static int tz_start(struct devfreq *devfreq)
{
struct devfreq_msm_adreno_tz_data *priv;
unsigned int tz_pwrlevels[MSM_ADRENO_MAX_PWRLEVELS + 1];
int i, out, ret;
if (devfreq->data == NULL) {
pr_err(TAG "data is required for this governor\n");
return -EINVAL;
}
priv = devfreq->data;
priv->nb.notifier_call = tz_notify;
out = 1;
if (devfreq->profile->max_state < MSM_ADRENO_MAX_PWRLEVELS) {
for (i = 0; i < devfreq->profile->max_state; i++)
tz_pwrlevels[out++] = devfreq->profile->freq_table[i];
tz_pwrlevels[0] = i;
} else {
pr_err(TAG "tz_pwrlevels[] is too short\n");
return -EINVAL;
}
ret = scm_call(SCM_SVC_DCVS, TZ_INIT_ID, tz_pwrlevels,
sizeof(tz_pwrlevels), NULL, 0);
if (ret != 0)
pr_err(TAG "tz_init failed\n");
return kgsl_devfreq_add_notifier(devfreq->dev.parent, &priv->nb);
}
static int tz_start(struct devfreq *devfreq)
{
struct devfreq_msm_adreno_tz_data *priv;
unsigned int tz_pwrlevels[MSM_ADRENO_MAX_PWRLEVELS + 1];
unsigned int t1, t2 = 2 * HIST;
int i, out, ret;
struct msm_adreno_extended_profile *ext_profile = container_of(
(devfreq->profile),
struct msm_adreno_extended_profile,
profile);
/*
* Assuming that we have only one instance of the adreno device
* connected to this governor,
* can safely restore the pointer to the governor private data
* from the container of the device profile
*/
devfreq->data = ext_profile->private_data;
priv = devfreq->data;
priv->nb.notifier_call = tz_notify;
out = 1;
if (devfreq->profile->max_state < MSM_ADRENO_MAX_PWRLEVELS) {
for (i = 0; i < devfreq->profile->max_state; i++)
tz_pwrlevels[out++] = devfreq->profile->freq_table[i];
tz_pwrlevels[0] = i;
} else {
pr_err(TAG "tz_pwrlevels[] is too short\n");
return -EINVAL;
}
ret = scm_call(SCM_SVC_DCVS, TZ_INIT_ID, tz_pwrlevels,
sizeof(tz_pwrlevels), NULL, 0);
if (ret != 0)
pr_err(TAG "tz_init failed\n");
/* Set up the cut-over percentages for the bus calculation. */
if (priv->bus.num) {
for (i = 0; i < priv->bus.num; i++) {
t1 = (u32)(100 * priv->bus.ib[i]) /
(u32)priv->bus.ib[priv->bus.num - 1];
priv->bus.p_up[i] = t1 - HIST;
priv->bus.p_down[i] = t2 - 2 * HIST;
t2 = t1;
}
/* Set the upper-most and lower-most bounds correctly. */
priv->bus.p_down[0] = 0;
priv->bus.p_down[1] = (priv->bus.p_down[1] > (2 * HIST)) ?
priv->bus.p_down[1] : (2 * HIST);
if (priv->bus.num - 1 >= 0)
priv->bus.p_up[priv->bus.num - 1] = 100;
_update_cutoff(priv, priv->bus.max);
}
return kgsl_devfreq_add_notifier(devfreq->dev.parent, &priv->nb);
}
static int tz_start(struct devfreq *devfreq)
{
struct devfreq_msm_adreno_tz_data *priv;
unsigned int tz_pwrlevels[MSM_ADRENO_MAX_PWRLEVELS + 1];
int i, out, ret;
unsigned int version;
struct msm_adreno_extended_profile *gpu_profile = container_of(
(devfreq->profile),
struct msm_adreno_extended_profile,
profile);
/*
* Assuming that we have only one instance of the adreno device
* connected to this governor,
* can safely restore the pointer to the governor private data
* from the container of the device profile
*/
devfreq->data = gpu_profile->private_data;
partner_gpu_profile = gpu_profile;
priv = devfreq->data;
priv->nb.notifier_call = tz_notify;
out = 1;
if (devfreq->profile->max_state < MSM_ADRENO_MAX_PWRLEVELS) {
for (i = 0; i < devfreq->profile->max_state; i++)
tz_pwrlevels[out++] = devfreq->profile->freq_table[i];
tz_pwrlevels[0] = i;
} else {
pr_err(TAG "tz_pwrlevels[] is too short\n");
return -EINVAL;
}
gpu_profile->partner_wq = create_freezable_workqueue
("governor_msm_adreno_tz_wq");
INIT_WORK(&gpu_profile->partner_start_event_ws,
do_partner_start_event);
INIT_WORK(&gpu_profile->partner_stop_event_ws,
do_partner_stop_event);
INIT_WORK(&gpu_profile->partner_suspend_event_ws,
do_partner_suspend_event);
INIT_WORK(&gpu_profile->partner_resume_event_ws,
do_partner_resume_event);
ret = tz_init(priv, tz_pwrlevels, sizeof(tz_pwrlevels), &version,
sizeof(version));
if (ret != 0 || version > MAX_TZ_VERSION) {
pr_err(TAG "tz_init failed\n");
return ret;
}
return kgsl_devfreq_add_notifier(devfreq->dev.parent, &priv->nb);
}
static int tz_start(struct devfreq *devfreq)
{
struct devfreq_msm_adreno_tz_data *priv;
unsigned int tz_pwrlevels[MSM_ADRENO_MAX_PWRLEVELS + 1];
unsigned int t1, t2 = 2 * HIST;
int i, out, ret;
if (devfreq->data == NULL) {
pr_err(TAG "data is required for this governor\n");
return -EINVAL;
}
priv = devfreq->data;
priv->nb.notifier_call = tz_notify;
out = 1;
if (devfreq->profile->max_state < MSM_ADRENO_MAX_PWRLEVELS) {
for (i = 0; i < devfreq->profile->max_state; i++)
tz_pwrlevels[out++] = devfreq->profile->freq_table[i];
tz_pwrlevels[0] = i;
} else {
pr_err(TAG "tz_pwrlevels[] is too short\n");
return -EINVAL;
}
ret = scm_call(SCM_SVC_DCVS, TZ_INIT_ID, tz_pwrlevels,
sizeof(tz_pwrlevels), NULL, 0);
if (ret != 0) {
pr_err(TAG "tz_init failed\n");
return ret;
}
/* Set up the cut-over percentages for the bus calculation. */
if (priv->bus.num) {
for (i = 0; i < priv->bus.num; i++) {
t1 = (u32)(100 * priv->bus.ib[i]) /
(u32)priv->bus.ib[priv->bus.num - 1];
priv->bus.p_up[i] = t1 - HIST;
priv->bus.p_down[i] = t2 - 2 * HIST;
t2 = t1;
}
/* Set the upper-most and lower-most bounds correctly. */
priv->bus.p_down[0] = 0;
priv->bus.p_down[1] = (priv->bus.p_down[1] > (2 * HIST)) ?
priv->bus.p_down[1] : (2 * HIST);
if (priv->bus.num - 1 >= 0)
priv->bus.p_up[priv->bus.num - 1] = 100;
_update_cutoff(priv, priv->bus.max);
}
return kgsl_devfreq_add_notifier(devfreq->dev.parent, &priv->nb);
}
