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drm/nvc0/gr: fix mthd data submission 

If the initial data element is 0, it will never be written, even
though the value from the previous method may be there.

Signed-off-by: Kelly Doran <kel.p.doran@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Kelly Doran 2013-12-20 11:07:26 -06:00 committed by Ben Skeggs
parent 61b365a505
commit 854cc0e4cb
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
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@ -334,7 +334,7 @@ nvc0_graph_mthd(struct nvc0_graph_priv *priv, struct nvc0_graph_mthd *mthds)
while ((mthd = &mthds[i++]) && (init = mthd->init)) {
u32 addr = 0x80000000 | mthd->oclass;
for (data = 0; init->count; init++) {
if (data != init->data) {
if (init == mthd->init || data != init->data) {
nv_wr32(priv, 0x40448c, init->data);
data = init->data;
}