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authorChristoph Bumiller <e0425955@student.tuwien.ac.at>2011-11-11 20:47:58 +0100
committerBen Skeggs <bskeggs@redhat.com>2011-11-30 23:40:16 +1000
commitffe2dee49023c2a47ef7e177ceb22ec6bcaecc11 (patch)
treeb10f771344b8af076b6be89eae2caeb55e55a84f
parent33dbc27f1ab3a37d04a8d226327fb3d384870e43 (diff)
drm/nvc0/gr: fix TP init for transform feedback offset queries
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. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
-rw-r--r--drivers/gpu/drm/nouveau/nvc0_graph.c2
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 a74e501afd2..ecfafd70cf0 100644
--- a/drivers/gpu/drm/nouveau/nvc0_graph.c
+++ b/drivers/gpu/drm/nouveau/nvc0_graph.c
@@ -381,6 +381,8 @@ 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