From 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Tue, 15 Dec 2015 14:52:16 -0300 Subject: Linux-libre 4.3.2-gnu --- drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk20a.c | 149 ++++++++++++------------ 1 file changed, 73 insertions(+), 76 deletions(-) (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk20a.c') diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk20a.c index 594f746e6..6689d0290 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk20a.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk20a.c @@ -19,6 +19,7 @@ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ +#define gk20a_pmu(p) container_of((p), struct gk20a_pmu, base.subdev) #include "priv.h" #include @@ -35,7 +36,7 @@ struct gk20a_pmu_dvfs_data { unsigned int avg_load; }; -struct gk20a_pmu_priv { +struct gk20a_pmu { struct nvkm_pmu base; struct nvkm_alarm alarm; struct gk20a_pmu_dvfs_data *data; @@ -48,28 +49,28 @@ struct gk20a_pmu_dvfs_dev_status { }; static int -gk20a_pmu_dvfs_target(struct gk20a_pmu_priv *priv, int *state) +gk20a_pmu_dvfs_target(struct gk20a_pmu *pmu, int *state) { - struct nvkm_clk *clk = nvkm_clk(priv); + struct nvkm_clk *clk = pmu->base.subdev.device->clk; return nvkm_clk_astate(clk, *state, 0, false); } static int -gk20a_pmu_dvfs_get_cur_state(struct gk20a_pmu_priv *priv, int *state) +gk20a_pmu_dvfs_get_cur_state(struct gk20a_pmu *pmu, int *state) { - struct nvkm_clk *clk = nvkm_clk(priv); + struct nvkm_clk *clk = pmu->base.subdev.device->clk; *state = clk->pstate; return 0; } static int -gk20a_pmu_dvfs_get_target_state(struct gk20a_pmu_priv *priv, +gk20a_pmu_dvfs_get_target_state(struct gk20a_pmu *pmu, int *state, int load) { - struct gk20a_pmu_dvfs_data *data = priv->data; - struct nvkm_clk *clk = nvkm_clk(priv); + struct gk20a_pmu_dvfs_data *data = pmu->data; + struct nvkm_clk *clk = pmu->base.subdev.device->clk; int cur_level, level; /* For GK20A, the performance level is directly mapped to pstate */ @@ -84,7 +85,8 @@ gk20a_pmu_dvfs_get_target_state(struct gk20a_pmu_priv *priv, level = min(clk->state_nr - 1, level); } - nv_trace(priv, "cur level = %d, new level = %d\n", cur_level, level); + nvkm_trace(&pmu->base.subdev, "cur level = %d, new level = %d\n", + cur_level, level); *state = level; @@ -95,30 +97,35 @@ gk20a_pmu_dvfs_get_target_state(struct gk20a_pmu_priv *priv, } static int -gk20a_pmu_dvfs_get_dev_status(struct gk20a_pmu_priv *priv, +gk20a_pmu_dvfs_get_dev_status(struct gk20a_pmu *pmu, struct gk20a_pmu_dvfs_dev_status *status) { - status->busy = nv_rd32(priv, 0x10a508 + (BUSY_SLOT * 0x10)); - status->total= nv_rd32(priv, 0x10a508 + (CLK_SLOT * 0x10)); + struct nvkm_device *device = pmu->base.subdev.device; + status->busy = nvkm_rd32(device, 0x10a508 + (BUSY_SLOT * 0x10)); + status->total= nvkm_rd32(device, 0x10a508 + (CLK_SLOT * 0x10)); return 0; } static void -gk20a_pmu_dvfs_reset_dev_status(struct gk20a_pmu_priv *priv) +gk20a_pmu_dvfs_reset_dev_status(struct gk20a_pmu *pmu) { - nv_wr32(priv, 0x10a508 + (BUSY_SLOT * 0x10), 0x80000000); - nv_wr32(priv, 0x10a508 + (CLK_SLOT * 0x10), 0x80000000); + struct nvkm_device *device = pmu->base.subdev.device; + nvkm_wr32(device, 0x10a508 + (BUSY_SLOT * 0x10), 0x80000000); + nvkm_wr32(device, 0x10a508 + (CLK_SLOT * 0x10), 0x80000000); } static void gk20a_pmu_dvfs_work(struct nvkm_alarm *alarm) { - struct gk20a_pmu_priv *priv = - container_of(alarm, struct gk20a_pmu_priv, alarm); - struct gk20a_pmu_dvfs_data *data = priv->data; + struct gk20a_pmu *pmu = + container_of(alarm, struct gk20a_pmu, alarm); + struct gk20a_pmu_dvfs_data *data = pmu->data; struct gk20a_pmu_dvfs_dev_status status; - struct nvkm_clk *clk = nvkm_clk(priv); - struct nvkm_volt *volt = nvkm_volt(priv); + struct nvkm_subdev *subdev = &pmu->base.subdev; + struct nvkm_device *device = subdev->device; + struct nvkm_clk *clk = device->clk; + struct nvkm_timer *tmr = device->timer; + struct nvkm_volt *volt = device->volt; u32 utilization = 0; int state, ret; @@ -129,9 +136,9 @@ gk20a_pmu_dvfs_work(struct nvkm_alarm *alarm) if (!clk || !volt) goto resched; - ret = gk20a_pmu_dvfs_get_dev_status(priv, &status); + ret = gk20a_pmu_dvfs_get_dev_status(pmu, &status); if (ret) { - nv_warn(priv, "failed to get device status\n"); + nvkm_warn(subdev, "failed to get device status\n"); goto resched; } @@ -140,56 +147,52 @@ gk20a_pmu_dvfs_work(struct nvkm_alarm *alarm) data->avg_load = (data->p_smooth * data->avg_load) + utilization; data->avg_load /= data->p_smooth + 1; - nv_trace(priv, "utilization = %d %%, avg_load = %d %%\n", - utilization, data->avg_load); + nvkm_trace(subdev, "utilization = %d %%, avg_load = %d %%\n", + utilization, data->avg_load); - ret = gk20a_pmu_dvfs_get_cur_state(priv, &state); + ret = gk20a_pmu_dvfs_get_cur_state(pmu, &state); if (ret) { - nv_warn(priv, "failed to get current state\n"); + nvkm_warn(subdev, "failed to get current state\n"); goto resched; } - if (gk20a_pmu_dvfs_get_target_state(priv, &state, data->avg_load)) { - nv_trace(priv, "set new state to %d\n", state); - gk20a_pmu_dvfs_target(priv, &state); + if (gk20a_pmu_dvfs_get_target_state(pmu, &state, data->avg_load)) { + nvkm_trace(subdev, "set new state to %d\n", state); + gk20a_pmu_dvfs_target(pmu, &state); } resched: - gk20a_pmu_dvfs_reset_dev_status(priv); - nvkm_timer_alarm(priv, 100000000, alarm); + gk20a_pmu_dvfs_reset_dev_status(pmu); + nvkm_timer_alarm(tmr, 100000000, alarm); } static int -gk20a_pmu_fini(struct nvkm_object *object, bool suspend) +gk20a_pmu_fini(struct nvkm_subdev *subdev, bool suspend) { - struct nvkm_pmu *pmu = (void *)object; - struct gk20a_pmu_priv *priv = (void *)pmu; - - nvkm_timer_alarm_cancel(priv, &priv->alarm); + struct gk20a_pmu *pmu = gk20a_pmu(subdev); + nvkm_timer_alarm_cancel(subdev->device->timer, &pmu->alarm); + return 0; +} - return nvkm_subdev_fini(&pmu->base, suspend); +static void * +gk20a_pmu_dtor(struct nvkm_subdev *subdev) +{ + return gk20a_pmu(subdev); } static int -gk20a_pmu_init(struct nvkm_object *object) +gk20a_pmu_init(struct nvkm_subdev *subdev) { - struct nvkm_pmu *pmu = (void *)object; - struct gk20a_pmu_priv *priv = (void *)pmu; - int ret; - - ret = nvkm_subdev_init(&pmu->base); - if (ret) - return ret; - - pmu->pgob = nvkm_pmu_pgob; + struct gk20a_pmu *pmu = gk20a_pmu(subdev); + struct nvkm_device *device = pmu->base.subdev.device; /* init pwr perf counter */ - nv_wr32(pmu, 0x10a504 + (BUSY_SLOT * 0x10), 0x00200001); - nv_wr32(pmu, 0x10a50c + (BUSY_SLOT * 0x10), 0x00000002); - nv_wr32(pmu, 0x10a50c + (CLK_SLOT * 0x10), 0x00000003); + nvkm_wr32(device, 0x10a504 + (BUSY_SLOT * 0x10), 0x00200001); + nvkm_wr32(device, 0x10a50c + (BUSY_SLOT * 0x10), 0x00000002); + nvkm_wr32(device, 0x10a50c + (CLK_SLOT * 0x10), 0x00000003); - nvkm_timer_alarm(pmu, 2000000000, &priv->alarm); - return ret; + nvkm_timer_alarm(device->timer, 2000000000, &pmu->alarm); + return 0; } static struct gk20a_pmu_dvfs_data @@ -199,32 +202,26 @@ gk20a_dvfs_data= { .p_smooth = 1, }; -static int -gk20a_pmu_ctor(struct nvkm_object *parent, struct nvkm_object *engine, - struct nvkm_oclass *oclass, void *data, u32 size, - struct nvkm_object **pobject) -{ - struct gk20a_pmu_priv *priv; - int ret; +static const struct nvkm_subdev_func +gk20a_pmu = { + .init = gk20a_pmu_init, + .fini = gk20a_pmu_fini, + .dtor = gk20a_pmu_dtor, +}; - ret = nvkm_pmu_create(parent, engine, oclass, &priv); - *pobject = nv_object(priv); - if (ret) - return ret; +int +gk20a_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu) +{ + static const struct nvkm_pmu_func func = {}; + struct gk20a_pmu *pmu; - priv->data = &gk20a_dvfs_data; + if (!(pmu = kzalloc(sizeof(*pmu), GFP_KERNEL))) + return -ENOMEM; + pmu->base.func = &func; + *ppmu = &pmu->base; - nvkm_alarm_init(&priv->alarm, gk20a_pmu_dvfs_work); + nvkm_subdev_ctor(&gk20a_pmu, device, index, 0, &pmu->base.subdev); + pmu->data = &gk20a_dvfs_data; + nvkm_alarm_init(&pmu->alarm, gk20a_pmu_dvfs_work); return 0; } - -struct nvkm_oclass * -gk20a_pmu_oclass = &(struct nvkm_pmu_impl) { - .base.handle = NV_SUBDEV(PMU, 0xea), - .base.ofuncs = &(struct nvkm_ofuncs) { - .ctor = gk20a_pmu_ctor, - .dtor = _nvkm_pmu_dtor, - .init = gk20a_pmu_init, - .fini = gk20a_pmu_fini, - }, -}.base; -- cgit v1.2.3-54-g00ecf