diff options
Diffstat (limited to 'drivers/gpu/arm/utgard/common/mali_executor.c')
| -rw-r--r-- | drivers/gpu/arm/utgard/common/mali_executor.c | 2642 |
1 files changed, 2642 insertions, 0 deletions
diff --git a/drivers/gpu/arm/utgard/common/mali_executor.c b/drivers/gpu/arm/utgard/common/mali_executor.c new file mode 100644 index 000000000000..3c2864386798 --- /dev/null +++ b/drivers/gpu/arm/utgard/common/mali_executor.c @@ -0,0 +1,2642 @@ +/* + * Copyright (C) 2012-2015 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. + */ + +#include "mali_executor.h" +#include "mali_scheduler.h" +#include "mali_kernel_common.h" +#include "mali_kernel_core.h" +#include "mali_osk.h" +#include "mali_osk_list.h" +#include "mali_pp.h" +#include "mali_pp_job.h" +#include "mali_group.h" +#include "mali_pm.h" +#include "mali_timeline.h" +#include "mali_osk_profiling.h" +#include "mali_session.h" + +/* + * If dma_buf with map on demand is used, we defer job deletion and job queue + * if in atomic context, since both might sleep. + */ +#if defined(CONFIG_DMA_SHARED_BUFFER) && !defined(CONFIG_MALI_DMA_BUF_MAP_ON_ATTACH) +#define MALI_EXECUTOR_USE_DEFERRED_PP_JOB_DELETE 1 +#define MALI_EXECUTOR_USE_DEFERRED_PP_JOB_QUEUE 1 +#endif /* !defined(CONFIG_DMA_SHARED_BUFFER) && !defined(CONFIG_MALI_DMA_BUF_MAP_ON_ATTACH) */ + +/* + * ---------- static type definitions (structs, enums, etc) ---------- + */ + +enum mali_executor_state_t { + EXEC_STATE_NOT_PRESENT, /* Virtual group on Mali-300/400 (do not use) */ + EXEC_STATE_DISABLED, /* Disabled by core scaling (do not use) */ + EXEC_STATE_EMPTY, /* No child groups for virtual group (do not use) */ + EXEC_STATE_INACTIVE, /* Can be used, but must be activate first */ + EXEC_STATE_IDLE, /* Active and ready to be used */ + EXEC_STATE_WORKING, /* Executing a job */ +}; + +/* + * ---------- global variables (exported due to inline functions) ---------- + */ + +/* Lock for this module (protecting all HW access except L2 caches) */ +_mali_osk_spinlock_irq_t *mali_executor_lock_obj = NULL; + +mali_bool mali_executor_hints[MALI_EXECUTOR_HINT_MAX]; + +/* + * ---------- static variables ---------- + */ + +/* Used to defer job scheduling */ +static _mali_osk_wq_work_t *executor_wq_high_pri = NULL; + +/* Store version from GP and PP (user space wants to know this) */ +static u32 pp_version = 0; +static u32 gp_version = 0; + +/* List of physical PP groups which are disabled by some external source */ +static _MALI_OSK_LIST_HEAD_STATIC_INIT(group_list_disabled); +static u32 group_list_disabled_count = 0; + +/* List of groups which can be used, but activate first */ +static _MALI_OSK_LIST_HEAD_STATIC_INIT(group_list_inactive); +static u32 group_list_inactive_count = 0; + +/* List of groups which are active and ready to be used */ +static _MALI_OSK_LIST_HEAD_STATIC_INIT(group_list_idle); +static u32 group_list_idle_count = 0; + +/* List of groups which are executing a job */ +static _MALI_OSK_LIST_HEAD_STATIC_INIT(group_list_working); +static u32 group_list_working_count = 0; + +/* Virtual group (if any) */ +static struct mali_group *virtual_group = NULL; + +/* Virtual group state is tracked with a state variable instead of 4 lists */ +static enum mali_executor_state_t virtual_group_state = EXEC_STATE_NOT_PRESENT; + +/* GP group */ +static struct mali_group *gp_group = NULL; + +/* GP group state is tracked with a state variable instead of 4 lists */ +static enum mali_executor_state_t gp_group_state = EXEC_STATE_NOT_PRESENT; + +static u32 gp_returned_cookie = 0; + +/* Total number of physical PP cores present */ +static u32 num_physical_pp_cores_total = 0; + +/* Number of physical cores which are enabled */ +static u32 num_physical_pp_cores_enabled = 0; + +/* Enable or disable core scaling */ +static mali_bool core_scaling_enabled = MALI_TRUE; + +/* Variables to allow safe pausing of the scheduler */ +static _mali_osk_wait_queue_t *executor_working_wait_queue = NULL; +static u32 pause_count = 0; + +/* PP cores haven't been enabled because of some pp cores haven't been disabled. */ +static int core_scaling_delay_up_mask[MALI_MAX_NUMBER_OF_DOMAINS] = { 0 }; + +/* Variables used to implement notify pp core changes to userspace when core scaling + * is finished in mali_executor_complete_group() function. */ +static _mali_osk_wq_work_t *executor_wq_notify_core_change = NULL; +static _mali_osk_wait_queue_t *executor_notify_core_change_wait_queue = NULL; + +/* + * ---------- Forward declaration of static functions ---------- + */ +static mali_bool mali_executor_is_suspended(void *data); +static mali_bool mali_executor_is_working(void); +static void mali_executor_disable_empty_virtual(void); +static mali_bool mali_executor_physical_rejoin_virtual(struct mali_group *group); +static mali_bool mali_executor_has_virtual_group(void); +static mali_bool mali_executor_virtual_group_is_usable(void); +static void mali_executor_schedule(void); +static void mali_executor_wq_schedule(void *arg); +static void mali_executor_send_gp_oom_to_user(struct mali_gp_job *job, u32 added_size); +static void mali_executor_complete_group(struct mali_group *group, + mali_bool success, + struct mali_gp_job **gp_job_done, + struct mali_pp_job **pp_job_done); +static void mali_executor_change_state_pp_physical(struct mali_group *group, + _mali_osk_list_t *old_list, + u32 *old_count, + _mali_osk_list_t *new_list, + u32 *new_count); +static mali_bool mali_executor_group_is_in_state(struct mali_group *group, + enum mali_executor_state_t state); + +static void mali_executor_group_enable_internal(struct mali_group *group); +static void mali_executor_group_disable_internal(struct mali_group *group); +static void mali_executor_core_scale(unsigned int target_core_nr); +static void mali_executor_core_scale_in_group_complete(struct mali_group *group); +static void mali_executor_notify_core_change(u32 num_cores); +static void mali_executor_wq_notify_core_change(void *arg); +static void mali_executor_change_group_status_disabled(struct mali_group *group); +static mali_bool mali_executor_deactivate_list_idle(mali_bool deactivate_idle_group); +static void mali_executor_set_state_pp_physical(struct mali_group *group, + _mali_osk_list_t *new_list, + u32 *new_count); + +/* + * ---------- Actual implementation ---------- + */ + +_mali_osk_errcode_t mali_executor_initialize(void) +{ + mali_executor_lock_obj = _mali_osk_spinlock_irq_init(_MALI_OSK_LOCKFLAG_ORDERED, _MALI_OSK_LOCK_ORDER_EXECUTOR); + if (NULL == mali_executor_lock_obj) { + mali_executor_terminate(); + return _MALI_OSK_ERR_NOMEM; + } + + executor_wq_high_pri = _mali_osk_wq_create_work_high_pri(mali_executor_wq_schedule, NULL); + if (NULL == executor_wq_high_pri) { + mali_executor_terminate(); + return _MALI_OSK_ERR_NOMEM; + } + + executor_working_wait_queue = _mali_osk_wait_queue_init(); + if (NULL == executor_working_wait_queue) { + mali_executor_terminate(); + return _MALI_OSK_ERR_NOMEM; + } + + executor_wq_notify_core_change = _mali_osk_wq_create_work(mali_executor_wq_notify_core_change, NULL); + if (NULL == executor_wq_notify_core_change) { + mali_executor_terminate(); + return _MALI_OSK_ERR_NOMEM; + } + + executor_notify_core_change_wait_queue = _mali_osk_wait_queue_init(); + if (NULL == executor_notify_core_change_wait_queue) { + mali_executor_terminate(); + return _MALI_OSK_ERR_NOMEM; + } + + return _MALI_OSK_ERR_OK; +} + +void mali_executor_terminate(void) +{ + if (NULL != executor_notify_core_change_wait_queue) { + _mali_osk_wait_queue_term(executor_notify_core_change_wait_queue); + executor_notify_core_change_wait_queue = NULL; + } + + if (NULL != executor_wq_notify_core_change) { + _mali_osk_wq_delete_work(executor_wq_notify_core_change); + executor_wq_notify_core_change = NULL; + } + + if (NULL != executor_working_wait_queue) { + _mali_osk_wait_queue_term(executor_working_wait_queue); + executor_working_wait_queue = NULL; + } + + if (NULL != executor_wq_high_pri) { + _mali_osk_wq_delete_work(executor_wq_high_pri); + executor_wq_high_pri = NULL; + } + + if (NULL != mali_executor_lock_obj) { + _mali_osk_spinlock_irq_term(mali_executor_lock_obj); + mali_executor_lock_obj = NULL; + } +} + +void mali_executor_populate(void) +{ + u32 num_groups; + u32 i; + + num_groups = mali_group_get_glob_num_groups(); + + /* Do we have a virtual group? */ + for (i = 0; i < num_groups; i++) { + struct mali_group *group = mali_group_get_glob_group(i); + + if (mali_group_is_virtual(group)) { + virtual_group = group; + virtual_group_state = EXEC_STATE_INACTIVE; + break; + } + } + + /* Find all the available physical GP and PP cores */ + for (i = 0; i < num_groups; i++) { + struct mali_group *group = mali_group_get_glob_group(i); + + if (NULL != group) { + struct mali_pp_core *pp_core = mali_group_get_pp_core(group); + struct mali_gp_core *gp_core = mali_group_get_gp_core(group); + + if (!mali_group_is_virtual(group)) { + if (NULL != pp_core) { + if (0 == pp_version) { + /* Retrieve PP version from the first available PP core */ + pp_version = mali_pp_core_get_version(pp_core); + } + + if (NULL != virtual_group) { + mali_executor_lock(); + mali_group_add_group(virtual_group, group); + mali_executor_unlock(); + } else { + _mali_osk_list_add(&group->executor_list, &group_list_inactive); + group_list_inactive_count++; + } + + num_physical_pp_cores_total++; + } else { + MALI_DEBUG_ASSERT_POINTER(gp_core); + + if (0 == gp_version) { + /* Retrieve GP version */ + gp_version = mali_gp_core_get_version(gp_core); + } + + gp_group = group; + gp_group_state = EXEC_STATE_INACTIVE; + } + + } + } + } + + num_physical_pp_cores_enabled = num_physical_pp_cores_total; +} + +void mali_executor_depopulate(void) +{ + struct mali_group *group; + struct mali_group *temp; + + MALI_DEBUG_ASSERT(EXEC_STATE_WORKING != gp_group_state); + + if (NULL != gp_group) { + mali_group_delete(gp_group); + gp_group = NULL; + } + + MALI_DEBUG_ASSERT(EXEC_STATE_WORKING != virtual_group_state); + + if (NULL != virtual_group) { + mali_group_delete(virtual_group); + virtual_group = NULL; + } + + MALI_DEBUG_ASSERT(_mali_osk_list_empty(&group_list_working)); + + _MALI_OSK_LIST_FOREACHENTRY(group, temp, &group_list_idle, struct mali_group, executor_list) { + mali_group_delete(group); + } + + _MALI_OSK_LIST_FOREACHENTRY(group, temp, &group_list_inactive, struct mali_group, executor_list) { + mali_group_delete(group); + } + + _MALI_OSK_LIST_FOREACHENTRY(group, temp, &group_list_disabled, struct mali_group, executor_list) { + mali_group_delete(group); + } +} + +void mali_executor_suspend(void) +{ + mali_executor_lock(); + + /* Increment the pause_count so that no more jobs will be scheduled */ + pause_count++; + + mali_executor_unlock(); + + _mali_osk_wait_queue_wait_event(executor_working_wait_queue, + mali_executor_is_suspended, NULL); + + /* + * mali_executor_complete_XX() leaves jobs in idle state. + * deactivate option is used when we are going to power down + * the entire GPU (OS suspend) and want a consistent SW vs HW + * state. + */ + mali_executor_lock(); + + mali_executor_deactivate_list_idle(MALI_TRUE); + + /* + * The following steps are used to deactive all of activated + * (MALI_GROUP_STATE_ACTIVE) and activating (MALI_GROUP + * _STAET_ACTIVATION_PENDING) groups, to make sure the variable + * pd_mask_wanted is equal with 0. */ + if (MALI_GROUP_STATE_INACTIVE != mali_group_get_state(gp_group)) { + gp_group_state = EXEC_STATE_INACTIVE; + mali_group_deactivate(gp_group); + } + + if (mali_executor_has_virtual_group()) { + if (MALI_GROUP_STATE_INACTIVE + != mali_group_get_state(virtual_group)) { + virtual_group_state = EXEC_STATE_INACTIVE; + mali_group_deactivate(virtual_group); + } + } + + if (0 < group_list_inactive_count) { + struct mali_group *group; + struct mali_group *temp; + + _MALI_OSK_LIST_FOREACHENTRY(group, temp, + &group_list_inactive, + struct mali_group, executor_list) { + if (MALI_GROUP_STATE_ACTIVATION_PENDING + == mali_group_get_state(group)) { + mali_group_deactivate(group); + } + + /* + * On mali-450 platform, we may have physical group in the group inactive + * list, and its state is MALI_GROUP_STATE_ACTIVATION_PENDING, so we only + * deactivate it is not enough, we still also need add it back to virtual group. + * And now, virtual group must be in INACTIVE state, so it's safe to add + * physical group to virtual group at this point. + */ + if (NULL != virtual_group) { + _mali_osk_list_delinit(&group->executor_list); + group_list_inactive_count--; + + mali_group_add_group(virtual_group, group); + } + } + } + + mali_executor_unlock(); +} + +void mali_executor_resume(void) +{ + mali_executor_lock(); + + /* Decrement pause_count to allow scheduling again (if it reaches 0) */ + pause_count--; + if (0 == pause_count) { + mali_executor_schedule(); + } + + mali_executor_unlock(); +} + +u32 