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authorMarcin Slusarz <marcin.slusarz@gmail.com>2012-11-11 19:52:59 +0100
committerBen Skeggs <bskeggs@redhat.com>2012-11-29 09:56:35 +1000
commitd432a2db7df5d089bb022d8cbb30f6d6dc785039 (patch)
treeeb7ce4478a4b1e780942b055a71bc34d818155e0
parentdrm/nouveau/clk: fix crystal frequency retrieval on nv25 (diff)
downloadlinux-dev-d432a2db7df5d089bb022d8cbb30f6d6dc785039.tar.xz
linux-dev-d432a2db7df5d089bb022d8cbb30f6d6dc785039.zip
drm/nv50: decode PGRAPH status registers on TLB flush fail
SIgned-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/graph/nv50.c76
1 files changed, 72 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 ab3b9dcaf478..0d67e86a8a5d 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c
@@ -184,6 +184,65 @@ 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(struct nv50_graph_priv *priv, int r,
+ const char *const units[], u32 status)
+{
+ int i;
+
+ nv_error(priv, "PGRAPH_VSTATUS%d: 0x%08x", r, status);
+
+ for (i = 0; units[i] && status; i++) {
+ if ((status & 7) == 1)
+ pr_cont(" %s", units[i]);
+ status >>= 3;
+ }
+ if (status)
+ pr_cont(" (invalid: 0x%x)", status);
+ pr_cont("\n");
+}
+
static int
nv84_graph_tlb_flush(struct nouveau_engine *engine)
{
@@ -219,10 +278,19 @@ 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");
+
+ tmp = nv_rd32(priv, 0x400700);
+ nv_error(priv, "PGRAPH_STATUS : 0x%08x", tmp);
+ nouveau_bitfield_print(nv50_pgraph_status, tmp);
+ pr_cont("\n");
+
+ nouveau_pgraph_vstatus_print(priv, 0, nv50_pgraph_vstatus_0,
+ nv_rd32(priv, 0x400380));
+ nouveau_pgraph_vstatus_print(priv, 1, nv50_pgraph_vstatus_1,
+ nv_rd32(priv, 0x400384));
+ nouveau_pgraph_vstatus_print(priv, 2, nv50_pgraph_vstatus_2,
+ nv_rd32(priv, 0x400388));
}
nv50_vm_flush_engine(&engine->base, 0x00);