diff options
| author | Alexandre Courbot <acourbot@nvidia.com> | 2015-04-28 16:17:07 +0900 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2015-06-09 07:46:16 +1000 |
| commit | e23543898bdcb877872505e93f31ecf6d9384783 (patch) | |
| tree | fc2d7d21570f4576f753b93ec5c31d79f5428670 | |
| parent | 004627b8cedb0e2a5e22fa87d5fe531b36a6389e (diff) | |
ibus/gk20a: increase SM wait timeout
Increase clock timeout for SYS, FPB and GPC in order to avoid operation
failure at high gpcclk rate.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| -rw-r--r-- | drm/nouveau/nvkm/subdev/ibus/gk20a.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drm/nouveau/nvkm/subdev/ibus/gk20a.c b/drm/nouveau/nvkm/subdev/ibus/gk20a.c index c0fdb89e..24dcdfb5 100644 --- a/drm/nouveau/nvkm/subdev/ibus/gk20a.c +++ b/drm/nouveau/nvkm/subdev/ibus/gk20a.c @@ -38,6 +38,14 @@ gk20a_ibus_init_priv_ring(struct gk20a_ibus_priv *priv) nv_wr32(priv, 0x12004c, 0x4); nv_wr32(priv, 0x122204, 0x2); nv_rd32(priv, 0x122204); + + /* + * Bug: increase clock timeout to avoid operation failure at high + * gpcclk rate. + */ + nv_wr32(priv, 0x122354, 0x800); + nv_wr32(priv, 0x128328, 0x800); + nv_wr32(priv, 0x124320, 0x800); } static void |