diff options
Diffstat (limited to 'drivers/gpu/arm/midgard/backend/gpu/mali_kbase_pm_demand.h')
-rwxr-xr-x | drivers/gpu/arm/midgard/backend/gpu/mali_kbase_pm_demand.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_pm_demand.h b/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_pm_demand.h new file mode 100755 index 000000000000..c0c84b6e9189 --- /dev/null +++ b/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_pm_demand.h @@ -0,0 +1,64 @@ +/* + * + * (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. + * + */ + + + + + +/* + * A simple demand based power management policy + */ + +#ifndef MALI_KBASE_PM_DEMAND_H +#define MALI_KBASE_PM_DEMAND_H + +/** + * DOC: Demand power management policy + * + * The demand 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: + * - The Shader Cores are not powered up + * + * - When KBase indicates that a set of Shader Cores are needed to submit the + * currently queued Job Chains: + * - Only those Shader Cores are powered up + * + * - When KBase indicates that the GPU need not be powered: + * - The Shader Cores are powered off, and the GPU itself is powered off too. + * + * 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_demand - Private structure for policy instance data + * + * @dummy: No state is needed, a dummy variable + * + * This contains data that is private to the demand power policy. + */ +struct kbasep_pm_policy_demand { + int dummy; +}; + +extern const struct kbase_pm_policy kbase_pm_demand_policy_ops; + +#endif /* MALI_KBASE_PM_DEMAND_H */ |