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

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>

diff --git a/drivers/gpu/drm/nouveau/nvc0_graph.c b/drivers/gpu/drm/nouveau/nvc0_graph.c
index c4b65fa7aaf1e4dc6bb8e59bdeac1951811cbdeb..ca6db204d644711dafcaa8e9eaf2c88deada27ae 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvc0_graph.c
+++ b/drivers/gpu/drm/nouveau/nvc0_graph.c
@@ -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;
        }
 

diff --git a/drivers/gpu/drm/nouveau/nvc0_graph.h b/drivers/gpu/drm/nouveau/nvc0_graph.h
index f59d848b52ebc4d0154177d83511762e0c74ba37..f5d184e0689df4bad0f99ce792167c1c8ea960f9 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvc0_graph.h
+++ b/drivers/gpu/drm/nouveau/nvc0_graph.h
@@ -58,7 +58,6 @@ struct nvc0_graph_priv {
        struct nouveau_gpuobj *unk4188b8;
 
        u8  magic_not_rop_nr;
-       u32 magicgpc980[4];
        u32 magicgpc918;
 };