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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifog84.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifog84.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifog84.c95
1 files changed, 95 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifog84.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifog84.c
new file mode 100644
index 000000000..2121f517b
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifog84.c
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2012 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Ben Skeggs
+ */
+#include "channv50.h"
+
+#include <core/client.h>
+#include <core/ramht.h>
+
+#include <nvif/class.h>
+#include <nvif/cl826f.h>
+#include <nvif/unpack.h>
+
+static int
+g84_fifo_gpfifo_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
+ void *data, u32 size, struct nvkm_object **pobject)
+{
+ struct nvkm_object *parent = oclass->parent;
+ union {
+ struct g82_channel_gpfifo_v0 v0;
+ } *args = data;
+ struct nv50_fifo *fifo = nv50_fifo(base);
+ struct nv50_fifo_chan *chan;
+ u64 ioffset, ilength;
+ int ret = -ENOSYS;
+
+ nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
+ if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
+ nvif_ioctl(parent, "create channel gpfifo vers %d vmm %llx "
+ "pushbuf %llx ioffset %016llx "
+ "ilength %08x\n",
+ args->v0.version, args->v0.vmm, args->v0.pushbuf,
+ args->v0.ioffset, args->v0.ilength);
+ if (!args->v0.pushbuf)
+ return -EINVAL;
+ } else
+ return ret;
+
+ if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
+ return -ENOMEM;
+ *pobject = &chan->base.object;
+
+ ret = g84_fifo_chan_ctor(fifo, args->v0.vmm, args->v0.pushbuf,
+ oclass, chan);
+ if (ret)
+ return ret;
+
+ args->v0.chid = chan->base.chid;
+ ioffset = args->v0.ioffset;
+ ilength = order_base_2(args->v0.ilength / 8);
+
+ nvkm_kmap(chan->ramfc);
+ nvkm_wo32(chan->ramfc, 0x3c, 0x403f6078);
+ nvkm_wo32(chan->ramfc, 0x44, 0x01003fff);
+ nvkm_wo32(chan->ramfc, 0x48, chan->base.push->node->offset >> 4);
+ nvkm_wo32(chan->ramfc, 0x50, lower_32_bits(ioffset));
+ nvkm_wo32(chan->ramfc, 0x54, upper_32_bits(ioffset) | (ilength << 16));
+ nvkm_wo32(chan->ramfc, 0x60, 0x7fffffff);
+ nvkm_wo32(chan->ramfc, 0x78, 0x00000000);
+ nvkm_wo32(chan->ramfc, 0x7c, 0x30000001);
+ nvkm_wo32(chan->ramfc, 0x80, ((chan->ramht->bits - 9) << 27) |
+ (4 << 24) /* SEARCH_FULL */ |
+ (chan->ramht->gpuobj->node->offset >> 4));
+ nvkm_wo32(chan->ramfc, 0x88, chan->cache->addr >> 10);
+ nvkm_wo32(chan->ramfc, 0x98, chan->base.inst->addr >> 12);
+ nvkm_done(chan->ramfc);
+ return 0;
+}
+
+const struct nvkm_fifo_chan_oclass
+g84_fifo_gpfifo_oclass = {
+ .base.oclass = G82_CHANNEL_GPFIFO,
+ .base.minver = 0,
+ .base.maxver = 0,
+ .ctor = g84_fifo_gpfifo_new,
+};