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| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2017-04-04 14:23:55 +0200 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2017-04-04 14:23:55 +0200 |
| commit | 837e5b8e0685e2e4974e5a86dfd7cbf5802e1422 (patch) | |
| tree | 1b4e116a20e6fdef01a1fc9ee7b46aeeecc23ed0 /drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c | |
| parent | 418f717cce5834203e24368717f542360b020681 (diff) | |
| parent | 61a4577c9a4419b99e647744923517d47255da35 (diff) | |
Merge tag 'v4.4.59' into toradex_vf_4.4-next
This is the 4.4.59 stable release
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c index e7cbc139c1d4..89976ff4b305 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c @@ -59,6 +59,7 @@ gf100_fifo_gpfifo_engine_fini(struct nvkm_fifo_chan *base, struct nvkm_gpuobj *inst = chan->base.inst; int ret = 0; + mutex_lock(&subdev->mutex); nvkm_wr32(device, 0x002634, chan->base.chid); if (nvkm_msec(device, 2000, if (nvkm_rd32(device, 0x002634) == chan->base.chid) @@ -66,10 +67,12 @@ gf100_fifo_gpfifo_engine_fini(struct nvkm_fifo_chan *base, ) < 0) { nvkm_error(subdev, "channel %d [%s] kick timeout\n", chan->base.chid, chan->base.object.client->name); - ret = -EBUSY; - if (suspend) - return ret; + ret = -ETIMEDOUT; } + mutex_unlock(&subdev->mutex); + + if (ret && suspend) + return ret; if (offset) { nvkm_kmap(inst); |