diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c index f7a4e0e86b23..60e7d72d6e46 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c @@ -22,6 +22,7 @@ * Authors: Ben Skeggs */ #include "changk104.h" +#include "cgrp.h" #include <core/client.h> #include <core/gpuobj.h> @@ -40,16 +41,21 @@ 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; + struct nvkm_fifo_cgrp *cgrp = chan->cgrp; int ret = 0; mutex_lock(&subdev->mutex); - nvkm_wr32(device, 0x002634, chan->base.chid); + if (cgrp) + nvkm_wr32(device, 0x002634, cgrp->id | 0x01000000); + else + nvkm_wr32(device, 0x002634, chan->base.chid); if (nvkm_msec(device, 2000, if (!(nvkm_rd32(device, 0x002634) & 0x00100000)) break; ) < 0) { - nvkm_error(subdev, "channel %d [%s] kick timeout\n", - chan->base.chid, client->name); + nvkm_error(subdev, "%s %d [%s] kick timeout\n", + cgrp ? "tsg" : "channel", + cgrp ? cgrp->id : chan->base.chid, client->name); nvkm_fifo_recover_chan(&fifo->base, chan->base.chid); ret = -ETIMEDOUT; } @@ -207,7 +213,9 @@ gk104_fifo_gpfifo_init(struct nvkm_fifo_chan *base) static void * gk104_fifo_gpfifo_dtor(struct nvkm_fifo_chan *base) { - return gk104_fifo_chan(base); + struct gk104_fifo_chan *chan = gk104_fifo_chan(base); + kfree(chan->cgrp); + return chan; } static const struct nvkm_fifo_chan_func @@ -264,6 +272,18 @@ gk104_fifo_gpfifo_new_(struct gk104_fifo *fifo, u64 *runlists, u16 *chid, *chid = chan->base.chid; + /* Hack to support GPUs where even individual channels should be + * part of a channel group. + */ + if (fifo->func->cgrp_force) { + if (!(chan->cgrp = kmalloc(sizeof(*chan->cgrp), GFP_KERNEL))) + return -ENOMEM; + chan->cgrp->id = chan->base.chid; + INIT_LIST_HEAD(&chan->cgrp->head); + INIT_LIST_HEAD(&chan->cgrp->chan); + chan->cgrp->chan_nr = 0; + } + /* Clear channel control registers. */ usermem = chan->base.chid * 0x200; ilength = order_base_2(ilength / 8); |