mali_executor_get_num_cores_total(void) +{ + return num_physical_pp_cores_total; +} + +u32 mali_executor_get_num_cores_enabled(void) +{ + return num_physical_pp_cores_enabled; +} + +struct mali_pp_core *mali_executor_get_virtual_pp(void) +{ + MALI_DEBUG_ASSERT_POINTER(virtual_group); + MALI_DEBUG_ASSERT_POINTER(virtual_group->pp_core); + return virtual_group->pp_core; +} + +struct mali_group *mali_executor_get_virtual_group(void) +{ + return virtual_group; +} + +void mali_executor_zap_all_active(struct mali_session_data *session) +{ + struct mali_group *group; + struct mali_group *temp; + mali_bool ret; + + mali_executor_lock(); + + /* + * This function is a bit complicated because + * mali_group_zap_session() can fail. This only happens because the + * group is in an unhandled page fault status. + * We need to make sure this page fault is handled before we return, + * so that we know every single outstanding MMU transactions have + * completed. This will allow caller to safely remove physical pages + * when we have returned. + */ + + MALI_DEBUG_ASSERT(NULL != gp_group); + ret = mali_group_zap_session(gp_group, session); + if (MALI_FALSE == ret) { + struct mali_gp_job *gp_job = NULL; + + mali_executor_complete_group(gp_group, MALI_FALSE, &gp_job, NULL); + + MALI_DEBUG_ASSERT_POINTER(gp_job); + + /* GP job completed, make sure it is freed */ + mali_scheduler_complete_gp_job(gp_job, MALI_FALSE, + MALI_TRUE, MALI_TRUE); + } + + if (mali_executor_has_virtual_group()) { + ret = mali_group_zap_session(virtual_group, session); + if (MALI_FALSE == ret) { + struct mali_pp_job *pp_job = NULL; + + mali_executor_complete_group(virtual_group, MALI_FALSE, NULL, &pp_job); + + if (NULL != pp_job) { + /* PP job completed, make sure it is freed */ + mali_scheduler_complete_pp_job(pp_job, 0, + MALI_FALSE, MALI_TRUE); + } + } + } + + _MALI_OSK_LIST_FOREACHENTRY(group, temp, &group_list_working, + struct mali_group, executor_list) { + ret = mali_group_zap_session(group, session); + if (MALI_FALSE == ret) { + ret = mali_group_zap_session(group, session); + if (MALI_FALSE == ret) { + struct mali_pp_job *pp_job = NULL; + + mali_executor_complete_group(group, MALI_FALSE, NULL, &pp_job); + + if (NULL != pp_job) { + /* PP job completed, free it */ + mali_scheduler_complete_pp_job(pp_job, + 0, MALI_FALSE, + MALI_TRUE); + } + } + } + } + + mali_executor_unlock(); +} + +void mali_executor_schedule_from_mask(mali_scheduler_mask mask, mali_bool deferred_schedule) +{ + if (MALI_SCHEDULER_MASK_EMPTY != mask) { + if (MALI_TRUE == deferred_schedule) { + _mali_osk_wq_schedule_work_high_pri(executor_wq_high_pri); + } else { + /* Schedule from this thread*/ + mali_executor_lock(); + mali_executor_schedule(); + mali_executor_unlock(); + } + } +} + +_mali_osk_errcode_t mali_executor_interrupt_gp(struct mali_group *group, + mali_bool in_upper_half) +{ + enum mali_interrupt_result int_result; + mali_bool time_out = MALI_FALSE; + + MALI_DEBUG_PRINT(4, ("Executor: GP interrupt from %s in %s half\n", + mali_group_core_description(group), + in_upper_half ? "upper" : "bottom")); + + mali_executor_lock(); + if (!mali_group_is_working(group)) { + /* Not working, so nothing to do */ + mali_executor_unlock(); + return _MALI_OSK_ERR_FAULT; + } + + MALI_DEBUG_ASSERT_EXECUTOR_LOCK_HELD(); + MALI_DEBUG_ASSERT(mali_group_is_working(group)); + + if (mali_group_has_timed_out(group)) { + int_result = MALI_INTERRUPT_RESULT_ERROR; + time_out = MALI_TRUE; + MALI_PRINT(("Executor GP: Job %d Timeout on %s\n", + mali_gp_job_get_id(group->gp_running_job), + mali_group_core_description(group))); + } else { + int_result = mali_group_get_interrupt_result_gp(group); + if (MALI_INTERRUPT_RESULT_NONE == int_result) { + mali_executor_unlock(); + return _MALI_OSK_ERR_FAULT; + } + } + +#if defined(CONFIG_MALI_SHARED_INTERRUPTS) + if (MALI_INTERRUPT_RESULT_NONE == int_result) { + /* No interrupts signalled, so nothing to do */ + mali_executor_unlock(); + return _MALI_OSK_ERR_FAULT; + } +#else + MALI_DEBUG_ASSERT(MALI_INTERRUPT_RESULT_NONE != int_result); +#endif + + mali_group_mask_all_interrupts_gp(group); + + if (MALI_INTERRUPT_RESULT_SUCCESS_VS == int_result) { + if (mali_group_gp_is_active(group)) { + /* Only VS completed so far, while PLBU is still active */ + + /* Enable all but the current interrupt */ + mali_group_enable_interrupts_gp(group, int_result); + + mali_executor_unlock(); + return _MALI_OSK_ERR_OK; + } + } else if (MALI_INTERRUPT_RESULT_SUCCESS_PLBU == int_result) { + if (mali_group_gp_is_active(group)) { + /* Only PLBU completed so far, while VS is still active */ + + /* Enable all but the current interrupt */ + mali_group_enable_interrupts_gp(group, int_result); + + mali_executor_unlock(); + return _MALI_OSK_ERR_OK; + } + } else if (MALI_INTERRUPT_RESULT_OOM == int_result) { + + mali_executor_unlock(); + + mali_group_schedule_oom_work_handler(group); + + return _MALI_OSK_ERR_OK; + } + + /* We should now have a real interrupt to handle */ + + MALI_DEBUG_PRINT(4, ("Executor: Group %s completed with %s\n", + mali_group_core_description(group), + (MALI_INTERRUPT_RESULT_ERROR == int_result) ? + "ERROR" : "success")); + + if (in_upper_half && MALI_INTERRUPT_RESULT_ERROR == int_result) { + /* Don't bother to do processing of errors in upper half */ + mali_executor_unlock(); + + if (MALI_FALSE == time_out) { + mali_group_schedule_bottom_half_gp(group); + } + } else { + struct mali_gp_job *job; + mali_bool success; + + if (MALI_TRUE == time_out) { + mali_group_dump_status(group); + } + + success = (int_result != MALI_INTERRUPT_RESULT_ERROR) ? + MALI_TRUE : MALI_FALSE; + + mali_executor_complete_group(group, success, &job, NULL); + + mali_executor_unlock(); + + /* GP jobs always fully complete */ + MALI_DEBUG_ASSERT(NULL != job); + + /* This will notify user space and close the job object */ + mali_scheduler_complete_gp_job(job, success, + MALI_TRUE, MALI_TRUE); + } + + return _MALI_OSK_ERR_OK; +} + +_mali_osk_errcode_t mali_executor_interrupt_pp(struct mali_group *group, + mali_bool in_upper_half) +{ + enum mali_interrupt_result int_result; + mali_bool time_out = MALI_FALSE; + + MALI_DEBUG_PRINT(4, ("Executor: PP interrupt from %s in %s half\n", + mali_group_core_description(group), + in_upper_half ? "upper" : "bottom")); + + mali_executor_lock(); + + if (!mali_group_is_working(group)) { + /* Not working, so nothing to do */ + mali_executor_unlock(); + return _MALI_OSK_ERR_FAULT; + } + + if (in_upper_half) { + if (mali_group_is_in_virtual(group)) { + /* Child groups should never handle PP interrupts */ + MALI_DEBUG_ASSERT(!mali_group_has_timed_out(group)); + mali_executor_unlock(); + return _MALI_OSK_ERR_FAULT; + } + } + MALI_DEBUG_ASSERT_EXECUTOR_LOCK_HELD(); + MALI_DEBUG_ASSERT(mali_group_is_working(group)); + MALI_DEBUG_ASSERT(!mali_group_is_in_virtual(group)); + + if (mali_group_has_timed_out(group)) { + int_result = MALI_INTERRUPT_RESULT_ERROR; + time_out = MALI_TRUE; + MALI_PRINT(("Executor PP: Job %d Timeout on %s\n", + mali_pp_job_get_id(group->pp_running_job), + mali_group_core_description(group))); + } else { + int_result = mali_group_get_interrupt_result_pp(group); + if (MALI_INTERRUPT_RESULT_NONE == int_result) { + mali_executor_unlock(); + return _MALI_OSK_ERR_FAULT; + } + } + +#if defined(CONFIG_MALI_SHARED_INTERRUPTS) + if (MALI_INTERRUPT_RESULT_NONE == int_result) { + /* No interrupts signalled, so nothing to do */ + mali_executor_unlock(); + return _MALI_OSK_ERR_FAULT; + } else if (MALI_INTERRUPT_RESULT_SUCCESS == int_result) { + if (mali_group_is_virtual(group) && mali_group_pp_is_active(group)) { + /* Some child groups are still working, so nothing to do right now */ + mali_executor_unlock(); + return _MALI_OSK_ERR_FAULT; + } + } +#else + MALI_DEBUG_ASSERT(MALI_INTERRUPT_RESULT_NONE != int_result); +#endif + + /* We should now have a real interrupt to handle */ + + MALI_DEBUG_PRINT(4, ("Executor: Group %s completed with %s\n", + mali_group_core_description(group), + (MALI_INTERRUPT_RESULT_ERROR == int_result) ? + "ERROR" : "success")); + + if (in_upper_half && MALI_INTERRUPT_RESULT_ERROR == int_result) { + /* Don't bother to do processing of errors in upper half */ + mali_group_mask_all_interrupts_pp(group); + mali_executor_unlock(); + + if (MALI_FALSE == time_out) { + mali_group_schedule_bottom_half_pp(group); + } + } else { + struct mali_pp_job *job = NULL; + mali_bool success; + + if (MALI_TRUE == time_out) { + mali_group_dump_status(group); + } + + success = (int_result == MALI_INTERRUPT_RESULT_SUCCESS) ? + MALI_TRUE : MALI_FALSE; + + mali_executor_complete_group(group, success, NULL, &job); + + mali_executor_unlock(); + + if (NULL != job) { + /* Notify user space and close the job object */ + mali_scheduler_complete_pp_job(job, + num_physical_pp_cores_total, + MALI_TRUE, MALI_TRUE); + } + } + + return _MALI_OSK_ERR_OK; +} + +_mali_osk_errcode_t mali_executor_interrupt_mmu(struct mali_group *group, + mali_bool in_upper_half) +{ + enum mali_interrupt_result int_result; + + MALI_DEBUG_PRINT(4, ("Executor: MMU interrupt from %s in %s half\n", + mali_group_core_description(group), + in_upper_half ? "upper" : "bottom")); + + mali_executor_lock(); + if (!mali_group_is_working(group)) { + /* Not working, so nothing to do */ + mali_executor_unlock(); + return _MALI_OSK_ERR_FAULT; + } + + MALI_DEBUG_ASSERT_EXECUTOR_LOCK_HELD(); + MALI_DEBUG_ASSERT(mali_group_is_working(group)); + + int_result = mali_group_get_interrupt_result_mmu(group); + if (MALI_INTERRUPT_RESULT_NONE == int_result) { + mali_executor_unlock(); + return _MALI_OSK_ERR_FAULT; + } + +#if defined(CONFIG_MALI_SHARED_INTERRUPTS) + if (MALI_INTERRUPT_RESULT_NONE == int_result) { + /* No interrupts signalled, so nothing to do */ + mali_executor_unlock(); + return _MALI_OSK_ERR_FAULT; + } +#else + MALI_DEBUG_ASSERT(MALI_INTERRUPT_RESULT_ERROR == int_result); +#endif + + /* We should now have a real interrupt to handle */ + + if (in_upper_half) { + /* Don't bother to do processing of errors in upper half */ + + struct mali_group *parent = group->parent_group; + + mali_mmu_mask_all_interrupts(group->mmu); + + mali_executor_unlock(); + + if (NULL == parent) { + mali_group_schedule_bottom_half_mmu(group); + } else { + mali_group_schedule_bottom_half_mmu(parent); + } + + } else { + struct mali_gp_job *gp_job = NULL; + struct mali_pp_job *pp_job = NULL; + +#ifdef DEBUG + + u32 fault_address = mali_mmu_get_page_fault_addr(group->mmu); + u32 status = mali_mmu_get_status(group->mmu); + MALI_DEBUG_PRINT(2, ("Executor: Mali page fault detected at 0x%x from bus id %d of type %s on %s\n", + (void *)(uintptr_t)fault_address, + (status >> 6) & 0x1F, + (status & 32) ? "write" : "read", + group->mmu->hw_core.description)); + MALI_DEBUG_PRINT(3, ("Executor: MMU rawstat = 0x%08X, MMU status = 0x%08X\n", + mali_mmu_get_rawstat(group->mmu), status)); + mali_mmu_pagedir_diag(mali_session_get_page_directory(group->session), fault_address); +#endif + + mali_executor_complete_group(group, MALI_FALSE, &gp_job, &pp_job); + + mali_executor_unlock(); + + if (NULL != gp_job) { + MALI_DEBUG_ASSERT(NULL == pp_job); + + /* Notify user space and close the job object */ + mali_scheduler_complete_gp_job(gp_job, MALI_FALSE, + MALI_TRUE, MALI_TRUE); + } else if (NULL != pp_job) { + MALI_DEBUG_ASSERT(NULL == gp_job); + + /* Notify user space and close the job object */ + mali_scheduler_complete_pp_job(pp_job, + num_physical_pp_cores_total, + MALI_TRUE, MALI_TRUE); + } + } + + return _MALI_OSK_ERR_OK; +} + +void mali_executor_group_oom(struct mali_group *group) +{ + struct mali_gp_job *job = NULL; + MALI_DEBUG_ASSERT_POINTER(group); + MALI_DEBUG_ASSERT_POINTER(group->gp_core); + MALI_DEBUG_ASSERT_POINTER(group->mmu); + + mali_executor_lock(); + + job = mali_group_get_running_gp_job(group); + + MALI_DEBUG_ASSERT_POINTER(job); + +#if defined(CONFIG_MALI400_PROFILING) + /* Give group a chance to generate a SUSPEND event */ + mali_group_oom(group); +#endif + + mali_gp_job_set_current_heap_addr(job, mali_gp_read_plbu_alloc_start_addr(group->gp_core)); + + mali_executor_unlock(); + + if (_MALI_OSK_ERR_OK == mali_mem_add_mem_size(job->session, job->heap_base_addr, job->heap_grow_size)) { + _mali_osk_notification_t *new_notification = NULL; + + new_notification = _mali_osk_notification_create( + _MALI_NOTIFICATION_GP_STALLED, + sizeof(_mali_uk_gp_job_suspended_s)); + + /* resume job with new heap, + * This will also re-enable interrupts + */ + mali_executor_lock(); + + mali_executor_send_gp_oom_to_user(job, job->heap_grow_size); + + if (NULL != new_notification) { + + mali_gp_job_set_oom_notification(job, new_notification); + + mali_group_resume_gp_with_new_heap(group, mali_gp_job_get_id(job), + job->heap_current_addr, + job->heap_current_addr + job->heap_grow_size); + } + mali_executor_unlock(); + } else { + mali_executor_lock(); + mali_executor_send_gp_oom_to_user(job, 0); + mali_executor_unlock(); + } + +} + +void mali_executor_group_power_up(struct mali_group *groups[], u32 num_groups) +{ + u32 i; + mali_bool child_groups_activated = MALI_FALSE; + mali_bool do_schedule = MALI_FALSE; +#if defined(DEBUG) + u32 num_activated = 0; +#endif + + MALI_DEBUG_ASSERT_POINTER(groups); + MALI_DEBUG_ASSERT(0 < num_groups); + + mali_executor_lock(); + + MALI_DEBUG_PRINT(3, ("Executor: powering up %u groups\n", num_groups)); + + for (i = 0; i < num_groups; i++) { + MALI_DEBUG_PRINT(3, ("Executor: powering up group %s\n", + mali_group_core_description(groups[i]))); + + mali_group_power_up(groups[i]); + + if ((MALI_GROUP_STATE_ACTIVATION_PENDING != mali_group_get_state(groups[i]) || + (MALI_TRUE != mali_executor_group_is_in_state(groups[i], EXEC_STATE_INACTIVE)))) { + /* nothing more to do for this group */ + continue; + } + + MALI_DEBUG_PRINT(3, ("Executor: activating group %s\n", + mali_group_core_description(groups[i]))); + +#if defined(DEBUG) + num_activated++; +#endif + + if (mali_group_is_in_virtual(groups[i])) { + /* + * At least one child group of virtual group is powered on. + */ + child_groups_activated = MALI_TRUE; + } else if (MALI_FALSE == mali_group_is_virtual(groups[i])) { + /* Set gp and pp not in virtual to active. */ + mali_group_set_active(groups[i]); + } + + /* Move group from inactive to idle list */ + if (groups[i] == gp_group) { + MALI_DEBUG_ASSERT(EXEC_STATE_INACTIVE == + gp_group_state); + gp_group_state = EXEC_STATE_IDLE; + } else if (MALI_FALSE == mali_group_is_in_virtual(groups[i]) + && MALI_FALSE == mali_group_is_virtual(groups[i])) { + MALI_DEBUG_ASSERT(MALI_TRUE == mali_executor_group_is_in_state(groups[i], + EXEC_STATE_INACTIVE)); + + mali_executor_change_state_pp_physical(groups[i], + &group_list_inactive, + &group_list_inactive_count, + &group_list_idle, + &group_list_idle_count); + } + + do_schedule = MALI_TRUE; + } + + if (mali_executor_has_virtual_group() && + MALI_TRUE == child_groups_activated && + MALI_GROUP_STATE_ACTIVATION_PENDING == + mali_group_get_state(virtual_group)) { + /* + * Try to active virtual group while it may be not sucessful every time, + * because there is one situation that not all of child groups are powered on + * in one time and virtual group is in activation pending state. + */ + if (mali_group_set_active(virtual_group)) { + /* Move group from inactive to idle */ + MALI_DEBUG_ASSERT(EXEC_STATE_INACTIVE == + virtual_group_state); + virtual_group_state = EXEC_STATE_IDLE; + + MALI_DEBUG_PRINT(3, ("Executor: powering up %u groups completed, %u physical activated, 1 virtual activated.\n", num_groups, num_activated)); + } else { + MALI_DEBUG_PRINT(3, ("Executor: powering up %u groups completed, %u physical activated\n", num_groups, num_activated)); + } + } else { + MALI_DEBUG_PRINT(3, ("Executor: powering up %u groups completed, %u physical activated\n", num_groups, num_activated)); + } + + if (MALI_TRUE == do_schedule) { + /* Trigger a schedule */ + mali_executor_schedule(); + } + + mali_executor_unlock(); +} + +void mali_executor_group_power_down(struct mali_group *groups[], + u32 num_groups) +{ + u32 i; + + MALI_DEBUG_ASSERT_POINTER(groups); + MALI_DEBUG_ASSERT(0 < num_groups); + + mali_executor_lock(); + + MALI_DEBUG_PRINT(3, ("Executor: powering down %u groups\n", num_groups)); + + for (i = 0; i < num_groups; i++) { + /* Groups must be either disabled or inactive. while for virtual group, + * it maybe in empty state, because when we meet pm_runtime_suspend, + * virtual group could be powered off, and before we acquire mali_executor_lock, + * we must release mali_pm_state_lock, if there is a new physical job was queued, + * all of physical groups in virtual group could be pulled out, so we only can + * powered down an empty virtual group. Those physical groups will be powered + * up in following pm_runtime_resume callback function. + */ + MALI_DEBUG_ASSERT(mali_executor_group_is_in_state(groups[i], + EXEC_STATE_DISABLED) || + mali_executor_group_is_in_state(groups[i], + EXEC_STATE_INACTIVE) || + mali_executor_group_is_in_state(groups[i], + EXEC_STATE_EMPTY)); + + MALI_DEBUG_PRINT(3, ("Executor: powering down group %s\n", + mali_group_core_description(groups[i]))); + + mali_group_power_down(groups[i]); + } + + MALI_DEBUG_PRINT(3, ("Executor: powering down %u groups completed\n", num_groups)); + + mali_executor_unlock(); +} + +void mali_executor_abort_session(struct mali_session_data *session) +{ + struct mali_group *group; + struct mali_group *tmp_group; + + MALI_DEBUG_ASSERT_POINTER(session); + MALI_DEBUG_ASSERT(session->is_aborting); + + MALI_DEBUG_PRINT(3, + ("Executor: Aborting all jobs from session 0x%08X.\n", + session)); + + mali_executor_lock(); + + if (mali_group_get_session(gp_group) == session) { + if (EXEC_STATE_WORKING == gp_group_state) { + struct mali_gp_job *gp_job = NULL; + + mali_executor_complete_group(gp_group, MALI_FALSE, &gp_job, NULL); + + MALI_DEBUG_ASSERT_POINTER(gp_job); + + /* GP job completed, make sure it is freed */ + mali_scheduler_complete_gp_job(gp_job, MALI_FALSE, + MALI_FALSE, MALI_TRUE); + } else { + /* Same session, but not working, so just clear it */ + mali_group_clear_session(gp_group); + } + } + + if (mali_executor_has_virtual_group()) { + if (EXEC_STATE_WORKING == virtual_group_state + && mali_group_get_session(virtual_group) == session) { + struct mali_pp_job *pp_job = NULL; + + mali_executor_complete_group(virtual_group, MALI_FALSE, NULL, &pp_job); + + if (NULL != pp_job) { + /* PP job completed, make sure it is freed */ + mali_scheduler_complete_pp_job(pp_job, 0, + MALI_FALSE, MALI_TRUE); + } + } + } + + _MALI_OSK_LIST_FOREACHENTRY(group, tmp_group, &group_list_working, + struct mali_group, executor_list) { + if (mali_group_get_session(group) == session) { + struct mali_pp_job *pp_job = NULL; + + mali_executor_complete_group(group, MALI_FALSE, NULL, &pp_job); + + if (NULL != pp_job) { + /* PP job completed, make sure it is freed */ + mali_scheduler_complete_pp_job(pp_job, 0, + MALI_FALSE, MALI_TRUE); + } + } + } + + _MALI_OSK_LIST_FOREACHENTRY(group, tmp_group, &group_list_idle, struct mali_group, executor_list) { + mali_group_clear_session(group); + } + + _MALI_OSK_LIST_FOREACHENTRY(group, tmp_group, &group_list_inactive, struct mali_group, executor_list) { + mali_group_clear_session(group); + } + + _MALI_OSK_LIST_FOREACHENTRY(group, tmp_group, &group_list_disabled, struct