diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c | 59 |
1 files changed, 41 insertions, 18 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c index 148706977eec..2ed04da3621d 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c @@ -62,16 +62,6 @@ gm20b_pmu_acr_bootstrap_falcon(struct nvkm_falcon *falcon, return ret; } -int -gm20b_pmu_acr_boot(struct nvkm_falcon *falcon) -{ - struct nv_pmu_args args = { .secure_mode = true }; - const u32 addr_args = falcon->data.limit - sizeof(struct nv_pmu_args); - nvkm_falcon_load_dmem(falcon, &args, addr_args, sizeof(args), 0); - nvkm_falcon_start(falcon); - return 0; -} - void gm20b_pmu_acr_bld_patch(struct nvkm_acr *acr, u32 bld, s64 adjust) { @@ -125,7 +115,6 @@ gm20b_pmu_acr = { .bld_size = sizeof(struct loader_config), .bld_write = gm20b_pmu_acr_bld_write, .bld_patch = gm20b_pmu_acr_bld_patch, - .boot = gm20b_pmu_acr_boot, .bootstrap_falcons = BIT_ULL(NVKM_ACR_LSF_PMU) | BIT_ULL(NVKM_ACR_LSF_FECS) | BIT_ULL(NVKM_ACR_LSF_GPCCS), @@ -166,7 +155,7 @@ gm20b_pmu_acr_init_wpr(struct nvkm_pmu *pmu) gm20b_pmu_acr_init_wpr_callback, pmu, 0); } -int +static int gm20b_pmu_initmsg(struct nvkm_pmu *pmu) { struct nv_pmu_init_msg msg; @@ -192,14 +181,13 @@ gm20b_pmu_initmsg(struct nvkm_pmu *pmu) return gm20b_pmu_acr_init_wpr(pmu); } -void +static void gm20b_pmu_recv(struct nvkm_pmu *pmu) { if (!pmu->initmsg_received) { int ret = pmu->func->initmsg(pmu); if (ret) { - nvkm_error(&pmu->subdev, - "error parsing init message: %d\n", ret); + nvkm_error(&pmu->subdev, "error parsing init message: %d\n", ret); return; } @@ -209,13 +197,48 @@ gm20b_pmu_recv(struct nvkm_pmu *pmu) nvkm_falcon_msgq_recv(pmu->msgq); } -static const struct nvkm_pmu_func +static void +gm20b_pmu_fini(struct nvkm_pmu *pmu) +{ + /*TODO: shutdown RTOS. */ + + flush_work(&pmu->recv.work); + nvkm_falcon_cmdq_fini(pmu->lpq); + nvkm_falcon_cmdq_fini(pmu->hpq); + + reinit_completion(&pmu->wpr_ready); + + nvkm_falcon_put(&pmu->falcon, &pmu->subdev); +} + +static int +gm20b_pmu_init(struct nvkm_pmu *pmu) +{ + struct nvkm_falcon *falcon = &pmu->falcon; + struct nv_pmu_args args = { .secure_mode = true }; + u32 addr_args = falcon->data.limit - sizeof(args); + int ret; + + ret = nvkm_falcon_get(&pmu->falcon, &pmu->subdev); + if (ret) + return ret; + + pmu->initmsg_received = false; + + nvkm_falcon_pio_wr(falcon, (u8 *)&args, 0, 0, DMEM, addr_args, sizeof(args), 0, false); + nvkm_falcon_start(falcon); + return 0; +} + +const struct nvkm_pmu_func gm20b_pmu = { - .flcn = >215_pmu_flcn, - .enabled = gf100_pmu_enabled, + .flcn = &gm200_pmu_flcn, + .init = gm20b_pmu_init, + .fini = gm20b_pmu_fini, .intr = gt215_pmu_intr, .recv = gm20b_pmu_recv, .initmsg = gm20b_pmu_initmsg, + .reset = gf100_pmu_reset, }; #if IS_ENABLED(CONFIG_ARCH_TEGRA_210_SOC) |