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/*
*
* (C) COPYRIGHT 2010-2016 ARM Limited. All rights reserved.
*
* This program is free software and is provided to you under the terms of the
* GNU General Public License version 2 as published by the Free Software
* Foundation, and any use by you of this program is subject to the terms
* of such GNU licence.
*
* A copy of the licence is included with the program, and can also be obtained
* from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
/*
* A simple demand based power management policy
*/
#include <mali_kbase.h>
#include <mali_kbase_pm.h>
static u64 demand_get_core_mask(struct kbase_device *kbdev)
{
u64 desired = kbdev->shader_needed_bitmap | kbdev->shader_inuse_bitmap;
if (0 == kbdev->pm.active_count)
return 0;
return desired;
}
static bool demand_get_core_active(struct kbase_device *kbdev)
{
if (0 == kbdev->pm.active_count && !(kbdev->shader_needed_bitmap |
kbdev->shader_inuse_bitmap) && !kbdev->tiler_needed_cnt
&& !kbdev->tiler_inuse_cnt)
return false;
return true;
}
static void demand_init(struct kbase_device *kbdev)
{
CSTD_UNUSED(kbdev);
}
static void demand_term(struct kbase_device *kbdev)
{
CSTD_UNUSED(kbdev);
}
/*
* The struct kbase_pm_policy structure for the demand power policy.
*
* This is the static structure that defines the demand power policy's callback
* and name.
*/
const struct kbase_pm_policy kbase_pm_demand_policy_ops = {
"demand", /* name */
demand_init, /* init */
demand_term, /* term */
demand_get_core_mask, /* get_core_mask */
demand_get_core_active, /* get_core_active */
0u, /* flags */
KBASE_PM_POLICY_ID_DEMAND, /* id */
};
KBASE_EXPORT_TEST_API(kbase_pm_demand_policy_ops);
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