[Nouveau] [PATCH 4/4] drm/nve0: add handling for a bunch of PGRAPH traps
Christoph Bumiller
e0425955 at student.tuwien.ac.at
Wed Mar 27 14:16:56 PDT 2013
---
drivers/gpu/drm/nouveau/core/engine/graph/nve0.c | 230 ++++++++++++++++++++++
1 files changed, 230 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nve0.c b/drivers/gpu/drm/nouveau/core/engine/graph/nve0.c
index 4b45afb..e411b18 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nve0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nve0.c
@@ -77,11 +77,214 @@ nve0_graph_ctxctl_isr(struct nvc0_graph_priv *priv)
nv_wr32(priv, 0x409c20, ustat);
}
+static const struct nouveau_enum nve0_mp_warp_error[] = {
+ { 0x00, "(no error)" },
+ { 0x01, "stack mismatch" },
+ { 0x05, "misaligned PC" },
+ { 0x08, "misaligned GPR" },
+ { 0x09, "invalid opcode" },
+ { 0x0d, "out of bounds GPR" },
+ { 0x0e, "out of bounds l/s/a[]" },
+ { 0x0f, "unaligned memory access" },
+ { 0x11, "invalid param" },
+ {}
+};
+
+static const struct nouveau_enum nve0_mp_global_error[] = {
+ { 2, "multiple warp errors" },
+ { 3, "out of stack space" },
+ {}
+};
+
+static const struct nouveau_enum nve0_gpc_rop_error[] = {
+ { 1, "RT pitch overrun" },
+ { 4, "RT width overrun" },
+ { 5, "RT height overrun" },
+ { 7, "ZETA storage type mismatch" },
+ { 8, "RT storage type mismatch" },
+ { 10, "RT linear mismatch" },
+ {}
+};
+
+static const struct nouveau_enum nve0_sked_error[] = {
+ { 7, "constant buffer size" },
+ { 9, "local memory size pos" },
+ { 10, "local memory size neg" },
+ { 11, "warp cstack size" },
+ { 12, "total temp size" },
+ { 13, "register count" },
+ { 18, "total threads" },
+ { 20, "program offset" },
+ { 21, "shared memory size" },
+ { 25, "shared/l1 config" },
+ { 26, "total register count" },
+ {}
+};
+
+static void
+nve0_graph_mp_trap(struct nvc0_graph_priv *priv, int gpc, int tp)
+{
+ int i;
+ u32 bpct = nv_rd32(priv, TPC_UNIT(gpc, tp, 0x010));
+ u32 bpst = nv_rd32(priv, TPC_UNIT(gpc, tp, 0x00c));
+ u32 werr = nv_rd32(priv, TPC_UNIT(gpc, tp, 0x648));
+ u32 gerr = nv_rd32(priv, TPC_UNIT(gpc, tp, 0x650));
+
+ nv_error(priv, "GPC%i/TP%i/MP trap:", gpc, tp);
+
+ for (i = 0; i <= 31; ++i) {
+ if (!(gerr & (1 << i)))
+ continue;
+ pr_cont(" <");
+ nouveau_enum_print(nve0_mp_global_error, i);
+ pr_cont(">");
+ }
+ if (werr) {
+ pr_cont(" <");
+ nouveau_enum_print(nve0_mp_warp_error, werr & 0xffff);
+ pr_cont(">");
+ }
+ pr_cont("\n");
+
+ nv_error(priv, "breakpoint control,status = %08x %08x\n", bpct, bpst);
+
+ /* disable MP trap to avoid spam */
+ nv_mask(priv, TPC_UNIT(gpc, tp, 0x50c), 0x2, 0x0);
+
+ /* TODO: figure out how to resume after an MP trap */
+}
+
+static void
+nve0_graph_tp_trap(struct nvc0_graph_priv *priv, int gpc, int tp)
+{
+ u32 stat = nv_rd32(priv, TPC_UNIT(gpc, tp, 0x508));
+
+ if (stat & 0x1) {
+ u32 trap = nv_rd32(priv, TPC_UNIT(gpc, tp, 0x224));
+ nv_error(priv, "GPC%i/TP%i/TEX trap: %08x\n",
+ gpc, tp, trap);
+
+ nv_wr32(priv, TPC_UNIT(gpc, tp, 0x224), 0xc0000000);
+ stat &= ~0x1;
+ }
+
+ if (stat & 0x2) {
+ nve0_graph_mp_trap(priv, gpc, tp);
+ stat &= ~0x2;
+ }
+
+ if (stat & 0x4) {
+ u32 trap = nv_rd32(priv, TPC_UNIT(gpc, tp, 0x084));
+ nv_error(priv, "GPC%i/TP%i/POLY trap: %08x\n",
+ gpc, tp, trap);
+
+ nv_wr32(priv, TPC_UNIT(gpc, tp, 0x084), 0xc0000000);