mali_group, executor_list) { + mali_group_clear_session(group); + } + + mali_executor_unlock(); +} + + +void mali_executor_core_scaling_enable(void) +{ + /* PS: Core scaling is by default enabled */ + core_scaling_enabled = MALI_TRUE; +} + +void mali_executor_core_scaling_disable(void) +{ + core_scaling_enabled = MALI_FALSE; +} + +mali_bool mali_executor_core_scaling_is_enabled(void) +{ + return core_scaling_enabled; +} + +void mali_executor_group_enable(struct mali_group *group) +{ + MALI_DEBUG_ASSERT_POINTER(group); + + mali_executor_lock(); + + if ((NULL != mali_group_get_gp_core(group) || NULL != mali_group_get_pp_core(group)) + && (mali_executor_group_is_in_state(group, EXEC_STATE_DISABLED))) { + mali_executor_group_enable_internal(group); + } + + mali_executor_schedule(); + mali_executor_unlock(); + + _mali_osk_wq_schedule_work(executor_wq_notify_core_change); +} + +/* + * If a physical group is inactive or idle, we should disable it immediately, + * if group is in virtual, and virtual group is idle, disable given physical group in it. + */ +void mali_executor_group_disable(struct mali_group *group) +{ + MALI_DEBUG_ASSERT_POINTER(group); + + mali_executor_lock(); + + if ((NULL != mali_group_get_gp_core(group) || NULL != mali_group_get_pp_core(group)) + && (!mali_executor_group_is_in_state(group, EXEC_STATE_DISABLED))) { + mali_executor_group_disable_internal(group); + } + + mali_executor_schedule(); + mali_executor_unlock(); + + _mali_osk_wq_schedule_work(executor_wq_notify_core_change); +} + +mali_bool mali_executor_group_is_disabled(struct mali_group *group) +{ + /* NB: This function is not optimized for time critical usage */ + + mali_bool ret; + + MALI_DEBUG_ASSERT_POINTER(group); + + mali_executor_lock(); + ret = mali_executor_group_is_in_state(group, EXEC_STATE_DISABLED); + mali_executor_unlock(); + + return ret; +} + +int mali_executor_set_perf_level(unsigned int target_core_nr, mali_bool override) +{ + if (target_core_nr == num_physical_pp_cores_enabled) return 0; + if (MALI_FALSE == core_scaling_enabled && MALI_FALSE == override) return -EPERM; + if (target_core_nr > num_physical_pp_cores_total) return -EINVAL; + if (0 == target_core_nr) return -EINVAL; + + mali_executor_core_scale(target_core_nr); + + _mali_osk_wq_schedule_work(executor_wq_notify_core_change); + + return 0; +} + +#if MALI_STATE_TRACKING +u32 mali_executor_dump_state(char *buf, u32 size) +{ + int n = 0; + struct mali_group *group; + struct mali_group *temp; + + mali_executor_lock(); + + switch (gp_group_state) { + case EXEC_STATE_INACTIVE: + n += _mali_osk_snprintf(buf + n, size - n, + "GP group is in state INACTIVE\n"); + break; + case EXEC_STATE_IDLE: + n += _mali_osk_snprintf(buf + n, size - n, + "GP group is in state IDLE\n"); + break; + case EXEC_STATE_WORKING: + n += _mali_osk_snprintf(buf + n, size - n, + "GP group is in state WORKING\n"); + break; + default: + n += _mali_osk_snprintf(buf + n, size - n, + "GP group is in unknown/illegal state %u\n", + gp_group_state); + break; + } + + n += mali_group_dump_state(gp_group, buf + n, size - n); + + n += _mali_osk_snprintf(buf + n, size - n, + "Physical PP groups in WORKING state (count = %u):\n", + group_list_working_count); + + _MALI_OSK_LIST_FOREACHENTRY(group, temp, &group_list_working, struct mali_group, executor_list) { + n += mali_group_dump_state(group, buf + n, size - n); + } + + n += _mali_osk_snprintf(buf + n, size - n, + "Physical PP groups in IDLE state (count = %u):\n", + group_list_idle_count); + + _MALI_OSK_LIST_FOREACHENTRY(group, temp, &group_list_idle, struct mali_group, executor_list) { + n += mali_group_dump_state(group, buf + n, size - n); + } + + n += _mali_osk_snprintf(buf + n, size - n, + "Physical PP groups in INACTIVE state (count = %u):\n", + group_list_inactive_count); + + _MALI_OSK_LIST_FOREACHENTRY(group, temp, &group_list_inactive, struct mali_group, executor_list) { + n += mali_group_dump_state(group, buf + n, size - n); + } + + n += _mali_osk_snprintf(buf + n, size - n, + "Physical PP groups in DISABLED state (count = %u):\n", + group_list_disabled_count); + + _MALI_OSK_LIST_FOREACHENTRY(group, temp, &group_list_disabled, struct mali_group, executor_list) { + n += mali_group_dump_state(group, buf + n, size - n); + } + + if (mali_executor_has_virtual_group()) { + switch (virtual_group_state) { + case EXEC_STATE_EMPTY: + n += _mali_osk_snprintf(buf + n, size - n, + "Virtual PP group is in state EMPTY\n"); + break; + case EXEC_STATE_INACTIVE: + n += _mali_osk_snprintf(buf + n, size - n, + "Virtual PP group is in state INACTIVE\n"); + break; + case EXEC_STATE_IDLE: + n += _mali_osk_snprintf(buf + n, size - n, + "Virtual PP group is in state IDLE\n"); + break; + case EXEC_STATE_WORKING: + n += _mali_osk_snprintf(buf + n, size - n, + "Virtual PP group is in state WORKING\n"); + break; + default: + n += _mali_osk_snprintf(buf + n, size - n, + "Virtual PP group is in unknown/illegal state %u\n", + virtual_group_state); + break; + } + + n += mali_group_dump_state(virtual_group, buf + n, size - n); + } + + mali_executor_unlock(); + + n += _mali_osk_snprintf(buf + n, size - n, "\n"); + + return n; +} +#endif + +_mali_osk_errcode_t _mali_ukk_get_pp_number_of_cores(_mali_uk_get_pp_number_of_cores_s *args) +{ + MALI_DEBUG_ASSERT_POINTER(args); + MALI_DEBUG_ASSERT(NULL != (void *)(uintptr_t)args->ctx); + args->number_of_total_cores = num_physical_pp_cores_total; + args->number_of_enabled_cores = num_physical_pp_cores_enabled; + return _MALI_OSK_ERR_OK; +} + +_mali_osk_errcode_t _mali_ukk_get_pp_core_version(_mali_uk_get_pp_core_version_s *args) +{ + MALI_DEBUG_ASSERT_POINTER(args); + MALI_DEBUG_ASSERT(NULL != (void *)(uintptr_t)args->ctx); + args->version = pp_version; + return _MALI_OSK_ERR_OK; +} + +_mali_osk_errcode_t _mali_ukk_get_gp_number_of_cores(_mali_uk_get_gp_number_of_cores_s *args) +{ + MALI_DEBUG_ASSERT_POINTER(args); + MALI_DEBUG_ASSERT(NULL != (void *)(uintptr_t)args->ctx); + args->number_of_cores = 1; + return _MALI_OSK_ERR_OK; +} + +_mali_osk_errcode_t _mali_ukk_get_gp_core_version(_mali_uk_get_gp_core_version_s *args) +{ + MALI_DEBUG_ASSERT_POINTER(args); + MALI_DEBUG_ASSERT(NULL != (void *)(uintptr_t)args->ctx); + args->version = gp_version; + return _MALI_OSK_ERR_OK; +} + +_mali_osk_errcode_t _mali_ukk_gp_suspend_response(_mali_uk_gp_suspend_response_s *args) +{ + struct mali_session_data *session; + struct mali_gp_job *job; + + MALI_DEBUG_ASSERT_POINTER(args); + MALI_DEBUG_ASSERT(NULL != (void *)(uintptr_t)args->ctx); + + session = (struct mali_session_data *)(uintptr_t)args->ctx; + + if (_MALIGP_JOB_RESUME_WITH_NEW_HEAP == args->code) { + _mali_osk_notification_t *new_notification = NULL; + + new_notification = _mali_osk_notification_create( + _MALI_NOTIFICATION_GP_STALLED, + sizeof(_mali_uk_gp_job_suspended_s)); + + if (NULL != new_notification) { + MALI_DEBUG_PRINT(3, ("Executor: Resuming job %u with new heap; 0x%08X - 0x%08X\n", + args->cookie, args->arguments[0], args->arguments[1])); + + mali_executor_lock(); + + /* Resume the job in question if it is still running */ + job = mali_group_get_running_gp_job(gp_group); + if (NULL != job && + args->cookie == mali_gp_job_get_id(job) && + session == mali_gp_job_get_session(job)) { + /* + * Correct job is running, resume with new heap + */ + + mali_gp_job_set_oom_notification(job, + new_notification); + + /* This will also re-enable interrupts */ + mali_group_resume_gp_with_new_heap(gp_group, + args->cookie, + args->arguments[0], + args->arguments[1]); + + job->heap_base_addr = args->arguments[0]; + job->heap_current_addr = args->arguments[0]; + + mali_executor_unlock(); + return _MALI_OSK_ERR_OK; + } else { + MALI_PRINT_ERROR(("Executor: Unable to resume, GP job no longer running.\n")); + + _mali_osk_notification_delete(new_notification); + + mali_executor_unlock(); + return _MALI_OSK_ERR_FAULT; + } + } else { + MALI_PRINT_ERROR(("Executor: Failed to allocate notification object. Will abort GP job.\n")); + } + } else { + MALI_DEBUG_PRINT(2, ("Executor: Aborting job %u, no new heap provided\n", args->cookie)); + } + + mali_executor_lock(); + + /* Abort the job in question if it is still running */ + job = mali_group_get_running_gp_job(gp_group); + if (NULL != job && + args->cookie == mali_gp_job_get_id(job) && + session == mali_gp_job_get_session(job)) { + /* Correct job is still running */ + struct mali_gp_job *job_done = NULL; + + mali_executor_complete_group(gp_group, MALI_FALSE, &job_done, NULL); + + /* The same job should have completed */ + MALI_DEBUG_ASSERT(job_done == job); + + /* GP job completed, make sure it is freed */ + mali_scheduler_complete_gp_job(job_done, MALI_FALSE, + MALI_TRUE, MALI_TRUE); + } + + mali_executor_unlock(); + return _MALI_OSK_ERR_FAULT; +} + + +/* + * ---------- Implementation of static functions ---------- + */ + +void mali_executor_lock(void) +{ + _mali_osk_spinlock_irq_lock(mali_executor_lock_obj); + MALI_DEBUG_PRINT(5, ("Executor: lock taken\n")); +} + +void mali_executor_unlock(void) +{ + MALI_DEBUG_PRINT(5, ("Executor: Releasing lock\n")); + _mali_osk_spinlock_irq_unlock(mali_executor_lock_obj); +} + +static mali_bool mali_executor_is_suspended(void *data) +{ + mali_bool ret; + + /* This callback does not use the data pointer. */ + MALI_IGNORE(data); + + mali_executor_lock(); + + ret = pause_count > 0 && !mali_executor_is_working(); + + mali_executor_unlock(); + + return ret; +} + +static mali_bool mali_executor_is_working() +{ + MALI_DEBUG_ASSERT_EXECUTOR_LOCK_HELD(); + + return (0 != group_list_working_count || + EXEC_STATE_WORKING == gp_group_state || + EXEC_STATE_WORKING == virtual_group_state); +} + +static void mali_executor_disable_empty_virtual(void) +{ + MALI_DEBUG_ASSERT_EXECUTOR_LOCK_HELD(); + MALI_DEBUG_ASSERT(virtual_group_state != EXEC_STATE_EMPTY); + MALI_DEBUG_ASSERT(virtual_group_state != EXEC_STATE_WORKING); + + if (mali_group_is_empty(virtual_group)) { + virtual_group_state = EXEC_STATE_EMPTY; + } +} + +static mali_bool mali_executor_physical_rejoin_virtual(struct mali_group *group) +{ + mali_bool trigger_pm_update = MALI_FALSE; + + MALI_DEBUG_ASSERT_POINTER(group); + /* Only rejoining after job has completed (still active) */ + MALI_DEBUG_ASSERT(MALI_GROUP_STATE_ACTIVE == + mali_group_get_state(group)); + MALI_DEBUG_ASSERT_EXECUTOR_LOCK_HELD(); + MALI_DEBUG_ASSERT(MALI_TRUE == mali_executor_has_virtual_group()); + MALI_DEBUG_ASSERT(MALI_FALSE == mali_group_is_virtual(group)); + + /* Make sure group and virtual group have same status */ + + if (MALI_GROUP_STATE_INACTIVE == mali_group_get_state(virtual_group)) { + if (mali_group_deactivate(group)) { + trigger_pm_update = MALI_TRUE; + } + + if (virtual_group_state == EXEC_STATE_EMPTY) { + virtual_group_state = EXEC_STATE_INACTIVE; + } + } else if (MALI_GROUP_STATE_ACTIVATION_PENDING == + mali_group_get_state(virtual_group)) { + /* + * Activation is pending for virtual group, leave + * this child group as active. + */ + if (virtual_group_state == EXEC_STATE_EMPTY) { + virtual_group_state = EXEC_STATE_INACTIVE; + } + } else { + MALI_DEBUG_ASSERT(MALI_GROUP_STATE_ACTIVE == + mali_group_get_state(virtual_group)); + + if (virtual_group_state == EXEC_STATE_EMPTY) { + virtual_group_state = EXEC_STATE_IDLE; + } + } + + /* Remove group from idle list */ + MALI_DEBUG_ASSERT(mali_executor_group_is_in_state(group, + EXEC_STATE_IDLE)); + _mali_osk_list_delinit(&group->executor_list); + group_list_idle_count--; + + /* + * And finally rejoin the virtual group + * group will start working on same job as virtual_group, + * if virtual_group is working on a job + */ + mali_group_add_group(virtual_group, group); + + return trigger_pm_update; +} + +static mali_bool mali_executor_has_virtual_group(void) +{ +#if (defined(CONFIG_MALI450) || defined(CONFIG_MALI470)) + return (NULL != virtual_group) ? MALI_TRUE : MALI_FALSE; +#else + return MALI_FALSE; +#endif /* (defined(CONFIG_MALI450) || defined(CONFIG_MALI470)) */ +} + +static mali_bool mali_executor_virtual_group_is_usable(void) +{ +#if (defined(CONFIG_MALI450) || defined(CONFIG_MALI470)) + MALI_DEBUG_ASSERT_EXECUTOR_LOCK_HELD(); + return ((EXEC_STATE_INACTIVE == virtual_group_state || + EXEC_STATE_IDLE == virtual_group_state) && (virtual_group->state != MALI_GROUP_STATE_ACTIVATION_PENDING)) ? + MALI_TRUE : MALI_FALSE; +#else + return MALI_FALSE; +#endif /* (defined(CONFIG_MALI450) || defined(CONFIG_MALI470)) */ +} + +static mali_bool mali_executor_tackle_gp_bound(void) +{ + struct mali_pp_job *job; + + MALI_DEBUG_ASSERT_EXECUTOR_LOCK_HELD(); + + job = mali_scheduler_job_pp_physical_peek(); + + if (NULL != job && MALI_TRUE == mali_is_mali400()) { + if (0 < group_list_working_count && + mali_pp_job_is_large_and_unstarted(job)) { + return MALI_TRUE; + } + } + + return