| |
| /* |
| * |
| * (C) COPYRIGHT 2011-2015 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. |
| * |
| */ |
| |
| |
| |
| |
| |
| /* |
| * "Always on" power management policy |
| */ |
| |
| #ifndef MALI_KBASE_PM_ALWAYS_ON_H |
| #define MALI_KBASE_PM_ALWAYS_ON_H |
| |
| /** |
| * DOC: |
| * The "Always on" power management policy has the following |
| * characteristics: |
| * |
| * - When KBase indicates that the GPU will be powered up, but we don't yet |
| * know which Job Chains are to be run: |
| * All Shader Cores are powered up, regardless of whether or not they will |
| * be needed later. |
| * |
| * - When KBase indicates that a set of Shader Cores are needed to submit the |
| * currently queued Job Chains: |
| * All Shader Cores are kept powered, regardless of whether or not they will |
| * be needed |
| * |
| * - When KBase indicates that the GPU need not be powered: |
| * The Shader Cores are kept powered, regardless of whether or not they will |
| * be needed. The GPU itself is also kept powered, even though it is not |
| * needed. |
| * |
| * This policy is automatically overridden during system suspend: the desired |
| * core state is ignored, and the cores are forced off regardless of what the |
| * policy requests. After resuming from suspend, new changes to the desired |
| * core state made by the policy are honored. |
| * |
| * Note: |
| * |
| * - KBase indicates the GPU will be powered up when it has a User Process that |
| * has just started to submit Job Chains. |
| * |
| * - KBase indicates the GPU need not be powered when all the Job Chains from |
| * User Processes have finished, and it is waiting for a User Process to |
| * submit some more Job Chains. |
| */ |
| |
| /** |
| * struct kbasep_pm_policy_always_on - Private struct for policy instance data |
| * @dummy: unused dummy variable |
| * |
| * This contains data that is private to the particular power policy that is |
| * active. |
| */ |
| struct kbasep_pm_policy_always_on { |
| int dummy; |
| }; |
| |
| extern const struct kbase_pm_policy kbase_pm_always_on_policy_ops; |
| |
| #endif /* MALI_KBASE_PM_ALWAYS_ON_H */ |
| |