diff options
Diffstat (limited to 'nvkm/subdev/pwr/memx.c')
| -rw-r--r-- | nvkm/subdev/pwr/memx.c | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/nvkm/subdev/pwr/memx.c b/nvkm/subdev/pwr/memx.c index 65eaa2546..f6ce39d59 100644 --- a/nvkm/subdev/pwr/memx.c +++ b/nvkm/subdev/pwr/memx.c @@ -47,7 +47,8 @@ nouveau_memx_init(struct nouveau_pwr *ppwr, struct nouveau_memx **pmemx) u32 reply[2]; int ret; - ret = ppwr->message(ppwr, reply, PROC_MEMX, MEMX_MSG_INFO, 0, 0); + ret = ppwr->message(ppwr, reply, PROC_MEMX, MEMX_MSG_INFO, + MEMX_INFO_DATA, 0); if (ret) return ret; @@ -152,6 +153,38 @@ nouveau_memx_wait_vblank(struct nouveau_memx *memx) } void +nouveau_memx_train(struct nouveau_memx *memx) +{ + nv_debug(memx->ppwr, " MEM TRAIN\n"); + memx_cmd(memx, MEMX_TRAIN, 0, NULL); +} + +int +nouveau_memx_train_result(struct nouveau_pwr *ppwr, u32 *res, int rsize) +{ + u32 reply[2], base, size, i; + int ret; + + ret = ppwr->message(ppwr, reply, PROC_MEMX, MEMX_MSG_INFO, + MEMX_INFO_TRAIN, 0); + if (ret) + return ret; + + base = reply[0]; + size = reply[1] >> 2; + if (size > rsize) + return -ENOMEM; + + /* read the packet */ + nv_wr32(ppwr, 0x10a1c0, 0x02000000 | base); + + for (i = 0; i < size; i++) + res[i] = nv_rd32(ppwr, 0x10a1c4); + + return 0; +} + +void nouveau_memx_block(struct nouveau_memx *memx) { nv_debug(memx->ppwr, " HOST BLOCKED\n"); |