diff options
| author | Ben Skeggs | 2018-12-11 05:50:02 +0100 |
|---|---|---|
| committer | Ben Skeggs | 2018-12-11 06:37:47 +0100 |
| commit | 85532bd984d77cef5a59e9cbb73e8161b94017ae (patch) | |
| tree | fc37226779fb04545fbe745f0b1704d2ff1a1a75 /drivers/gpu/drm/nouveau/nvkm/engine/fifo | |
| parent | drm/nouveau/fifo/gk104-: return channel instance in ctor args (diff) | |
| download | kernel-qcow2-linux-85532bd984d77cef5a59e9cbb73e8161b94017ae.tar.gz kernel-qcow2-linux-85532bd984d77cef5a59e9cbb73e8161b94017ae.tar.xz kernel-qcow2-linux-85532bd984d77cef5a59e9cbb73e8161b94017ae.zip | |
drm/nouveau/fifo/gk104-: support enabling privileged ce functions
Will be used by SVM code to allow direct (without going through MMU) memcpy
using the GPU copy engines.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogv100.c | 13 |
2 files changed, 15 insertions, 8 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c index 523f8a09c52a..8e30b3d3ff10 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c @@ -240,7 +240,7 @@ gk104_fifo_gpfifo_func = { static int gk104_fifo_gpfifo_new_(struct gk104_fifo *fifo, u64 *runlists, u16 *chid, - u64 vmm, u64 ioffset, u64 ilength, u64 *inst, + u64 vmm, u64 ioffset, u64 ilength, u64 *inst, bool priv, const struct nvkm_oclass *oclass, struct nvkm_object **pobject) { @@ -316,6 +316,7 @@ gk104_fifo_gpfifo_new_(struct gk104_fifo *fifo, u64 *runlists, u16 *chid, nvkm_wo32(chan->base.inst, 0x94, 0x30000001); nvkm_wo32(chan->base.inst, 0x9c, 0x00000100); nvkm_wo32(chan->base.inst, 0xac, 0x0000001f); + nvkm_wo32(chan->base.inst, 0xe4, priv ? 0x00000020 : 0x00000000); nvkm_wo32(chan->base.inst, 0xe8, chan->base.chid); nvkm_wo32(chan->base.inst, 0xb8, 0xf8000000); nvkm_wo32(chan->base.inst, 0xf8, 0x10003080); /* 0x002310 */ @@ -338,9 +339,11 @@ gk104_fifo_gpfifo_new(struct gk104_fifo *fifo, const struct nvkm_oclass *oclass, if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) { nvif_ioctl(parent, "create channel gpfifo vers %d vmm %llx " "ioffset %016llx ilength %08x " - "runlist %016llx\n", + "runlist %016llx priv %d\n", args->v0.version, args->v0.vmm, args->v0.ioffset, - args->v0.ilength, args->v0.runlist); + args->v0.ilength, args->v0.runlist, args->v0.priv); + if (args->v0.priv && !oclass->client->super) + return -EINVAL; return gk104_fifo_gpfifo_new_(fifo, &args->v0.runlist, &args->v0.chid, @@ -348,6 +351,7 @@ gk104_fifo_gpfifo_new(struct gk104_fifo *fifo, const struct nvkm_oclass *oclass, args->v0.ioffset, args->v0.ilength, &args->v0.inst, + args->v0.priv, oclass, pobject); } diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogv100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogv100.c index 97c3af3de900..65db8a1be943 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogv100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogv100.c @@ -114,7 +114,7 @@ gv100_fifo_gpfifo_func = { static int gv100_fifo_gpfifo_new_(struct gk104_fifo *fifo, u64 *runlists, u16 *chid, - u64 vmm, u64 ioffset, u64 ilength, u64 *inst, + u64 vmm, u64 ioffset, u64 ilength, u64 *inst, bool priv, const struct nvkm_oclass *oclass, struct nvkm_object **pobject) { @@ -185,9 +185,9 @@ gv100_fifo_gpfifo_new_(struct gk104_fifo *fifo, u64 *runlists, u16 *chid, (ilength << 16)); nvkm_wo32(chan->base.inst, 0x084, 0x20400000); nvkm_wo32(chan->base.inst, 0x094, 0x30000001); - nvkm_wo32(chan->base.inst, 0x0e4, 0x00000020); + nvkm_wo32(chan->base.inst, 0x0e4, priv ? 0x00000020 : 0x00000000); nvkm_wo32(chan->base.inst, 0x0e8, chan->base.chid); - nvkm_wo32(chan->base.inst, 0x0f4, 0x00001100); + nvkm_wo32(chan->base.inst, 0x0f4, 0x00001000); nvkm_wo32(chan->base.inst, 0x0f8, 0x10003080); nvkm_mo32(chan->base.inst, 0x218, 0x00000000, 0x00000000); nvkm_wo32(chan->base.inst, 0x220, 0x020a1000); @@ -210,9 +210,11 @@ gv100_fifo_gpfifo_new(struct gk104_fifo *fifo, const struct nvkm_oclass *oclass, if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) { nvif_ioctl(parent, "create channel gpfifo vers %d vmm %llx " "ioffset %016llx ilength %08x " - "runlist %016llx\n", + "runlist %016llx priv %d\n", args->v0.version, args->v0.vmm, args->v0.ioffset, - args->v0.ilength, args->v0.runlist); + args->v0.ilength, args->v0.runlist, args->v0.priv); + if (args->v0.priv && !oclass->client->super) + return -EINVAL; return gv100_fifo_gpfifo_new_(fifo, &args->v0.runlist, &args->v0.chid, @@ -220,6 +222,7 @@ gv100_fifo_gpfifo_new(struct gk104_fifo *fifo, const struct nvkm_oclass *oclass, args->v0.ioffset, args->v0.ilength, &args->v0.inst, + args->v0.priv, oclass, pobject); } |