int
nv50_graph_create_context(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *ramin = chan->ramin->gpuobj;
struct nouveau_gpuobj *ctx;
struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
int hdr, ret;
NV_DEBUG(dev, "ch%d\n", chan->id);
ret = nouveau_gpuobj_new_ref(dev, chan, NULL, 0, pgraph->grctx_size,
0x1000, NVOBJ_FLAG_ZERO_ALLOC |
NVOBJ_FLAG_ZERO_FREE, &chan->ramin_grctx);
if (ret)
return ret;
ctx = chan->ramin_grctx->gpuobj;
hdr = IS_G80 ? 0x200 : 0x20;
dev_priv->engine.instmem.prepare_access(dev, true);
nv_wo32(dev, ramin, (hdr + 0x00)/4, 0x00190002);
nv_wo32(dev, ramin, (hdr + 0x04)/4, chan->ramin_grctx->instance +
pgraph->grctx_size - 1);
nv_wo32(dev, ramin, (hdr + 0x08)/4, chan->ramin_grctx->instance);
nv_wo32(dev, ramin, (hdr + 0x0c)/4, 0);
nv_wo32(dev, ramin, (hdr + 0x10)/4, 0);
nv_wo32(dev, ramin, (hdr + 0x14)/4, 0x00010000);
dev_priv->engine.instmem.finish_access(dev);
dev_priv->engine.instmem.prepare_access(dev, true);
if (!pgraph->ctxprog) {
struct nouveau_grctx ctx = {};
ctx.dev = chan->dev;
ctx.mode = NOUVEAU_GRCTX_VALS;
ctx.data = chan->ramin_grctx->gpuobj;
nv50_grctx_init(&ctx);
} else {
nouveau_grctx_vals_load(dev, ctx);
}
nv_wo32(dev, ctx, 0x00000/4, chan->ramin->instance >> 12);
if ((dev_priv->chipset & 0xf0) == 0xa0)
nv_wo32(dev, ctx, 0x00004/4, 0x00000000);
else
nv_wo32(dev, ctx, 0x0011c/4, 0x00000000);
dev_priv->engine.instmem.finish_access(dev);
return 0;
}
static int
nv50_graph_init_ctxctl(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
NV_DEBUG(dev, "\n");
if (nouveau_ctxfw) {
nouveau_grctx_prog_load(dev);
dev_priv->engine.graph.grctx_size = 0x70000;
}
if (!dev_priv->engine.graph.ctxprog) {
struct nouveau_grctx ctx = {};
uint32_t *cp = kmalloc(512 * 4, GFP_KERNEL);
int i;
if (!cp) {
NV_ERROR(dev, "Couldn't alloc ctxprog! Disabling acceleration.\n");
dev_priv->engine.graph.accel_blocked = true;
return 0;
}
ctx.dev = dev;
ctx.mode = NOUVEAU_GRCTX_PROG;
ctx.data = cp;
ctx.ctxprog_max = 512;
if (!nv50_grctx_init(&ctx)) {
dev_priv->engine.graph.grctx_size = ctx.ctxvals_pos * 4;
nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_INDEX, 0);
for (i = 0; i < ctx.ctxprog_len; i++)
nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_DATA, cp[i]);
} else {
dev_priv->engine.graph.accel_blocked = true;
}
kfree(cp);
}
nv_wr32(dev, 0x400320, 4);
nv_wr32(dev, NV40_PGRAPH_CTXCTL_CUR, 0);
nv_wr32(dev, NV20_PGRAPH_CHANNEL_CTX_POINTER, 0);
return 0;
}
static int
nv50_graph_context_new(struct nouveau_channel *chan, int engine)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *ramin = chan->ramin;
struct nouveau_gpuobj *grctx = NULL;
struct nv50_graph_engine *pgraph = nv_engine(dev, engine);
struct nouveau_grctx ctx = {};
int hdr, ret;
NV_DEBUG(dev, "ch%d\n", chan->id);
ret = nouveau_gpuobj_new(dev, NULL, pgraph->grctx_size, 0,
NVOBJ_FLAG_ZERO_ALLOC |
NVOBJ_FLAG_ZERO_FREE, &grctx);
if (ret)
return ret;
hdr = (dev_priv->chipset == 0x50) ? 0x200 : 0x20;
nv_wo32(ramin, hdr + 0x00, 0x00190002);
nv_wo32(ramin, hdr + 0x04, grctx->vinst + grctx->size - 1);
nv_wo32(ramin, hdr + 0x08, grctx->vinst);
nv_wo32(ramin, hdr + 0x0c, 0);
nv_wo32(ramin, hdr + 0x10, 0);
nv_wo32(ramin, hdr + 0x14, 0x00010000);
ctx.dev = chan->dev;
ctx.mode = NOUVEAU_GRCTX_VALS;
ctx.data = grctx;
nv50_grctx_init(&ctx);
nv_wo32(grctx, 0x00000, chan->ramin->vinst >> 12);
dev_priv->engine.instmem.flush(dev);
atomic_inc(&chan->vm->engref[NVOBJ_ENGINE_GR]);
chan->engctx[NVOBJ_ENGINE_GR] = grctx;
return 0;
}
int
nv50_graph_create_context(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *ramin = chan->ramin;
struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
struct nouveau_grctx ctx = {};
int hdr, ret;
NV_DEBUG(dev, "ch%d\n", chan->id);
ret = nouveau_gpuobj_new(dev, chan, pgraph->grctx_size, 0,
NVOBJ_FLAG_ZERO_ALLOC |
NVOBJ_FLAG_ZERO_FREE, &chan->ramin_grctx);
if (ret)
return ret;
hdr = (dev_priv->chipset == 0x50) ? 0x200 : 0x20;
nv_wo32(ramin, hdr + 0x00, 0x00190002);
nv_wo32(ramin, hdr + 0x04, chan->ramin_grctx->vinst +
pgraph->grctx_size - 1);
nv_wo32(ramin, hdr + 0x08, chan->ramin_grctx->vinst);
nv_wo32(ramin, hdr + 0x0c, 0);
nv_wo32(ramin, hdr + 0x10, 0);
nv_wo32(ramin, hdr + 0x14, 0x00010000);
ctx.dev = chan->dev;
ctx.mode = NOUVEAU_GRCTX_VALS;
ctx.data = chan->ramin_grctx;
nv50_grctx_init(&ctx);
nv_wo32(chan->ramin_grctx, 0x00000, chan->ramin->vinst >> 12);
dev_priv->engine.instmem.flush(dev);
atomic_inc(&chan->vm->pgraph_refs);
return 0;
}
