korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-25 12:04:46 +08:00
Code Issues Packages Projects Releases Wiki Activity

drm/nvc0-/gr: shift wrapping bug in nvc0_grctx_generate_r406800

Browse Source 
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>
This commit is contained in:
Dan Carpenter 2013-11-12 13:34:11 +01:00 committed by Ben Skeggs
parent 35c336707f
commit 377cfdc6ee
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/nouveau/core/engine/graph/ctxnvc0.c
View File

@ -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));