diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2012-09-07 00:26:38 (GMT) |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2012-10-03 03:13:10 (GMT) |
| commit | b3ccd34ded3e730bba33cd4bd4b7ab78b4a0bb03 (patch) | |
| tree | 506ef482aba05c95c93b556794790d65ebd2e874 | |
| parent | f73221e4aa766a58b784729968159013cc73459d (diff) | |
| download | linux-b3ccd34ded3e730bba33cd4bd4b7ab78b4a0bb03.tar.xz | |
drm/nvc0/fifo: re-bash PBUS regs after vm-fault to BARs/PEEPHOLE
Seems to be required to "re-arm" the engines after a vm fault.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c index 2dd6812..6f21be6 100644 --- a/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c @@ -389,12 +389,26 @@ static const struct nouveau_bitfield nvc0_fifo_subfifo_intr[] = { static void nvc0_fifo_isr_vm_fault(struct nvc0_fifo_priv *priv, int unit) { - u32 inst = nv_rd32(priv, 0x2800 + (unit * 0x10)); - u32 valo = nv_rd32(priv, 0x2804 + (unit * 0x10)); - u32 vahi = nv_rd32(priv, 0x2808 + (unit * 0x10)); - u32 stat = nv_rd32(priv, 0x280c + (unit * 0x10)); + u32 inst = nv_rd32(priv, 0x002800 + (unit * 0x10)); + u32 valo = nv_rd32(priv, 0x002804 + (unit * 0x10)); + u32 vahi = nv_rd32(priv, 0x002808 + (unit * 0x10)); + u32 stat = nv_rd32(priv, 0x00280c + (unit * 0x10)); u32 client = (stat & 0x00001f00) >> 8; + switch (unit) { + case 3: /* PEEPHOLE */ + nv_mask(priv, 0x001718, 0x00000000, 0x00000000); + break; + case 4: /* BAR1 */ + nv_mask(priv, 0x001704, 0x00000000, 0x00000000); + break; + case 5: /* BAR3 */ + nv_mask(priv, 0x001714, 0x00000000, 0x00000000); + break; + default: + break; + } + nv_error(priv, "%s fault at 0x%010llx [", (stat & 0x00000080) ? "write" : "read", (u64)vahi << 32 | valo); nouveau_enum_print(nvc0_fifo_fault_reason, stat & 0x0000000f); |