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drm/nouveau/ibus/gk20a: increase SM wait timeout

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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>
This commit is contained in:
Alexandre Courbot 2015-04-28 16:17:07 +09:00 committed by Ben Skeggs
parent a67e14b0b6
commit 9c56be4cf3
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c
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@ -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