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authorBen Skeggs <bskeggs@redhat.com>2013-01-31 17:43:55 -0500
committerBen Skeggs <bskeggs@redhat.com>2013-02-20 16:00:47 +1000
commita2fa297378c54e9b8b8ad355e34c9fbed730250b (patch)
tree77b462f24cc8978fa95333def69ab192063d1c17 /drivers/gpu
parent750087f1245e5a5d0692de4e3e7dd76d0f5b5b0a (diff)
drm/nouveau/fifo/nvc0: bash some magic reg to make uevent interrupt work
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
index bf86f40b8a83..4f226afb5591 100644
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
@@ -706,6 +706,7 @@ nvc0_fifo_init(struct nouveau_object *object)
nv_wr32(priv, 0x002a00, 0xffffffff); /* clears PFIFO.INTR bit 30 */
nv_wr32(priv, 0x002100, 0xffffffff);
nv_wr32(priv, 0x002140, 0x3fffffff);
+ nv_wr32(priv, 0x002628, 0x00000001); /* makes mthd 0x20 work */
return 0;
}