From: Ben Skeggs Date: Thu, 20 Aug 2015 04:54:16 +0000 (+1000) Subject: drm/nouveau/subdev: implement support for new-style nvkm_subdev X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=f0290215c44370ff5d55c01a13dc5a44a1f86efa;p=openwrt%2Fstaging%2Fblogic.git drm/nouveau/subdev: implement support for new-style nvkm_subdev Signed-off-by: Ben Skeggs --- diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/object.h b/drivers/gpu/drm/nouveau/include/nvkm/core/object.h index 84040a336036..3366ec59a64e 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/object.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/object.h @@ -106,13 +106,10 @@ struct nvkm_sclass { struct nvkm_object **); }; -/* Don't allocate dynamically, because lockdep needs lock_class_keys to be in - * ".data". */ struct nvkm_oclass { s32 handle; struct nvkm_ofuncs * const ofuncs; struct nvkm_omthds * const omthds; - struct lock_class_key lock_class_key; int (*ctor)(const struct nvkm_oclass *, void *data, u32 size, struct nvkm_object **); diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h b/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h index d3e08bf8d977..01f2f71e6112 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h @@ -7,17 +7,37 @@ struct nvkm_subdev { struct nvkm_object object; - + const struct nvkm_subdev_func *func; struct nvkm_device *device; + int index; + u32 pmc_enable; struct mutex mutex; - const char *name, *sname; u32 debug; + bool oneinit; + + void (*intr)(struct nvkm_subdev *); u32 unit; +}; +struct nvkm_subdev_func { + void *(*dtor)(struct nvkm_subdev *); + int (*preinit)(struct nvkm_subdev *); + int (*oneinit)(struct nvkm_subdev *); + int (*init)(struct nvkm_subdev *); + int (*fini)(struct nvkm_subdev *, bool suspend); void (*intr)(struct nvkm_subdev *); }; +extern const char *nvkm_subdev_name[64]; +void nvkm_subdev_ctor(const struct nvkm_subdev_func *, struct nvkm_device *, + int index, u32 pmc_enable, struct nvkm_subdev *); +void nvkm_subdev_del(struct nvkm_subdev **); +int nvkm_subdev_preinit(struct nvkm_subdev *); +int nvkm_subdev_init(struct nvkm_subdev *); +int nvkm_subdev_fini(struct nvkm_subdev *, bool suspend); +void nvkm_subdev_intr(struct nvkm_subdev *); + static inline struct nvkm_subdev * nv_subdev(void *obj) { @@ -55,8 +75,10 @@ int _nvkm_subdev_fini(struct nvkm_object *, bool suspend); /* subdev logging */ #define nvkm_printk_(s,l,p,f,a...) do { \ struct nvkm_subdev *_subdev = (s); \ - if (_subdev->debug >= (l)) \ - dev_##p(_subdev->device->dev, "%s: "f, _subdev->sname, ##a); \ + if (_subdev->debug >= (l)) { \ + dev_##p(_subdev->device->dev, "%s: "f, \ + nvkm_subdev_name[_subdev->index], ##a); \ + } \ } while(0) #define nvkm_printk(s,l,p,f,a...) nvkm_printk_((s), NV_DBG_##l, p, f, ##a) #define nvkm_fatal(s,f,a...) nvkm_printk((s), FATAL, crit, f, ##a) diff --git a/drivers/gpu/drm/nouveau/nvkm/core/engctx.c b/drivers/gpu/drm/nouveau/nvkm/core/engctx.c index fc2a2cb0a617..c9c578749338 100644 --- a/drivers/gpu/drm/nouveau/nvkm/core/engctx.c +++ b/drivers/gpu/drm/nouveau/nvkm/core/engctx.c @@ -144,11 +144,11 @@ nvkm_engctx_init(struct nvkm_engctx *engctx) if (ret) { nvkm_error(pardev, "failed to attach %s context, %d\n", - subdev->name, ret); + nvkm_subdev_name[subdev->index], ret); return ret; } - nvkm_trace(pardev, "attached %s context\n", subdev->name); + nvkm_trace(pardev, "attached %s context\n", nvkm_subdev_name[subdev->index]); return 0; } @@ -171,11 +171,11 @@ nvkm_engctx_fini(struct nvkm_engctx *engctx, bool suspend) if (ret) { nvkm_error(pardev, "failed to detach %s context, %d\n", - subdev->name, ret); + nvkm_subdev_name[subdev->index], ret); return ret; } - nvkm_trace(pardev, "detached %s context\n", subdev->name); + nvkm_trace(pardev, "detached %s context\n", nvkm_subdev_name[subdev->index]); return nvkm_gpuobj_fini(&engctx->gpuobj, suspend); } diff --git a/drivers/gpu/drm/nouveau/nvkm/core/subdev.c b/drivers/gpu/drm/nouveau/nvkm/core/subdev.c index 9e9e0cadaefc..5af13d8be2f5 100644 --- a/drivers/gpu/drm/nouveau/nvkm/core/subdev.c +++ b/drivers/gpu/drm/nouveau/nvkm/core/subdev.c @@ -25,6 +25,186 @@ #include #include +static struct lock_class_key nvkm_subdev_lock_class[NVDEV_SUBDEV_NR]; + +const char * +nvkm_subdev_name[64] = { + [NVDEV_SUBDEV_BAR ] = "bar", + [NVDEV_SUBDEV_VBIOS ] = "bios", + [NVDEV_SUBDEV_BUS ] = "bus", + [NVDEV_SUBDEV_CLK ] = "clk", + [NVDEV_SUBDEV_DEVINIT] = "devinit", + [NVDEV_SUBDEV_FB ] = "fb", + [NVDEV_SUBDEV_FUSE ] = "fuse", + [NVDEV_SUBDEV_GPIO ] = "gpio", + [NVDEV_SUBDEV_I2C ] = "i2c", + [NVDEV_SUBDEV_IBUS ] = "priv", + [NVDEV_SUBDEV_INSTMEM] = "imem", + [NVDEV_SUBDEV_LTC ] = "ltc", + [NVDEV_SUBDEV_MC ] = "mc", + [NVDEV_SUBDEV_MMU ] = "mmu", + [NVDEV_SUBDEV_MXM ] = "mxm", + [NVDEV_SUBDEV_PMU ] = "pmu", + [NVDEV_SUBDEV_THERM ] = "therm", + [NVDEV_SUBDEV_TIMER ] = "tmr", + [NVDEV_SUBDEV_VOLT ] = "volt", + [NVDEV_ENGINE_BSP ] = "bsp", + [NVDEV_ENGINE_CE0 ] = "ce0", + [NVDEV_ENGINE_CE1 ] = "ce1", + [NVDEV_ENGINE_CE2 ] = "ce2", + [NVDEV_ENGINE_CIPHER ] = "cipher", + [NVDEV_ENGINE_DISP ] = "disp", + [NVDEV_ENGINE_DMAOBJ ] = "dma", + [NVDEV_ENGINE_FIFO ] = "fifo", + [NVDEV_ENGINE_GR ] = "gr", + [NVDEV_ENGINE_IFB ] = "ifb", + [NVDEV_ENGINE_ME ] = "me", + [NVDEV_ENGINE_MPEG ] = "mpeg", + [NVDEV_ENGINE_MSENC ] = "msenc", + [NVDEV_ENGINE_MSPDEC ] = "mspdec", + [NVDEV_ENGINE_MSPPP ] = "msppp", + [NVDEV_ENGINE_MSVLD ] = "msvld", + [NVDEV_ENGINE_PM ] = "pm", + [NVDEV_ENGINE_SEC ] = "sec", + [NVDEV_ENGINE_SW ] = "sw", + [NVDEV_ENGINE_VIC ] = "vic", + [NVDEV_ENGINE_VP ] = "vp", +}; + +void +nvkm_subdev_intr(struct nvkm_subdev *subdev) +{ + if (subdev->func->intr) + subdev->func->intr(subdev); +} + +int +nvkm_subdev_fini(struct nvkm_subdev *subdev, bool suspend) +{ + struct nvkm_device *device = subdev->device; + const char *action = suspend ? "suspend" : "fini"; + u32 pmc_enable = subdev->pmc_enable; + s64 time; + + nvkm_trace(subdev, "%s running...\n", action); + time = ktime_to_us(ktime_get()); + + if (subdev->func->fini) { + int ret = subdev->func->fini(subdev, suspend); + if (ret) { + nvkm_error(subdev, "%s failed, %d\n", action, ret); + if (suspend) + return ret; + } + } + + if (pmc_enable) { + nvkm_mask(device, 0x000200, pmc_enable, 0x00000000); + nvkm_mask(device, 0x000200, pmc_enable, pmc_enable); + nvkm_rd32(device, 0x000200); + } + + time = ktime_to_us(ktime_get()) - time; + nvkm_trace(subdev, "%s completed in %lldus\n", action, time); + return 0; +} + +int +nvkm_subdev_preinit(struct nvkm_subdev *subdev) +{ + s64 time; + + nvkm_trace(subdev, "preinit running...\n"); + time = ktime_to_us(ktime_get()); + + if (subdev->func->preinit) { + int ret = subdev->func->preinit(subdev); + if (ret) { + nvkm_error(subdev, "preinit failed, %d\n", ret); + return ret; + } + } + + time = ktime_to_us(ktime_get()) - time; + nvkm_trace(subdev, "preinit completed in %lldus\n", time); + return 0; +} + +int +nvkm_subdev_init(struct nvkm_subdev *subdev) +{ + s64 time; + int ret; + + nvkm_trace(subdev, "init running...\n"); + time = ktime_to_us(ktime_get()); + + if (subdev->func->oneinit && !subdev->oneinit) { + s64 time; + nvkm_trace(subdev, "one-time init running...