diff options
Diffstat (limited to 'kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo')
3 files changed, 14 insertions, 6 deletions
diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c index bfcc6408a..b7f4b826f 100644 --- a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c +++ b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/dmanv04.c @@ -36,7 +36,10 @@ nv04_fifo_dma_object_dtor(struct nvkm_fifo_chan *base, int cookie) { struct nv04_fifo_chan *chan = nv04_fifo_chan(base); struct nvkm_instmem *imem = chan->fifo->base.engine.subdev.device->imem; + + mutex_lock(&chan->fifo->base.engine.subdev.mutex); nvkm_ramht_remove(imem->ramht, cookie); + mutex_unlock(&chan->fifo->base.engine.subdev.mutex); } static int diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c index e7cbc139c..89976ff4b 100644 --- a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogf100.c +++ b/kernel/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); diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c index 0b817540a..aa1692e56 100644 --- a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c +++ b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c @@ -39,7 +39,9 @@ gk104_fifo_gpfifo_kick(struct gk104_fifo_chan *chan) struct nvkm_subdev *subdev = &fifo->base.engine.subdev; struct nvkm_device *device = subdev->device; struct nvkm_client *client = chan->base.object.client; + int ret = 0; + mutex_lock(&subdev->mutex); nvkm_wr32(device, 0x002634, chan->base.chid); if (nvkm_msec(device, 2000, if (!(nvkm_rd32(device, 0x002634) & 0x00100000)) @@ -47,10 +49,10 @@ gk104_fifo_gpfifo_kick(struct gk104_fifo_chan *chan) ) < 0) { nvkm_error(subdev, "channel %d [%s] kick timeout\n", chan->base.chid, client->name); - return -EBUSY; + ret = -ETIMEDOUT; } - - return 0; + mutex_unlock(&subdev->mutex); + return ret; } static u32 |