diff options
Diffstat (limited to 'drivers/gpu/mali/mali400ko/driver/src/devicedrv/mali/common/pmm/mali_pmm_policy_alwayson.c')
-rw-r--r-- | drivers/gpu/mali/mali400ko/driver/src/devicedrv/mali/common/pmm/mali_pmm_policy_alwayson.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/drivers/gpu/mali/mali400ko/driver/src/devicedrv/mali/common/pmm/mali_pmm_policy_alwayson.c b/drivers/gpu/mali/mali400ko/driver/src/devicedrv/mali/common/pmm/mali_pmm_policy_alwayson.c new file mode 100644 index 00000000000..643bb04553b --- /dev/null +++ b/drivers/gpu/mali/mali400ko/driver/src/devicedrv/mali/common/pmm/mali_pmm_policy_alwayson.c @@ -0,0 +1,81 @@ +/* + * Copyright (C) 2010-2011 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_pmm_policy_alwayson.c + * Implementation of the power management module policy - always on + */ + +#if USING_MALI_PMM + +#include "mali_ukk.h" +#include "mali_kernel_common.h" + +#include "mali_pmm.h" +#include "mali_pmm_system.h" +#include "mali_pmm_state.h" +#include "mali_pmm_policy.h" +#include "mali_pmm_policy_alwayson.h" + +_mali_osk_errcode_t pmm_policy_init_always_on(void) +{ + /* Nothing to set up */ + MALI_SUCCESS; +} + +void pmm_policy_term_always_on(void) +{ + /* Nothing to tear down */ +} + +_mali_osk_errcode_t pmm_policy_process_always_on( _mali_pmm_internal_state_t *pmm, mali_pmm_message_t *event ) +{ + MALI_DEBUG_ASSERT_POINTER(pmm); + MALI_DEBUG_ASSERT_POINTER(event); + + switch( event->id ) + { + case MALI_PMM_EVENT_OS_POWER_DOWN: + /* We aren't going to do anything, but signal so we don't block the OS + * NOTE: This may adversely affect any jobs Mali is currently running + */ + _mali_osk_pmm_power_down_done( event->data ); + break; + + case MALI_PMM_EVENT_INTERNAL_POWER_UP_ACK: + case MALI_PMM_EVENT_INTERNAL_POWER_DOWN_ACK: + /* Not expected in this policy */ + MALI_DEBUG_ASSERT( MALI_FALSE ); + break; + + case MALI_PMM_EVENT_OS_POWER_UP: + /* Nothing to do */ + _mali_osk_pmm_power_up_done( event->data ); + break; + + case MALI_PMM_EVENT_JOB_SCHEDULED: + case MALI_PMM_EVENT_JOB_QUEUED: + case MALI_PMM_EVENT_JOB_FINISHED: + /* Nothing to do - we are always on */ + break; + + case MALI_PMM_EVENT_TIMEOUT: + /* Not expected in this policy */ + MALI_DEBUG_ASSERT( MALI_FALSE ); + break; + + default: + MALI_ERROR(_MALI_OSK_ERR_ITEM_NOT_FOUND); + } + + MALI_SUCCESS; +} + +#endif |