From b1cd916ab96e5fcd16e2009410af2e8edfae2962 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Fri, 24 Dec 2010 09:33:33 +1000
Subject: [PATCH] drm/nvc0: kill off a couple more magics

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
 drivers/gpu/drm/nouveau/nvc0_graph.c | 14 +-------------
 drivers/gpu/drm/nouveau/nvc0_graph.h |  2 --
 drivers/gpu/drm/nouveau/nvc0_grctx.c | 24 ++++++++++++++++++++----
 3 files changed, 21 insertions(+), 19 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nvc0_graph.c b/drivers/gpu/drm/nouveau/nvc0_graph.c
index cf2f6aa920b4..f03c17a10ab9 100644
--- a/drivers/gpu/drm/nouveau/nvc0_graph.c
+++ b/drivers/gpu/drm/nouveau/nvc0_graph.c
@@ -334,8 +334,6 @@ nvc0_graph_create(struct drm_device *dev)
 	case 0xc0:
 		if (priv->tp_total == 11) { /* 465, 3/4/4/0, 4 */
 			priv->magic_not_rop_nr = 0x07;
-			priv->magic419bd0      = 0x0a360000;
-			priv->magic419be4      = 0x04c33a54;
 			/* filled values up to tp_total, the rest 0 */
 			priv->magicgpc980[0]   = 0x22111000;
 			priv->magicgpc980[1]   = 0x00000233;
@@ -345,8 +343,6 @@ nvc0_graph_create(struct drm_device *dev)
 		} else
 		if (priv->tp_total == 14) { /* 470, 3/3/4/4, 5 */
 			priv->magic_not_rop_nr = 0x05;
-			priv->magic419bd0      = 0x043c0000;
-			priv->magic419be4      = 0x09041208;
 			priv->magicgpc980[0]   = 0x11110000;
 			priv->magicgpc980[1]   = 0x00233222;
 			priv->magicgpc980[2]   = 0x00000000;
@@ -355,8 +351,6 @@ nvc0_graph_create(struct drm_device *dev)
 		} else
 		if (priv->tp_total == 15) { /* 480, 3/4/4/4, 6 */
 			priv->magic_not_rop_nr = 0x06;
-			priv->magic419bd0      = 0x023e0000;
-			priv->magic419be4      = 0x10414104;
 			priv->magicgpc980[0]   = 0x11110000;
 			priv->magicgpc980[1]   = 0x03332222;
 			priv->magicgpc980[2]   = 0x00000000;
@@ -366,8 +360,6 @@ nvc0_graph_create(struct drm_device *dev)
 		break;
 	case 0xc3: /* 450, 4/0/0/0, 2 */
 		priv->magic_not_rop_nr = 0x03;
-		priv->magic419bd0      = 0x00500000;
-		priv->magic419be4      = 0x00000000;
 		priv->magicgpc980[0]   = 0x00003210;
 		priv->magicgpc980[1]   = 0x00000000;
 		priv->magicgpc980[2]   = 0x00000000;
@@ -376,8 +368,6 @@ nvc0_graph_create(struct drm_device *dev)
 		break;
 	case 0xc4: /* 460, 3/4/0/0, 4 */
 		priv->magic_not_rop_nr = 0x01;
-		priv->magic419bd0      = 0x045c0000;
-		priv->magic419be4      = 0x09041208;
 		priv->magicgpc980[0]   = 0x02321100;
 		priv->magicgpc980[1]   = 0x00000000;
 		priv->magicgpc980[2]   = 0x00000000;
@@ -386,14 +376,12 @@ nvc0_graph_create(struct drm_device *dev)
 		break;
 	}
 
-	if (!priv->magic419bd0) {
+	if (!priv->magic_not_rop_nr) {
 		NV_ERROR(dev, "PGRAPH: unknown config: %d/%d/%d/%d, %d\n",
 			 priv->tp_nr[0], priv->tp_nr[1], priv->tp_nr[2],
 			 priv->tp_nr[3], priv->rop_nr);
 		/* use 0xc3's values... */
 		priv->magic_not_rop_nr = 0x03;
-		priv->magic419bd0      = 0x00500000;
-		priv->magic419be4      = 0x00000000;
 		priv->magicgpc980[0]   = 0x00003210;
 		priv->magicgpc980[1]   = 0x00000000;
 		priv->magicgpc980[2]   = 0x00000000;
diff --git a/drivers/gpu/drm/nouveau/nvc0_graph.h b/drivers/gpu/drm/nouveau/nvc0_graph.h
index 1e1f24f3fd34..40e26f9c56c4 100644
--- a/drivers/gpu/drm/nouveau/nvc0_graph.h
+++ b/drivers/gpu/drm/nouveau/nvc0_graph.h
@@ -46,8 +46,6 @@ struct nvc0_graph_priv {
 	struct nouveau_gpuobj *unk4188b8;
 
 	u8  magic_not_rop_nr;
-	u32 magic419bd0;
-	u32 magic419be4;
 	u32 magicgpc980[4];
 	u32 magicgpc918;
 };
diff --git a/drivers/gpu/drm/nouveau/nvc0_grctx.c b/drivers/gpu/drm/nouveau/nvc0_grctx.c
index 88fa6211ac19..fddfab73a58d 100644
--- a/drivers/gpu/drm/nouveau/nvc0_grctx.c
+++ b/drivers/gpu/drm/nouveau/nvc0_grctx.c
@@ -1875,9 +1875,11 @@ nvc0_grctx_generate(struct nouveau_channel *chan)
 	}
 
 	if (1) {
-		u32 data[6] = {};
+		u32 data[6] = {}, data2[2] = {};
 		u8 tpnr[GPC_MAX];
+		u8 shift, ntpcv;
 
+		/* calculate first set of magics */
 		memcpy(tpnr, priv->tp_nr, sizeof(priv->tp_nr));
 
 		for (tp = 0; tp < priv->tp_total; tp++) {
@@ -1892,6 +1894,20 @@ nvc0_grctx_generate(struct nouveau_channel *chan)
 		for (; tp < 32; tp++)
 			data[tp / 6] |= 7 << ((tp % 6) * 5);
 
+		/* and the second... */
+		shift = 0;
+		ntpcv = priv->tp_total;
+		while (!(ntpcv & (1 << 4))) {
+			ntpcv <<= 1;
+			shift++;
+		}
+
+		data2[0]  = (ntpcv << 16);
+		data2[0] |= (shift << 21);
+		data2[0] |= (((1 << (0 + 5)) % ntpcv) << 24);
+		for (i = 1; i < 7; i++)
+			data2[1] |= ((1 << (i + 5)) % ntpcv) << ((i - 1) * 5);
+
 		// GPC_BROADCAST
 		nv_wr32(dev, 0x418bb8, (priv->tp_total << 8) |
 					priv->magic_not_rop_nr);
@@ -1900,9 +1916,9 @@ nvc0_grctx_generate(struct nouveau_channel *chan)
 
 		// GPC_BROADCAST.TP_BROADCAST
 		nv_wr32(dev, 0x419bd0, (priv->tp_total << 8) |
-					priv->magic_not_rop_nr |
-					priv->magic419bd0);
-		nv_wr32(dev, 0x419be4, priv->magic419be4);
+				       priv->magic_not_rop_nr |
+				       data2[0]);
+		nv_wr32(dev, 0x419be4, data2[1]);
 		for (i = 0; i < 6; i++)
 			nv_wr32(dev, 0x419b00 + (i * 4), data[i]);
 
-- 
2.39.5