drm/nve0/fifo: bind intr

Error code names from Android GK20A driver.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c
index e68368a37b8b0d6d9e66fe74464e8db7163fc8ba..a9a1a9c9f9f292648bf294eb358f0bc8ec232015 100644 (file)
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c
@@ -500,6 +500,32 @@ out:
        return ret;
 }
 
+static const struct nouveau_enum
+nve0_fifo_bind_reason[] = {
+       { 0x01, "BIND_NOT_UNBOUND" },
+       { 0x02, "SNOOP_WITHOUT_BAR1" },
+       { 0x03, "UNBIND_WHILE_RUNNING" },
+       { 0x05, "INVALID_RUNLIST" },
+       { 0x06, "INVALID_CTX_TGT" },
+       { 0x0b, "UNBIND_WHILE_PARKED" },
+       {}
+};
+
+static void
+nve0_fifo_intr_bind(struct nve0_fifo_priv *priv)
+{
+       u32 intr = nv_rd32(priv, 0x00252c);
+       u32 code = intr & 0x000000ff;
+       const struct nouveau_enum *en;
+       char enunk[6] = "";
+
+       en = nouveau_enum_find(nve0_fifo_bind_reason, code);
+       if (!en)
+               snprintf(enunk, sizeof(enunk), "UNK%02x", code);
+
+       nv_error(priv, "BIND_ERROR [ %s ]\n", en ? en->name : enunk);
+}
+
 static const struct nouveau_enum
 nve0_fifo_sched_reason[] = {
        { 0x0a, "CTXSW_TIMEOUT" },
@@ -844,8 +870,7 @@ nve0_fifo_intr(struct nouveau_subdev *subdev)
        u32 stat = nv_rd32(priv, 0x002100) & mask;
 
        if (stat & 0x00000001) {
-               u32 stat = nv_rd32(priv, 0x00252c);
-               nv_error(priv, "BIND_ERROR 0x%08x\n", stat);
+               nve0_fifo_intr_bind(priv);
                nv_wr32(priv, 0x002100, 0x00000001);
                stat &= ~0x00000001;
        }