diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c | 331 |
1 files changed, 255 insertions, 76 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c index 70d3d41e616c..81a13cf9a292 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c @@ -715,6 +715,211 @@ gf100_gr_pack_mmio[] = { * PGRAPH engine/subdev functions ******************************************************************************/ +static u32 +gf100_gr_ctxsw_inst(struct nvkm_gr *gr) +{ + return nvkm_rd32(gr->engine.subdev.device, 0x409b00); +} + +static int +gf100_gr_fecs_ctrl_ctxsw(struct gf100_gr *gr, u32 mthd) +{ + struct nvkm_device *device = gr->base.engine.subdev.device; + + nvkm_wr32(device, 0x409804, 0xffffffff); + nvkm_wr32(device, 0x409840, 0xffffffff); + nvkm_wr32(device, 0x409500, 0xffffffff); + nvkm_wr32(device, 0x409504, mthd); + nvkm_msec(device, 2000, + u32 stat = nvkm_rd32(device, 0x409804); + if (stat == 0x00000002) + return -EIO; + if (stat == 0x00000001) + return 0; + ); + + return -ETIMEDOUT; +} + +int +gf100_gr_fecs_start_ctxsw(struct nvkm_gr *base) +{ + struct gf100_gr *gr = gf100_gr(base); + int ret = 0; + + mutex_lock(&gr->fecs.mutex); + if (!--gr->fecs.disable) { + if (WARN_ON(ret = gf100_gr_fecs_ctrl_ctxsw(gr, 0x39))) + gr->fecs.disable++; + } + mutex_unlock(&gr->fecs.mutex); + return ret; +} + +int +gf100_gr_fecs_stop_ctxsw(struct nvkm_gr *base) +{ + struct gf100_gr *gr = gf100_gr(base); + int ret = 0; + + mutex_lock(&gr->fecs.mutex); + if (!gr->fecs.disable++) { + if (WARN_ON(ret = gf100_gr_fecs_ctrl_ctxsw(gr, 0x38))) + gr->fecs.disable--; + } + mutex_unlock(&gr->fecs.mutex); + return ret; +} + +int +gf100_gr_fecs_bind_pointer(struct gf100_gr *gr, u32 inst) +{ + struct nvkm_device *device = gr->base.engine.subdev.device; + + nvkm_wr32(device, 0x409840, 0x00000030); + nvkm_wr32(device, 0x409500, inst); + nvkm_wr32(device, 0x409504, 0x00000003); + nvkm_msec(device, 2000, + u32 stat = nvkm_rd32(device, 0x409800); + if (stat & 0x00000020) + return -EIO; + if (stat & 0x00000010) + return 0; + ); + + return -ETIMEDOUT; +} + +static int +gf100_gr_fecs_set_reglist_virtual_address(struct gf100_gr *gr, u64 addr) +{ + struct nvkm_device *device = gr->base.engine.subdev.device; + + nvkm_wr32(device, 0x409810, addr >> 8); + nvkm_wr32(device, 0x409800, 0x00000000); + nvkm_wr32(device, 0x409500, 0x00000001); + nvkm_wr32(device, 0x409504, 0x00000032); + nvkm_msec(device, 2000, + if (nvkm_rd32(device, 0x409800) == 0x00000001) + return 0; + ); + + return -ETIMEDOUT; +} + +static int +gf100_gr_fecs_set_reglist_bind_instance(struct gf100_gr *gr, u32 inst) +{ + struct nvkm_device *device = gr->base.engine.subdev.device; + + nvkm_wr32(device, 0x409810, inst); + nvkm_wr32(device, 0x409800, 0x00000000); + nvkm_wr32(device, 0x409500, 0x00000001); + nvkm_wr32(device, 0x409504, 0x00000031); + nvkm_msec(device, 2000, + if (nvkm_rd32(device, 0x409800) == 0x00000001) + return 0; + ); + + return -ETIMEDOUT; +} + +static int +gf100_gr_fecs_discover_reglist_image_size(struct gf100_gr *gr, u32 *psize) +{ + struct nvkm_device *device = gr->base.engine.subdev.device; + + nvkm_wr32(device, 0x409800, 0x00000000); + nvkm_wr32(device, 0x409500, 0x00000001); + nvkm_wr32(device, 0x409504, 0x00000030); + nvkm_msec(device, 2000, + if ((*psize = nvkm_rd32(device, 0x409800))) + return 0; + ); + + return -ETIMEDOUT; +} + +static int +gf100_gr_fecs_elpg_bind(struct gf100_gr *gr) +{ + u32 size; + int ret; + + ret = gf100_gr_fecs_discover_reglist_image_size(gr, &size); + if (ret) + return ret; + + /*XXX: We need to allocate + map the above into PMU's inst block, + * which which means we probably need a proper PMU before we + * even bother. + */ + + ret = gf100_gr_fecs_set_reglist_bind_instance(gr, 0); + if (ret) + return ret; + + return gf100_gr_fecs_set_reglist_virtual_address(gr, 0); +} + +static int +gf100_gr_fecs_discover_pm_image_size(struct gf100_gr *gr, u32 *psize) +{ + struct nvkm_device *device = gr->base.engine.subdev.device; + + nvkm_wr32(device, 0x409840, 0xffffffff); + nvkm_wr32(device, 0x409500, 0x00000000); + nvkm_wr32(device, 0x409504, 0x00000025); + nvkm_msec(device, 2000, + if ((*psize = nvkm_rd32(device, 0x409800))) + return 0; + ); + + return -ETIMEDOUT; +} + +static int +gf100_gr_fecs_discover_zcull_image_size(struct gf100_gr *gr, u32 *psize) +{ + struct nvkm_device *device = gr->base.engine.subdev.device; + + nvkm_wr32(device, 0x409840, 0xffffffff); + nvkm_wr32(device, 0x409500, 0x00000000); + nvkm_wr32(device, 0x409504, 0x00000016); + nvkm_msec(device, 2000, + if ((*psize = nvkm_rd32(device, 0x409800))) + return 0; + ); + + return -ETIMEDOUT; +} + +static int +gf100_gr_fecs_discover_image_size(struct gf100_gr *gr, u32 *psize) +{ + struct nvkm_device *device = gr->base.engine.subdev.device; + + nvkm_wr32(device, 0x409840, 0xffffffff); + nvkm_wr32(device, 0x409500, 0x00000000); + nvkm_wr32(device, 0x409504, 0x00000010); + nvkm_msec(device, 2000, + if ((*psize = nvkm_rd32(device, 0x409800))) + return 0; + ); + + return -ETIMEDOUT; +} + +static void +gf100_gr_fecs_set_watchdog_timeout(struct gf100_gr *gr, u32 timeout) +{ + struct nvkm_device *device = gr->base.engine.subdev.device; + + nvkm_wr32(device, 0x409840, 0xffffffff); + nvkm_wr32(device, 0x409500, timeout); + nvkm_wr32(device, 0x409504, 0x00000021); +} + static bool gf100_gr_chsw_load(struct nvkm_gr *base) { @@ -1487,6 +1692,7 @@ gf100_gr_init_ctxctl_ext(struct gf100_gr *gr) struct nvkm_device *device = subdev->device; struct nvkm_secboot *sb = device->secboot; u32 secboot_mask = 0; + int ret; /* load fuc microcode */ nvkm_mc_unk260(device, 0); @@ -1495,12 +1701,12 @@ gf100_gr_init_ctxctl_ext(struct gf100_gr *gr) if (nvkm_secboot_is_managed(sb, NVKM_SECBOOT_FALCON_FECS)) secboot_mask |= BIT(NVKM_SECBOOT_FALCON_FECS); else - gf100_gr_init_fw(gr->fecs, &gr->fuc409c, &gr->fuc409d); + gf100_gr_init_fw(gr->fecs.falcon, &gr->fuc409c, &gr->fuc409d); if (nvkm_secboot_is_managed(sb, NVKM_SECBOOT_FALCON_GPCCS)) secboot_mask |= BIT(NVKM_SECBOOT_FALCON_GPCCS); else - gf100_gr_init_fw(gr->gpccs, &gr->fuc41ac, &gr->fuc41ad); + gf100_gr_init_fw(gr->gpccs.falcon, &gr->fuc41ac, &gr->fuc41ad); if (secboot_mask != 0) { int ret = nvkm_secboot_reset(sb, secboot_mask); @@ -1515,8 +1721,8 @@ gf100_gr_init_ctxctl_ext(struct gf100_gr *gr) nvkm_wr32(device, 0x41a10c, 0x00000000); nvkm_wr32(device, 0x40910c, 0x00000000); - nvkm_falcon_start(gr->gpccs); - nvkm_falcon_start(gr->fecs); + nvkm_falcon_start(gr->gpccs.falcon); + nvkm_falcon_start(gr->fecs.falcon); if (nvkm_msec(device, 2000, if (nvkm_rd32(device, 0x409800) & 0x00000001) @@ -1524,72 +1730,36 @@ gf100_gr_init_ctxctl_ext(struct gf100_gr *gr) ) < 0) return -EBUSY; - nvkm_wr32(device, 0x409840, 0xffffffff); - nvkm_wr32(device, 0x409500, 0x7fffffff); - nvkm_wr32(device, 0x409504, 0x00000021); + gf100_gr_fecs_set_watchdog_timeout(gr, 0x7fffffff); - nvkm_wr32(device, 0x409840, 0xffffffff); - nvkm_wr32(device, 0x409500, 0x00000000); - nvkm_wr32(device, 0x409504, 0x00000010); - if (nvkm_msec(device, 2000, - if ((gr->size = nvkm_rd32(device, 0x409800))) - break; - ) < 0) - return -EBUSY; - - nvkm_wr32(device, 0x409840, 0xffffffff); - nvkm_wr32(device, 0x409500, 0x00000000); - nvkm_wr32(device, 0x409504, 0x00000016); - if (nvkm_msec(device, 2000, - if (nvkm_rd32(device, 0x409800)) - break; - ) < 0) - return -EBUSY; + /* Determine how much memory is required to store main context image. */ + ret = gf100_gr_fecs_discover_image_size(gr, &gr->size); + if (ret) + return ret; - nvkm_wr32(device, 0x409840, 0xffffffff); - nvkm_wr32(device, 0x409500, 0x00000000); - nvkm_wr32(device, 0x409504, 0x00000025); - if (nvkm_msec(device, 2000, - if (nvkm_rd32(device, 0x409800)) - break; - ) < 0) - return -EBUSY; + /* Determine how much memory is required to store ZCULL image. */ + ret = gf100_gr_fecs_discover_zcull_image_size(gr, &gr->size_zcull); + if (ret) + return ret; - if (device->chipset >= 0xe0) { - nvkm_wr32(device, 0x409800, 0x00000000); - nvkm_wr32(device, 0x409500, 0x00000001); - nvkm_wr32(device, 0x409504, 0x00000030); - if (nvkm_msec(device, 2000, - if (nvkm_rd32(device, 0x409800)) - break; - ) < 0) - return -EBUSY; - - nvkm_wr32(device, 0x409810, 0xb00095c8); - nvkm_wr32(device, 0x409800, 0x00000000); - nvkm_wr32(device, 0x409500, 0x00000001); - nvkm_wr32(device, 0x409504, 0x00000031); - if (nvkm_msec(device, 2000, - if (nvkm_rd32(device, 0x409800)) - break; - ) < 0) - return -EBUSY; - - nvkm_wr32(device, 0x409810, 0x00080420); - nvkm_wr32(device, 0x409800, 0x00000000); - nvkm_wr32(device, 0x409500, 0x00000001); - nvkm_wr32(device, 0x409504, 0x00000032); - if (nvkm_msec(device, 2000, - if (nvkm_rd32(device, 0x409800)) - break; - ) < 0) - return -EBUSY; + /* Determine how much memory is required to store PerfMon image. */ + ret = gf100_gr_fecs_discover_pm_image_size(gr, &gr->size_pm); + if (ret) + return ret; - nvkm_wr32(device, 0x409614, 0x00000070); - nvkm_wr32(device, 0x409614, 0x00000770); - nvkm_wr32(device, 0x40802c, 0x00000001); + /*XXX: We (likely) require PMU support to even bother with this. + * + * Also, it