drm/nvc0/gr: implement initial trap handler
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
index f002e7e..c62f2d0 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
@@ -224,6 +224,192 @@
}
static void
+nvc0_graph_trap_tpc(struct nvc0_graph_priv *priv, int gpc, int tpc)
+{
+ u32 stat = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x0508));
+
+ if (stat & 0x00000001) {
+ u32 trap = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x0224));
+ nv_error(priv, "GPC%d/TPC%d/TEX: 0x%08x\n", gpc, tpc, trap);
+ nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0224), 0xc0000000);
+ nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0508), 0x00000001);
+ stat &= ~0x00000001;
+ }
+
+ if (stat & 0x00000002) {
+ u32 trap0 = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x0644));
+ u32 trap1 = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x064c));
+ nv_error(priv, "GPC%d/TPC%d/MP: 0x%08x 0x%08x\n",
+ gpc, tpc, trap0, trap1);
+ nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0644), 0x001ffffe);
+ nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x064c), 0x0000000f);
+ nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0508), 0x00000002);
+ stat &= ~0x00000002;
+ }
+
+ if (stat & 0x00000004) {
+ u32 trap = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x0084));
+ nv_error(priv, "GPC%d/TPC%d/POLY: 0x%08x\n", gpc, tpc, trap);
+ nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0084), 0xc0000000);
+ nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0508), 0x00000004);
+ stat &= ~0x00000004;
+ }
+
+ if (stat & 0x00000008) {
+ u32 trap = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x048c));
+ nv_error(priv, "GPC%d/TPC%d/L1C: 0x%08x\n", gpc, tpc, trap);
+ nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x048c), 0xc0000000);
+ nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0508), 0x00000008);
+ stat &= ~0x00000008;
+ }
+
+ if (stat) {
+ nv_error(priv, "GPC%d/TPC%d/0x%08x: unknown\n", gpc, tpc, stat);
+ nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0508), stat);
+ }
+}
+
+static void
+nvc0_graph_trap_gpc(struct nvc0_graph_priv *priv, int gpc)
+{
+ u32 stat = nv_rd32(priv, GPC_UNIT(gpc, 0x2c90));
+ int tpc;
+
+ if (stat & 0x00000001) {
+ u32 trap = nv_rd32(priv, GPC_UNIT(gpc, 0x0420));
+ nv_error(priv, "GPC%d/PROP: 0x%08x\n", gpc, trap);
+ nv_wr32(priv, GPC_UNIT(gpc, 0x0420), 0xc0000000);
+ nv_wr32(priv, GPC_UNIT(gpc, 0x2c90), 0x00000001);
+ stat &= ~0x00000001;
+ }
+
+ if (stat & 0x00000002) {
+ u32 trap = nv_rd32(priv, GPC_UNIT(gpc, 0x0900));
+ nv_error(priv, "GPC%d/ZCULL: 0x%08x\n", gpc, trap);
+ nv_wr32(priv, GPC_UNIT(gpc, 0x0900), 0xc0000000);
+ nv_wr32(priv, GPC_UNIT(gpc, 0x2c90), 0x00000002);
+ stat &= ~0x00000002;
+ }
+
+ if (stat & 0x00000004) {
+ u32 trap = nv_rd32(priv, GPC_UNIT(gpc, 0x1028));
+ nv_error(priv, "GPC%d/CCACHE: 0x%08x\n", gpc, trap);
+ nv_wr32(priv, GPC_UNIT(gpc, 0x1028), 0xc0000000);
+ nv_wr32(priv, GPC_UNIT(gpc, 0x2c90), 0x00000004);
+ stat &= ~0x00000004;
+ }
+
+ if (stat & 0x00000008) {
+ u32 trap = nv_rd32(priv, GPC_UNIT(gpc, 0x0824));
+ nv_error(priv, "GPC%d/ESETUP: 0x%08x\n", gpc, trap);
+ nv_wr32(priv, GPC_UNIT(gpc, 0x0824), 0xc0000000);
