From fec43a722abd3cec0cc730b4257771860706f8b7 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Mon, 13 May 2013 11:54:05 +1000 Subject: [PATCH] drm/nvc0/gr: port mp trap handling from calim's kepler code Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c | 44 ++++++++++++++++++++---- 1 file changed, 38 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c index f9b9d82..af40e65 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c @@ -237,6 +237,43 @@ nvc0_graph_ctxctl_isr(struct nvc0_graph_priv *priv) nv_wr32(priv, 0x409c20, ustat); } +static const struct nouveau_enum nvc0_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_bitfield nvc0_mp_global_error[] = { + { 0x00000004, "MULTIPLE_WARP_ERRORS" }, + { 0x00000008, "OUT_OF_STACK_SPACE" }, + {} +}; + +static void +nvc0_graph_trap_mp(struct nvc0_graph_priv *priv, int gpc, int tpc) +{ + u32 werr = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x648)); + u32 gerr = nv_rd32(priv, TPC_UNIT(gpc, tpc, 0x650)); + + nv_error(priv, "GPC%i/TPC%i/MP trap:", gpc, tpc); + nouveau_bitfield_print(nvc0_mp_global_error, gerr); + if (werr) { + pr_cont(" "); + nouveau_enum_print(nvc0_mp_warp_error, werr & 0xffff); + } + pr_cont("\n"); + + nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x648), 0x00000000); + nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x650), gerr); +} + static void nvc0_graph_trap_tpc(struct nvc0_graph_priv *priv, int gpc, int tpc) { @@ -251,12 +288,7 @@ nvc0_graph_trap_tpc(struct nvc0_graph_priv *priv, int gpc, int tpc) } 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); + nvc0_graph_trap_mp(priv, gpc, tpc); nv_wr32(priv, TPC_UNIT(gpc, tpc, 0x0508), 0x00000002); stat &= ~0x00000002; } -- 2.7.4