diff options
Diffstat (limited to 'drivers/gpu/arm/midgard/mali_kbase_pm_demand.c')
-rwxr-xr-x | drivers/gpu/arm/midgard/mali_kbase_pm_demand.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/gpu/arm/midgard/mali_kbase_pm_demand.c b/drivers/gpu/arm/midgard/mali_kbase_pm_demand.c new file mode 100755 index 00000000000..fd94294433f --- /dev/null +++ b/drivers/gpu/arm/midgard/mali_kbase_pm_demand.c @@ -0,0 +1,70 @@ +/* + * + * (C) COPYRIGHT 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. + * + */ + + + + + +/** + * @file mali_kbase_pm_demand.c + * 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 mali_bool demand_get_core_active (struct kbase_device *kbdev) +{ + if (0 == kbdev->pm.active_count) + return MALI_FALSE; + + return MALI_TRUE; +} + +static void demand_init(struct kbase_device *kbdev) +{ + CSTD_UNUSED(kbdev); +} + +static void demand_term(struct kbase_device *kbdev) +{ + CSTD_UNUSED(kbdev); +} + +/** The @ref 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 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) |