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author | Lauri Peltonen <lpeltonen@nvidia.com> | 2015-02-26 13:16:48 +0900 |
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committer | Ben Skeggs <bskeggs@redhat.com> | 2015-04-14 17:00:41 +1000 |
commit | c6a7b026a3a80662d8f7bb6b4f7821329aa7111b (patch) | |
tree | 1e2ebd78ec13e32f994363f7c3f3deaf148b0527 /drivers/gpu | |
parent | 3d951c38006bd007e1b9a6f681691141ed600ea0 (diff) | |
download | linux-c6a7b026a3a80662d8f7bb6b4f7821329aa7111b.tar.bz2 |
drm/nouveau/gr/gf100: Clear notify interrupt
Notify interrupt is only used for cyclestats. We can just clear it and
avoid an "unknown stat" error that gets printed to dmesg otherwise.
Signed-off-by: Lauri Peltonen <lpeltonen@nvidia.com>
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/engine/gr/gf100.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c index 9707870a58c9..86c9515018d0 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c @@ -1103,6 +1103,15 @@ gf100_gr_intr(struct nvkm_subdev *subdev) engctx = nvkm_engctx_get(engine, inst); chid = pfifo->chid(pfifo, engctx); + if (stat & 0x00000001) { + /* + * notifier interrupt, only needed for cyclestats + * can be safely ignored + */ + nv_wr32(priv, 0x400100, 0x00000001); + stat &= ~0x00000001; + } + if (stat & 0x00000010) { handle = nvkm_handle_get_class(engctx, class); if (!handle || nv_call(handle->object, mthd, data)) { |