aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk20a.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk20a.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk20a.c149
1 files changed, 73 insertions, 76 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk20a.c
index 594f746e68f2..6689d0290a7e 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 <subdev/clk.h>
@@ -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;