+ nv_wr32(priv, GPC_UNIT(gpc, 0x2c90), 0x00000008);
+ stat &= ~0x00000009;
+ }
+
+ for (tpc = 0; tpc < priv->tpc_nr[gpc]; tpc++) {
+ u32 mask = 0x00010000 << tpc;
+ if (stat & mask) {
+ nvc0_graph_trap_tpc(priv, gpc, tpc);
+ nv_wr32(priv, GPC_UNIT(gpc, 0x2c90), mask);
+ stat &= ~mask;
+ }
+ }
+
+ if (stat) {
+ nv_error(priv, "GPC%d/0x%08x: unknown\n", gpc, stat);
+ nv_wr32(priv, GPC_UNIT(gpc, 0x2c90), stat);
+ }
+}
+
+static void
+nvc0_graph_trap_intr(struct nvc0_graph_priv *priv)
+{
+ u32 trap = nv_rd32(priv, 0x400108);
+ int rop, gpc;
+
+ if (trap & 0x00000001) {
+ u32 stat = nv_rd32(priv, 0x404000);
+ nv_error(priv, "DISPATCH 0x%08x\n", stat);
+ nv_wr32(priv, 0x404000, 0xc0000000);
+ nv_wr32(priv, 0x400108, 0x00000001);
+ trap &= ~0x00000001;
+ }
+
+ if (trap & 0x00000002) {
+ u32 stat = nv_rd32(priv, 0x404600);
+ nv_error(priv, "M2MF 0x%08x\n", stat);
+ nv_wr32(priv, 0x404600, 0xc0000000);
+ nv_wr32(priv, 0x400108, 0x00000002);
+ trap &= ~0x00000002;
+ }
+
+ if (trap & 0x00000008) {
+ u32 stat = nv_rd32(priv, 0x408030);
+ nv_error(priv, "CCACHE 0x%08x\n", stat);
+ nv_wr32(priv, 0x408030, 0xc0000000);
+ nv_wr32(priv, 0x400108, 0x00000008);
+ trap &= ~0x00000008;
+ }
+
+ if (trap & 0x00000010) {
+ u32 stat = nv_rd32(priv, 0x405840);
+ nv_error(priv, "SHADER 0x%08x\n", stat);
+ nv_wr32(priv, 0x405840, 0xc0000000);
+ nv_wr32(priv, 0x400108, 0x00000010);
+ trap &= ~0x00000010;
+ }
+
+ if (trap & 0x00000040) {
+ u32 stat = nv_rd32(priv, 0x40601c);
+ nv_error(priv, "UNK6 0x%08x\n", stat);
+ nv_wr32(priv, 0x40601c, 0xc0000000);
+ nv_wr32(priv, 0x400108, 0x00000040);
+ trap &= ~0x00000040;
+ }
+
+ if (trap & 0x00000080) {
+ u32 stat = nv_rd32(priv, 0x404490);
+ nv_error(priv, "MACRO 0x%08x\n", stat);
+ nv_wr32(priv, 0x404490, 0xc0000000);
+ nv_wr32(priv, 0x400108, 0x00000080);
+ trap &= ~0x00000080;
+ }
+
+ if (trap & 0x01000000) {
+ u32 stat = nv_rd32(priv, 0x400118);
+ for (gpc = 0; stat && gpc < priv->gpc_nr; gpc++) {
+ u32 mask = 0x00000001 << gpc;
+ if (stat & mask) {
+ nvc0_graph_trap_gpc(priv, gpc);
+ nv_wr32(priv, 0x400118, mask);
+ stat &= ~mask;
+ }
+ }
+ nv_wr32(priv, 0x400108, 0x01000000);
+ trap &= ~0x01000000;
+ }
+
+ if (trap & 0x02000000) {
+ for (rop = 0; rop < priv->rop_nr; rop++) {
+ u32 statz = nv_rd32(priv, ROP_UNIT(rop, 0x070));
+ u32 statc = nv_rd32(priv, ROP_UNIT(rop, 0x144));
+ nv_error(priv, "ROP%d 0x%08x 0x%08x\n",
+ rop, statz, statc);
+ nv_wr32(priv, ROP_UNIT(rop, 0x070), 0xc0000000);
+ nv_wr32(priv, ROP_UNIT(rop, 0x144), 0xc0000000);
+ }
+ nv_wr32(priv, 0x400108, 0x02000000);
+ trap &= ~0x02000000;
+ }
+
+ if (trap) {
+ nv_error(priv, "TRAP UNHANDLED 0x%08x\n", trap);
+ nv_wr32(priv, 0x400108, trap);
+ }
+}
+
+static void
nvc0_graph_intr(struct nouveau_subdev *subdev)
{
struct nouveau_fifo *pfifo = nouveau_fifo(subdev);
@@ -276,10 +462,8 @@
}
if (stat & 0x00200000) {
- u32 trap = nv_rd32(priv, 0x400108);
- nv_error(priv, "TRAP ch %d [0x%010llx] status 0x%08x\n",
- chid, inst << 12, trap);
- nv_wr32(priv, 0x400108, trap);
+ nv_error(priv, "TRAP ch %d [0x%010llx]\n", chid, inst << 12);
+ nvc0_graph_trap_intr(priv);
nv_wr32(priv, 0x400100, 0x00200000);
stat &= ~0x00200000;
}