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drm/gk104-/fifo: handle copy engine class errors 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2014-09-26 15:33:24 +10:00
parent 9b4de93bc9
commit 70b2cc8e9a
1 changed files with 42 additions and 6 deletions
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48
drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c
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@ -792,7 +792,7 @@ nve0_fifo_intr_fault(struct nve0_fifo_priv *priv, int unit)
nouveau_engctx_put(engctx);
}
static const struct nouveau_bitfield nve0_fifo_pbdma_intr[] = {
static const struct nouveau_bitfield nve0_fifo_pbdma_intr_0[] = {
{ 0x00000001, "MEMREQ" },
{ 0x00000002, "MEMACK_TIMEOUT" },
{ 0x00000004, "MEMACK_EXTRA" },
@ -827,9 +827,10 @@ static const struct nouveau_bitfield nve0_fifo_pbdma_intr[] = {
};
static void
nve0_fifo_intr_pbdma(struct nve0_fifo_priv *priv, int unit)
nve0_fifo_intr_pbdma_0(struct nve0_fifo_priv *priv, int unit)
{
u32 stat = nv_rd32(priv, 0x040108 + (unit * 0x2000));
u32 mask = nv_rd32(priv, 0x04010c + (unit * 0x2000));
u32 stat = nv_rd32(priv, 0x040108 + (unit * 0x2000)) & mask;
u32 addr = nv_rd32(priv, 0x0400c0 + (unit * 0x2000));
u32 data = nv_rd32(priv, 0x0400c4 + (unit * 0x2000));
u32 chid = nv_rd32(priv, 0x040120 + (unit * 0x2000)) & 0xfff;
@ -840,11 +841,12 @@ nve0_fifo_intr_pbdma(struct nve0_fifo_priv *priv, int unit)
if (stat & 0x00800000) {
if (!nve0_fifo_swmthd(priv, chid, mthd, data))
show &= ~0x00800000;
nv_wr32(priv, 0x0400c0 + (unit * 0x2000), 0x80600008);
}
if (show) {
nv_error(priv, "PBDMA%d:", unit);
nouveau_bitfield_print(nve0_fifo_pbdma_intr, show);
nouveau_bitfield_print(nve0_fifo_pbdma_intr_0, show);
pr_cont("\n");
nv_error(priv,
"PBDMA%d: ch %d [%s] subc %d mthd 0x%04x data 0x%08x\n",
@ -853,10 +855,37 @@ nve0_fifo_intr_pbdma(struct nve0_fifo_priv *priv, int unit)
subc, mthd, data);
}
nv_wr32(priv, 0x0400c0 + (unit * 0x2000), 0x80600008);
nv_wr32(priv, 0x040108 + (unit * 0x2000), stat);
}
static const struct nouveau_bitfield nve0_fifo_pbdma_intr_1[] = {
{ 0x00000001, "HCE_RE_ILLEGAL_OP" },
{ 0x00000002, "HCE_RE_ALIGNB" },
{ 0x00000004, "HCE_PRIV" },
{ 0x00000008, "HCE_ILLEGAL_MTHD" },
{ 0x00000010, "HCE_ILLEGAL_CLASS" },
{}
};
static void
nve0_fifo_intr_pbdma_1(struct nve0_fifo_priv *priv, int unit)
{
u32 mask = nv_rd32(priv, 0x04014c + (unit * 0x2000));
u32 stat = nv_rd32(priv, 0x040148 + (unit * 0x2000)) & mask;
u32 chid = nv_rd32(priv, 0x040120 + (unit * 0x2000)) & 0xfff;
if (stat) {
nv_error(priv, "PBDMA%d:", unit);
nouveau_bitfield_print(nve0_fifo_pbdma_intr_1, stat);
pr_cont("\n");
nv_error(priv, "PBDMA%d: ch %d %08x %08x\n", unit, chid,
nv_rd32(priv, 0x040150 + (unit * 0x2000)),
nv_rd32(priv, 0x040154 + (unit * 0x2000)));
}
nv_wr32(priv, 0x040148 + (unit * 0x2000), stat);
}
static void
nve0_fifo_intr_runlist(struct nve0_fifo_priv *priv)
{
@ -939,7 +968,8 @@ nve0_fifo_intr(struct nouveau_subdev *subdev)
u32 mask = nv_rd32(priv, 0x0025a0);
while (mask) {
u32 unit = __ffs(mask);
nve0_fifo_intr_pbdma(priv, unit);
nve0_fifo_intr_pbdma_0(priv, unit);
nve0_fifo_intr_pbdma_1(priv, unit);
nv_wr32(priv, 0x0025a0, (1 << unit));
mask &= ~(1 << unit);
}
@ -1022,6 +1052,12 @@ nve0_fifo_init(struct nouveau_object *object)
nv_wr32(priv, 0x04010c + (i * 0x2000), 0xfffffeff); /* INTREN */
}
/* PBDMA[n].HCE */
for (i = 0; i < priv->spoon_nr; i++) {
nv_wr32(priv, 0x040148 + (i * 0x2000), 0xffffffff); /* INTR */
nv_wr32(priv, 0x04014c + (i * 0x2000), 0xffffffff); /* INTREN */
}
nv_wr32(priv, 0x002254, 0x10000000 | priv->user.bar.offset >> 12);
nv_wr32(priv, 0x002100, 0xffffffff);