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drm/nvc0/gr: calculate some more of our magic numbers

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Again, doesn't quite match NVIDIA's, but not sure it really matters.  This
will however, match the same rules we use to calculate the other related
grctx magics.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-04-18 12:52:47 +10:00
parent b23b9e7109
commit aa58c40563
2 changed files with 19 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

56
drivers/gpu/drm/nouveau/nvc0_graph.c
View File

@ -296,7 +296,9 @@ static void
nvc0_graph_init_gpc_0(struct drm_device *dev)
{
struct nvc0_graph_priv *priv = nv_engine(dev, NVOBJ_ENGINE_GR);
int gpc;
u32 data[TP_MAX / 8];
u8 tpnr[GPC_MAX];
int i, gpc, tpc;
/*
* TP ROP UNKVAL(magic_not_rop_nr)
@ -305,26 +307,30 @@ nvc0_graph_init_gpc_0(struct drm_device *dev)
* 465: 3/4/4/0 4 7
* 470: 3/3/4/4 5 5
* 480: 3/4/4/4 6 6
*
* magicgpc918
* 450: 00200000 00000000001000000000000000000000
* 460: 00124925 00000000000100100100100100100101
* 465: 000ba2e9 00000000000010111010001011101001
* 470: 00092493 00000000000010010010010010010011
* 480: 00088889 00000000000010001000100010001001
* filled values up to tp_total, remainder 0
* 450: 00003210 00000000 00000000 00000000
* 460: 02321100 00000000 00000000 00000000
* 465: 22111000 00000233 00000000 00000000
* 470: 11110000 00233222 00000000 00000000
* 480: 11110000 03332222 00000000 00000000
*/
nv_wr32(dev, GPC_BCAST(0x0980), priv->magicgpc980[0]);
nv_wr32(dev, GPC_BCAST(0x0984), priv->magicgpc980[1]);
nv_wr32(dev, GPC_BCAST(0x0988), priv->magicgpc980[2]);
nv_wr32(dev, GPC_BCAST(0x098c), priv->magicgpc980[3]);
memset(data, 0x00, sizeof(data));
memcpy(tpnr, priv->tp_nr, sizeof(priv->tp_nr));
for (i = 0, gpc = -1; i < priv->tp_total; i++) {
do {
gpc = (gpc + 1) % priv->gpc_nr;
} while (!tpnr[gpc]);
tpc = priv->tp_nr[gpc] - tpnr[gpc]--;
data[i / 8] |= tpc << ((i % 8) * 4);
}
nv_wr32(dev, GPC_BCAST(0x0980), data[0]);
nv_wr32(dev, GPC_BCAST(0x0984), data[1]);
nv_wr32(dev, GPC_BCAST(0x0988), data[2]);
nv_wr32(dev, GPC_BCAST(0x098c), data[3]);
for (gpc = 0; gpc < priv->gpc_nr; gpc++) {
nv_wr32(dev, GPC_UNIT(gpc, 0x0914), priv->magic_not_rop_nr << 8 |
@ -730,43 +736,23 @@ nvc0_graph_create(struct drm_device *dev)
if (priv->tp_total == 11) { /* 465, 3/4/4/0, 4 */
priv->magic_not_rop_nr = 0x07;
/* filled values up to tp_total, the rest 0 */
priv->magicgpc980[0] = 0x22111000;
priv->magicgpc980[1] = 0x00000233;
priv->magicgpc980[2] = 0x00000000;
priv->magicgpc980[3] = 0x00000000;
priv->magicgpc918 = 0x000ba2e9;
} else
if (priv->tp_total == 14) { /* 470, 3/3/4/4, 5 */
priv->magic_not_rop_nr = 0x05;
priv->magicgpc980[0] = 0x11110000;
priv->magicgpc980[1] = 0x00233222;
priv->magicgpc980[2] = 0x00000000;
priv->magicgpc980[3] = 0x00000000;
priv->magicgpc918 = 0x00092493;
} else
if (priv->tp_total == 15) { /* 480, 3/4/4/4, 6 */
priv->magic_not_rop_nr = 0x06;
priv->magicgpc980[0] = 0x11110000;
priv->magicgpc980[1] = 0x03332222;
priv->magicgpc980[2] = 0x00000000;
priv->magicgpc980[3] = 0x00000000;
priv->magicgpc918 = 0x00088889;
}
break;
case 0xc3: /* 450, 4/0/0/0, 2 */
priv->magic_not_rop_nr = 0x03;
priv->magicgpc980[0] = 0x00003210;
priv->magicgpc980[1] = 0x00000000;
priv->magicgpc980[2] = 0x00000000;
priv->magicgpc980[3] = 0x00000000;
priv->magicgpc918 = 0x00200000;
break;
case 0xc4: /* 460, 3/4/0/0, 4 */
priv->magic_not_rop_nr = 0x01;
priv->magicgpc980[0] = 0x02321100;
priv->magicgpc980[1] = 0x00000000;
priv->magicgpc980[2] = 0x00000000;
priv->magicgpc980[3] = 0x00000000;
priv->magicgpc918 = 0x00124925;
break;
}
@ -777,10 +763,6 @@ nvc0_graph_create(struct drm_device *dev)
priv->tp_nr[3], priv->rop_nr);
/* use 0xc3's values... */
priv->magic_not_rop_nr = 0x03;
priv->magicgpc980[0] = 0x00003210;
priv->magicgpc980[1] = 0x00000000;
priv->magicgpc980[2] = 0x00000000;
priv->magicgpc980[3] = 0x00000000;
priv->magicgpc918 = 0x00200000;
}

1
drivers/gpu/drm/nouveau/nvc0_graph.h
View File

@ -58,7 +58,6 @@ struct nvc0_graph_priv {
struct nouveau_gpuobj *unk4188b8;
u8 magic_not_rop_nr;
u32 magicgpc980[4];
u32 magicgpc918;
};