+ stat &= ~0x4;
+ }
+
+ if (stat & 0x8) {
+ u32 trap = nv_rd32(priv, TPC_UNIT(gpc, tp, 0x48c));
+ nv_error(priv, "GPC%i/TP%i/L1C trap: %08x\n",
+ gpc, tp, trap);
+
+ nv_wr32(priv, TPC_UNIT(gpc, tp, 0x48c), 0xc0000000);
+ stat &= ~0x8;
+ }
+
+ if (stat) {
+ nv_error(priv, "GPC%i/TP%i: unknown stat %08x\n",
+ gpc, tp, stat);
+ }
+}
+
+static void
+nve0_graph_gpc_trap(struct nvc0_graph_priv *priv)
+{
+ const u32 mask = nv_rd32(priv, 0x400118);
+ int gpc;
+
+ for (gpc = 0; gpc < 4; ++gpc) {
+ u32 stat;
+ int tp;
+
+ if (!(mask & (1 << gpc)))
+ continue;
+ stat = nv_rd32(priv, GPC_UNIT(gpc, 0x2c90));
+
+ if (stat & 0x0001) {
+ u32 trap[4];
+ int i;
+
+ trap[0] = nv_rd32(priv, GPC_UNIT(gpc, 0x0420));
+ trap[1] = nv_rd32(priv, GPC_UNIT(gpc, 0x0434));
+ trap[2] = nv_rd32(priv, GPC_UNIT(gpc, 0x0438));
+ trap[3] = nv_rd32(priv, GPC_UNIT(gpc, 0x043c));
+
+ nv_error(priv, "GPC%i/PROP trap:", gpc);
+ for (i = 0; i <= 29; ++i) {
+ if (!(trap[0] & (1 << i)))
+ continue;
+ pr_cont(" <");
+ nouveau_enum_print(nve0_gpc_rop_error, i);
+ pr_cont(">");
+ }
+ pr_cont("\n");
+
+ nv_error(priv, "x = %u, y = %u, "
+ "format = %x, storage type = %x\n",
+ trap[1] & 0xffff,
+ trap[1] >> 16,
+ (trap[2] >> 8) & 0x3f,
+ trap[3] & 0xff);
+
+ nv_wr32(priv, GPC_UNIT(gpc, 0x0420), 0xc0000000);
+ stat &= ~0x0001;
+ }
+
+ if (stat & 0x0002) {
+ u32 trap = nv_rd32(priv, GPC_UNIT(gpc, 0x0900));
+ nv_error(priv, "GPC%i/ZCULL trap: %08x\n", gpc,
+ trap);
+ nv_wr32(priv, GPC_UNIT(gpc, 0x0900), 0xc0000000);
+ stat &= ~0x0002;
+ }
+
+ if (stat & 0x0004) {
+ u32 trap = nv_rd32(priv, GPC_UNIT(gpc, 0x1028));
+ nv_error(priv, "GPC%i/CCACHE trap: %08x\n", gpc,
+ trap);
+ nv_wr32(priv, GPC_UNIT(gpc, 0x1028), 0xc0000000);
+ stat &= ~0x0004;
+ }
+
+ if (stat & 0x0008) {
+ u32 trap = nv_rd32(priv, GPC_UNIT(gpc, 0x0824));
+ nv_error(priv, "GPC%i/ESETUP trap %08x\n", gpc,
+ trap);
+ nv_wr32(priv, GPC_UNIT(gpc, 0x0824), 0xc0000000);
+ stat &= ~0x0008;
+ }
+
+ for (tp = 0; tp < 8; ++tp) {
+ if (stat & (1 << (16 + tp)))
+ nve0_graph_tp_trap(priv, gpc, tp);
+ }
+ stat &= ~0xff0000;
+
+ if (stat) {
+ nv_error(priv, "GPC%i: unknown stat %08x\n",
+ gpc, stat);
+ }
+ }
+}
+
+
static void
nve0_graph_trap_isr(struct nvc0_graph_priv *priv, int chid, u64 inst,
struct nouveau_object *engctx)
{
u32 trap = nv_rd32(priv, 0x400108);
+ int i;
int rop;
if (trap & 0x00000001) {
@@ -102,6 +305,33 @@ nve0_graph_trap_isr(struct nvc0_graph_priv *priv, int chid, u64 inst,
trap &= ~0x00000010;
}
+ if (trap & 0x00000100) {
+ u32 stat = nv_rd32(priv, 0x407020);
+ nv_error(priv, "SKED ch %d [0x%010llx %s]:",
+ chid, inst, nouveau_client_name(engctx));
+
+ for (i = 0; i <= 29; ++i) {
+ if (!(stat & (1 << i)))
+ continue;
+ pr_cont(" <");
+ nouveau_enum_print(nve0_sked_error, i);
+ pr_cont(">");
+ }
+ pr_cont("\n");
+
+ if (stat & 0x3fffffff)
+ nv_wr32(priv, 0x407020, 0x40000000);
+ nv_wr32(priv, 0x400108, 0x00000100);
+ trap &= ~0x00000100;
+ }
+
+ if (trap & 0x01000000) {
+ nv_error(priv, "GPC ch %d [0x%010llx %s]:\n",
+ chid, inst, nouveau_client_name(engctx));
+ nve0_graph_gpc_trap(priv);
+ trap &= ~0x01000000;
+ }
+
if (trap & 0x02000000) {
for (rop = 0; rop < priv->rop_nr; rop++) {
u32 statz = nv_rd32(priv, ROP_UNIT(rop, 0x070));
--
1.7.3.4
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