Without this, they return bytes written since the last update of
the offset, but we want the full offset.
Trace shows setting this on GPC[0]/TP[0] is enough.
---
drivers/gpu/drm/nouveau/nvc0_graph.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nvc0_graph.c
b/drivers/gpu/drm/nouveau/nvc0_graph.c
index d99b285..f6bc4a8 100644
--- a/drivers/gpu/drm/nouveau/nvc0_graph.c
+++ b/drivers/gpu/drm/nouveau/nvc0_graph.c
@@ -357,6 +357,8 @@ nvc0_graph_init_gpc_0(struct drm_device *dev)
u8 tpnr[GPC_MAX];
int i, gpc, tpc;
+ nv_wr32(dev, TP_UNIT(0, 0, 0x5c), 1); /* affects TFB offset queries */
+
/*
* TP ROP UNKVAL(magic_not_rop_nr)
* 450: 4/0/0/0 2 3
--
1.7.3.4
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