\n"); + time = ktime_to_us(ktime_get()); + ret = subdev->func->oneinit(subdev); + if (ret) { + nvkm_error(subdev, "one-time init failed, %d\n", ret); + return ret; + } + + subdev->oneinit = true; + time = ktime_to_us(ktime_get()) - time; + nvkm_trace(subdev, "one-time init completed in %lldus\n", time); + } + + if (subdev->func->init) { + ret = subdev->func->init(subdev); + if (ret) { + nvkm_error(subdev, "init failed, %d\n", ret); + return ret; + } + } + + time = ktime_to_us(ktime_get()) - time; + nvkm_trace(subdev, "init completed in %lldus\n", time); + return 0; +} + +void +nvkm_subdev_del(struct nvkm_subdev **psubdev) +{ + struct nvkm_subdev *subdev = *psubdev; + s64 time; + if (subdev && !WARN_ON(!subdev->func)) { + nvkm_trace(subdev, "destroy running...\n"); + time = ktime_to_us(ktime_get()); + if (subdev->func->dtor) + *psubdev = subdev->func->dtor(subdev); + time = ktime_to_us(ktime_get()) - time; + nvkm_trace(subdev, "destroy completed in %lldus\n", time); + kfree(*psubdev); + *psubdev = NULL; + } +} + +static const struct nvkm_object_func +nvkm_subdev_func = { +}; + +void +nvkm_subdev_ctor(const struct nvkm_subdev_func *func, + struct nvkm_device *device, int index, u32 pmc_enable, + struct nvkm_subdev *subdev) +{ + const char *name = nvkm_subdev_name[index]; + struct nvkm_oclass hack = {}; + nvkm_object_ctor(&nvkm_subdev_func, &hack, &subdev->object); + subdev->func = func; + subdev->device = device; + subdev->index = index; + subdev->pmc_enable = pmc_enable; + + __mutex_init(&subdev->mutex, name, &nvkm_subdev_lock_class[index]); + subdev->debug = nvkm_dbgopt(device->dbgopt, name); +} + struct nvkm_subdev * nvkm_subdev(void *obj, int idx) { @@ -103,6 +283,8 @@ nvkm_subdev_create_(struct nvkm_object *parent, struct nvkm_object *engine, const char *subname, const char *sysname, int size, void **pobject) { + const int subidx = oclass->handle & 0xff; + const char *name = nvkm_subdev_name[subidx]; struct nvkm_subdev *subdev; int ret; @@ -112,13 +294,12 @@ nvkm_subdev_create_(struct nvkm_object *parent, struct nvkm_object *engine, if (ret) return ret; - __mutex_init(&subdev->mutex, subname, &oclass->lock_class_key); - subdev->name = subname; - subdev->sname = sysname; + __mutex_init(&subdev->mutex, name, &nvkm_subdev_lock_class[subidx]); + subdev->index = subidx; if (parent) { struct nvkm_device *device = nv_device(parent); - subdev->debug = nvkm_dbgopt(device->dbgopt, subname); + subdev->debug = nvkm_dbgopt(device->dbgopt, name); subdev->device = device; } else { subdev->device = nv_device(subdev); diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c index dd7fe30edf46..975a2547b8cd 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c @@ -471,7 +471,7 @@ gf100_fifo_recover(struct gf100_fifo *fifo, struct nvkm_engine *engine, unsigned long flags; nvkm_error(subdev, "%s engine fault on channel %d, recovering...\n", - engine->subdev.name, chid); + nvkm_subdev_name[engine->subdev.index], chid); nvkm_mask(device, 0x003004 + (chid * 0x08), 0x00000001, 0x00000000); chan->state = KILLED; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c index 9d75dbaa01c0..216205cdf115 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c @@ -517,7 +517,7 @@ gk104_fifo_recover(struct gk104_fifo *fifo, struct nvkm_engine *engine, unsigned long flags; nvkm_error(subdev, "%s engine fault on channel %d, recovering...\n", - nv_subdev(engine)->name, chid); + nvkm_subdev_name[nv_subdev(engine)->index], chid); nvkm_mask(device, 0x800004 + (chid * 0x08), 0x00000800, 0x00000800); chan->state = KILLED;