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| author | Alexandre Courbot <acourbot@nvidia.com> | 2015-04-28 16:17:07 +0900 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2015-07-27 18:56:08 +1000 |
| commit | 9c56be4cf3d6db5a20c3b6483bd4cdc21c15cf4f (patch) | |
| tree | 2e02016a1866fb45110ee39c99ee59489b6a0d32 /drivers/gpu | |
| parent | a67e14b0b6e35355411a4f2b05f8d087a196dac9 (diff) | |
| download | linux-9c56be4cf3d6db5a20c3b6483bd4cdc21c15cf4f.tar.gz linux-9c56be4cf3d6db5a20c3b6483bd4cdc21c15cf4f.tar.bz2 linux-9c56be4cf3d6db5a20c3b6483bd4cdc21c15cf4f.zip | |
drm/nouveau/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>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c index c0fdb89e74ac..24dcdfb58a8d 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c +++ b/drivers/gpu/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 |