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authorDan Carpenter <dan.carpenter@oracle.com>2013-11-12 13:34:11 +0100
committerBen Skeggs <bskeggs@redhat.com>2013-11-14 14:57:03 +1000
commit377cfdc6eeced55e220fea2d07d6ebdd32166e66 (patch)
tree7072c9b8cac50b0ad052a982c531bf6ca781de51 /drivers/gpu/drm
parent35c336707f51f6336c9cb8a60b6f1aa5a3099ad7 (diff)
drm/nvc0-/gr: shift wrapping bug in nvc0_grctx_generate_r406800
We care about the upper 32 bits here so we have to use 1ULL instead of 1 to avoid a shift wrapping bug. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/graph/ctxnvc0.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/ctxnvc0.c b/drivers/gpu/drm/nouveau/core/engine/graph/ctxnvc0.c
index 64dca260912f..fe67415c3e17 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/ctxnvc0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/ctxnvc0.c
@@ -1039,7 +1039,7 @@ nvc0_grctx_generate_r406800(struct nvc0_graph_priv *priv)
} while (!tpcnr[gpc]);
tpc = priv->tpc_nr[gpc] - tpcnr[gpc]--;
- tpc_set |= 1 << ((gpc * 8) + tpc);
+ tpc_set |= 1ULL << ((gpc * 8) + tpc);
}
nv_wr32(priv, 0x406800 + (i * 0x20), lower_32_bits(tpc_set));