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