On Mon, Aug 20, 2012 at 07:02:46PM +0200, Marcin Slusarz wrote: > On Mon, Aug 20, 2012 at 04:27:18PM +1000, Ben Skeggs wrote: > > On Sun, Aug 19, 2012 at 10:59:56PM +0200, Marcin Slusarz wrote: > > > Now it outputs: > > > nouveau E[ PGRAPH][0000:02:00.0] PGRAPH TLB flush idle timeout fail > > > nouveau E[ PGRAPH][0000:02:00.0] PGRAPH_STATUS: BUSY DISPATCH VFETCH > > > CCACHE_UNK4 STRMOUT_GSCHED_UNK5 UNK14XX UNK1CXX CLIPID ZCULL ENG2D > > > UNK34XX TPRAST TPROP ROP (0x011fde03) > > > nouveau E[ PGRAPH][0000:02:00.0] PGRAPH_VSTATUS_0: CCACHE (0x00145b4d) > > > nouveau E[ PGRAPH][0000:02:00.0] PGRAPH_VSTATUS_1: (0x0000002d) > > > nouveau E[ PGRAPH][0000:02:00.0] PGRAPH_VSTATUS_2: ENG2D ROP (0x0034db40) > > > > > > instead of: > > > [drm] nouveau 0000:02:00.0: PGRAPH TLB flush idle timeout fail: > > > 0x011fde03 0x00145b4d 0x0000002d 0x0034db40 > > > > I didn't push these first few patches yet as I have a couple of thoughts on > > it. > > > > Mostly I was thinking we should probably have a: > > > > nv_printf(obj, lvl, fmt, args...) > > > > to replace the printk's which just does a continued print while still > > obeying > > the debug level? > > Well, this patch does not use nv_printk_enabled, so these concerns should > not apply to it, right? I'll fix up bitfield list and resend it.
--- From: Marcin Slusarz <[email protected]> Subject: [PATCH] drm/nv50: decode PGRAPH status registers on TLB flush fail Now it outputs: nouveau E[ PGRAPH][0000:02:00.0] PGRAPH TLB flush idle timeout fail nouveau E[ PGRAPH][0000:02:00.0] PGRAPH_STATUS: BUSY DISPATCH VFETCH CCACHE_UNK4 STRMOUT_GSCHED_UNK5 UNK14XX UNK1CXX CLIPID ZCULL ENG2D UNK34XX TPRAST TPROP ROP (0x011fde03) nouveau E[ PGRAPH][0000:02:00.0] PGRAPH_VSTATUS_0: CCACHE (0x00145b4d) nouveau E[ PGRAPH][0000:02:00.0] PGRAPH_VSTATUS_1: (0x0000002d) nouveau E[ PGRAPH][0000:02:00.0] PGRAPH_VSTATUS_2: ENG2D ROP (0x0034db40) instead of: [drm] nouveau 0000:02:00.0: PGRAPH TLB flush idle timeout fail: 0x011fde03 0x00145b4d 0x0000002d 0x0034db40 Based on envytools docs. Signed-off-by: Marcin Slusarz <[email protected]> --- drivers/gpu/drm/nouveau/core/engine/graph/nv50.c | 78 ++++++++++++++++++++- 1 files changed, 74 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c b/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c index c93b525..3789bd2 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c @@ -184,6 +184,62 @@ nv50_graph_tlb_flush(struct nouveau_engine *engine) return 0; } +static const struct nouveau_bitfield nv50_pgraph_status[] = { + { 0x00000001, "BUSY" }, /* set when any bit is set */ + { 0x00000002, "DISPATCH" }, + { 0x00000004, "UNK2" }, + { 0x00000008, "UNK3" }, + { 0x00000010, "UNK4" }, + { 0x00000020, "UNK5" }, + { 0x00000040, "M2MF" }, + { 0x00000080, "UNK7" }, + { 0x00000100, "CTXPROG" }, + { 0x00000200, "VFETCH" }, + { 0x00000400, "CCACHE_UNK4" }, + { 0x00000800, "STRMOUT_GSCHED_UNK5" }, + { 0x00001000, "UNK14XX" }, + { 0x00002000, "UNK24XX_CSCHED" }, + { 0x00004000, "UNK1CXX" }, + { 0x00008000, "CLIPID" }, + { 0x00010000, "ZCULL" }, + { 0x00020000, "ENG2D" }, + { 0x00040000, "UNK34XX" }, + { 0x00080000, "TPRAST" }, + { 0x00100000, "TPROP" }, + { 0x00200000, "TEX" }, + { 0x00400000, "TPVP" }, + { 0x00800000, "MP" }, + { 0x01000000, "ROP" }, + {} +}; + +static const char *const nv50_pgraph_vstatus_0[] = { + "VFETCH", "CCACHE", "UNK4", "UNK5", "GSCHED", "STRMOUT", "UNK14XX", NULL +}; + +static const char *const nv50_pgraph_vstatus_1[] = { + "TPRAST", "TPROP", "TEXTURE", "TPVP", "MP", NULL +}; + +static const char *const nv50_pgraph_vstatus_2[] = { + "UNK24XX", "CSCHED", "UNK1CXX", "CLIPID", "ZCULL", "ENG2D", "UNK34XX", + "ROP", NULL +}; + +static void nouveau_pgraph_vstatus_print(const char *const units[], u32 status) +{ + int i; + u32 tmp = status; + for (i = 0; units[i] && tmp; i++) { + if ((tmp & 7) == 1) + pr_cont("%s ", units[i]); + tmp >>= 3; + } + if (tmp) + pr_cont("invalid: %x ", tmp); + pr_cont("(0x%08x)\n", status); +} + static int nv84_graph_tlb_flush(struct nouveau_engine *engine) { @@ -219,10 +275,24 @@ nv84_graph_tlb_flush(struct nouveau_engine *engine) !(timeout = ptimer->read(ptimer) - start > 2000000000)); if (timeout) { - nv_error(priv, "PGRAPH TLB flush idle timeout fail: " - "0x%08x 0x%08x 0x%08x 0x%08x\n", - nv_rd32(priv, 0x400700), nv_rd32(priv, 0x400380), - nv_rd32(priv, 0x400384), nv_rd32(priv, 0x400388)); + nv_error(priv, "PGRAPH TLB flush idle timeout fail\n"); + + nv_error(priv, "PGRAPH_STATUS: "); + tmp = nv_rd32(priv, 0x400700); + nouveau_bitfield_print(nv50_pgraph_status, tmp); + pr_cont(" (0x%08x)\n", tmp); + + nv_error(priv, "PGRAPH_VSTATUS_0: "); + nouveau_pgraph_vstatus_print(nv50_pgraph_vstatus_0, + nv_rd32(priv, 0x400380)); + + nv_error(priv, "PGRAPH_VSTATUS_1: "); + nouveau_pgraph_vstatus_print(nv50_pgraph_vstatus_1, + nv_rd32(priv, 0x400384)); + + nv_error(priv, "PGRAPH_VSTATUS_2: "); + nouveau_pgraph_vstatus_print(nv50_pgraph_vstatus_2, + nv_rd32(priv, 0x400388)); } nv50_vm_flush_engine(&engine->base, 0x00); -- 1.7.8.6 _______________________________________________ Nouveau mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/nouveau
