drm/nve0/gr: add handling for a bunch of PGRAPH traps (bf3d8165) · Commits · github.com / kvm-riscv / linux

drivers/gpu/drm/nouveau/core/engine/graph/nve0.c

+222 −0

Original line number	Diff line number	Diff line
		@@ -77,11 +77,207 @@ 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, "GPR_OUT_OF_BOUNDS" },
		{ 0x0e, "MEM_OUT_OF_BOUNDS" },
		{ 0x0f, "UNALIGNED_MEM_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_CONFIG_TOO_SMALL" },
		{ 26, "TOTAL_REGISTER_COUNT" },
		{}
		};

		static void
		nve0_graph_mp_trap(struct nvc0_graph_priv *priv, int gpc, int tp)
		{
		int i;
		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);
		}
		if (werr) {
		pr_cont(" ");
		nouveau_enum_print(nve0_mp_warp_error, werr & 0xffff);
		}
		pr_cont("\n");

		/* 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("\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 +298,32 @@ 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("\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));