| /* |
| * |
| * (C) COPYRIGHT 2010-2015 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)) |
| 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); |