seems like not all GPUs support ELPG. Traces I + * have here show RM enabling it on Kepler/Turing, but none + * of the GPUs between those. NVGPU decides this by PCIID. + */ + if (0) { + ret = gf100_gr_fecs_elpg_bind(gr); + if (ret) + return ret; } + /* Generate golden context image. */ if (gr->data == NULL) { int ret = gf100_grctx_generate(gr); if (ret) { @@ -1614,15 +1784,19 @@ gf100_gr_init_ctxctl_int(struct gf100_gr *gr) /* load HUB microcode */ nvkm_mc_unk260(device, 0); - nvkm_falcon_load_dmem(gr->fecs, gr->func->fecs.ucode->data.data, 0x0, + nvkm_falcon_load_dmem(gr->fecs.falcon, + gr->func->fecs.ucode->data.data, 0x0, gr->func->fecs.ucode->data.size, 0); - nvkm_falcon_load_imem(gr->fecs, gr->func->fecs.ucode->code.data, 0x0, + nvkm_falcon_load_imem(gr->fecs.falcon, + gr->func->fecs.ucode->code.data, 0x0, gr->func->fecs.ucode->code.size, 0, 0, false); /* load GPC microcode */ - nvkm_falcon_load_dmem(gr->gpccs, gr->func->gpccs.ucode->data.data, 0x0, + nvkm_falcon_load_dmem(gr->gpccs.falcon, + gr->func->gpccs.ucode->data.data, 0x0, gr->func->gpccs.ucode->data.size, 0); - nvkm_falcon_load_imem(gr->gpccs, gr->func->gpccs.ucode->code.data, 0x0, + nvkm_falcon_load_imem(gr->gpccs.falcon, + gr->func->gpccs.ucode->code.data, 0x0, gr->func->gpccs.ucode->code.size, 0, 0, false); nvkm_mc_unk260(device, 1); @@ -1769,11 +1943,13 @@ gf100_gr_oneinit(struct nvkm_gr *base) int i, j; int ret; - ret = nvkm_falcon_v1_new(subdev, "FECS", 0x409000, &gr->fecs); + ret = nvkm_falcon_v1_new(subdev, "FECS", 0x409000, &gr->fecs.falcon); if (ret) return ret; - ret = nvkm_falcon_v1_new(subdev, "GPCCS", 0x41a000, &gr->gpccs); + mutex_init(&gr->fecs.mutex); + + ret = nvkm_falcon_v1_new(subdev, "GPCCS", 0x41a000, &gr->gpccs.falcon); if (ret) return ret; @@ -1816,11 +1992,11 @@ gf100_gr_init_(struct nvkm_gr *base) nvkm_pmu_pgob(gr->base.engine.subdev.device->pmu, false); - ret = nvkm_falcon_get(gr->fecs, subdev); + ret = nvkm_falcon_get(gr->fecs.falcon, subdev); if (ret) return ret; - ret = nvkm_falcon_get(gr->gpccs, subdev); + ret = nvkm_falcon_get(gr->gpccs.falcon, subdev); if (ret) return ret; @@ -1832,8 +2008,8 @@ gf100_gr_fini_(struct nvkm_gr *base, bool suspend) { struct gf100_gr *gr = gf100_gr(base); struct nvkm_subdev *subdev = &gr->base.engine.subdev; - nvkm_falcon_put(gr->gpccs, subdev); - nvkm_falcon_put(gr->fecs, subdev); + nvkm_falcon_put(gr->gpccs.falcon, subdev); + nvkm_falcon_put(gr->fecs.falcon, subdev); return 0; } @@ -1859,8 +2035,8 @@ gf100_gr_dtor(struct nvkm_gr *base) gr->func->dtor(gr); kfree(gr->data); - nvkm_falcon_del(&gr->gpccs); - nvkm_falcon_del(&gr->fecs); + nvkm_falcon_del(&gr->gpccs.falcon); + nvkm_falcon_del(&gr->fecs.falcon); gf100_gr_dtor_fw(&gr->fuc409c); gf100_gr_dtor_fw(&gr->fuc409d); @@ -1886,6 +2062,9 @@ gf100_gr_ = { .chan_new = gf100_gr_chan_new, .object_get = gf100_gr_object_get, .chsw_load = gf100_gr_chsw_load, + .ctxsw.pause = gf100_gr_fecs_stop_ctxsw, + .ctxsw.resume = gf100_gr_fecs_start_ctxsw, + .ctxsw.inst = gf100_gr_ctxsw_inst, }; int |