instmem.flush(dev); + dev_priv->ramin_available = true; + + tmp = nv_ro32(chan->ramin, 0); + nv_wo32(chan->ramin, 0, ~tmp); + if (nv_ro32(chan->ramin, 0) != ~tmp) { NV_ERROR(dev, "PRAMIN readback failed\n"); ret = -EIO; goto error; } - nv_wi32(dev, 0, tmp); - - dev_priv->ramin_available = true; + nv_wo32(chan->ramin, 0, tmp); /* BAR1 */ ret = nouveau_vm_new(dev, BAR1_VM_BASE, BAR1_VM_SIZE, BAR1_VM_BASE, |