MALI_FALSE; +} + +/* + * This is where jobs are actually started. + */ +static void mali_executor_schedule(void) +{ + u32 i; + u32 num_physical_needed = 0; + u32 num_physical_to_process = 0; + mali_bool trigger_pm_update = MALI_FALSE; + mali_bool deactivate_idle_group = MALI_TRUE; + + /* Physical groups + jobs to start in this function */ + struct mali_group *groups_to_start[MALI_MAX_NUMBER_OF_PHYSICAL_PP_GROUPS]; + struct mali_pp_job *jobs_to_start[MALI_MAX_NUMBER_OF_PHYSICAL_PP_GROUPS]; + u32 sub_jobs_to_start[MALI_MAX_NUMBER_OF_PHYSICAL_PP_GROUPS]; + int num_jobs_to_start = 0; + + /* Virtual job to start in this function */ + struct mali_pp_job *virtual_job_to_start = NULL; + + /* GP job to start in this function */ + struct mali_gp_job *gp_job_to_start = NULL; + + MALI_DEBUG_ASSERT_EXECUTOR_LOCK_HELD(); + + if (pause_count > 0) { + /* Execution is suspended, don't schedule any jobs. */ + return; + } + + /* Lock needed in order to safely handle the job queues */ + mali_scheduler_lock(); + + /* 1. Activate gp firstly if have gp job queued. */ + if (EXEC_STATE_INACTIVE == gp_group_state && + 0 < mali_scheduler_job_gp_count()) { + + enum mali_group_state state = + mali_group_activate(gp_group); + if (MALI_GROUP_STATE_ACTIVE == state) { + /* Set GP group state to idle */ + gp_group_state = EXEC_STATE_IDLE; + } else { + trigger_pm_update = MALI_TRUE; + } + } + + /* 2. Prepare as many physical groups as needed/possible */ + + num_physical_needed = mali_scheduler_job_physical_head_count(); + + /* On mali-450 platform, we don't need to enter in this block frequently. */ + if (0 < num_physical_needed) { + + if (num_physical_needed <= group_list_idle_count) { + /* We have enough groups on idle list already */ + num_physical_to_process = num_physical_needed; + num_physical_needed = 0; + } else { + /* We need to get a hold of some more groups */ + num_physical_to_process = group_list_idle_count; + num_physical_needed -= group_list_idle_count; + } + + if (0 < num_physical_needed) { + + /* 2.1. Activate groups which are inactive */ + + struct mali_group *group; + struct mali_group *temp; + + _MALI_OSK_LIST_FOREACHENTRY(group, temp, &group_list_inactive, + struct mali_group, executor_list) { + enum mali_group_state state = + mali_group_activate(group); + if (MALI_GROUP_STATE_ACTIVE == state) { + /* Move from inactive to idle */ + mali_executor_change_state_pp_physical(group, + &group_list_inactive, + &group_list_inactive_count, + &group_list_idle, + &group_list_idle_count); + num_physical_to_process++; + } else { + trigger_pm_update = MALI_TRUE; + } + + num_physical_needed--; + if (0 == num_physical_needed) { + /* We have activated all the groups we need */ + break; + } + } + } + + if (mali_executor_virtual_group_is_usable()) { + + /* + * 2.2. And finally, steal and activate groups + * from virtual group if we need even more + */ + while (0 < num_physical_needed) { + struct mali_group *group; + + group = mali_group_acquire_group(virtual_group); + if (NULL != group) { + enum mali_group_state state; + + mali_executor_disable_empty_virtual(); + + state = mali_group_activate(group); + if (MALI_GROUP_STATE_ACTIVE == state) { + /* Group is ready, add to idle list */ + _mali_osk_list_add( + &group->executor_list, + &group_list_idle); + group_list_idle_count++; + num_physical_to_process++; + } else { + /* + * Group is not ready yet, + * add to inactive list + */ + _mali_osk_list_add( + &group->executor_list, + &group_list_inactive); + group_list_inactive_count++; + + trigger_pm_update = MALI_TRUE; + } + num_physical_needed--; + } else { + /* + * We could not get enough groups + * from the virtual group. + */ + break; + } + } + } + + /* 2.3. Assign physical jobs to groups */ + + if (0 < num_physical_to_process) { + struct mali_group *group; + struct mali_group *temp; + + _MALI_OSK_LIST_FOREACHENTRY(group, temp, &group_list_idle, + struct mali_group, executor_list) { + struct mali_pp_job *job = NULL; + u32 sub_job = MALI_MAX_NUMBER_OF_PHYSICAL_PP_GROUPS; + + MALI_DEBUG_ASSERT(num_jobs_to_start < + MALI_MAX_NUMBER_OF_PHYSICAL_PP_GROUPS); + + MALI_DEBUG_ASSERT(0 < + mali_scheduler_job_physical_head_count()); + + if (mali_executor_hint_is_enabled( + MALI_EXECUTOR_HINT_GP_BOUND)) { + if (MALI_TRUE == mali_executor_tackle_gp_bound()) { + /* + * We're gp bound, + * don't start this right now. + */ + deactivate_idle_group = MALI_FALSE; + num_physical_to_process = 0; + break; + } + } + + job = mali_scheduler_job_pp_physical_get( + &sub_job); + + MALI_DEBUG_ASSERT_POINTER(job); + MALI_DEBUG_ASSERT(sub_job <= MALI_MAX_NUMBER_OF_PHYSICAL_PP_GROUPS); + + /* Put job + group on list of jobs to start later on */ + + groups_to_start[num_jobs_to_start] = group; + jobs_to_start[num_jobs_to_start] = job; + sub_jobs_to_start[num_jobs_to_start] = sub_job; + num_jobs_to_start++; + + /* Move group from idle to working */ + mali_executor_change_state_pp_physical(group, + &group_list_idle, + &group_list_idle_count, + &group_list_working, + &group_list_working_count); + + num_physical_to_process--; + if (0 == num_physical_to_process) { + /* Got all we needed */ + break; + } + } + } + } + + + /* 3. Deactivate idle pp group , must put deactive here before active vitual group + * for cover case first only has physical job in normal queue but group inactive, + * so delay the job start go to active group, when group activated, + * call scheduler again, but now if we get high queue virtual job, + * we will do nothing in schedule cause executor schedule stop + */ + + if (MALI_TRUE == mali_executor_deactivate_list_idle(deactivate_idle_group + && (!mali_timeline_has_physical_pp_job()))) { + trigger_pm_update = MALI_TRUE; + } + + /* 4. Activate virtual group, if needed */ + + if (EXEC_STATE_INACTIVE == virtual_group_state && + 0 < mali_scheduler_job_next_is_virtual()) { + enum mali_group_state state = + mali_group_activate(virtual_group); + if (MALI_GROUP_STATE_ACTIVE == state) { + /* Set virtual group state to idle */ + virtual_group_state = EXEC_STATE_IDLE; + } else { + trigger_pm_update = MALI_TRUE; + } + } + + /* 5. To power up group asap, we trigger pm update here. */ + + if (MALI_TRUE == trigger_pm_update) { + trigger_pm_update = MALI_FALSE; + mali_pm_update_async(); + } + + /* 6. Assign jobs to idle virtual group (or deactivate if no job) */ + + if (EXEC_STATE_IDLE == virtual_group_state) { + if (0 < mali_scheduler_job_next_is_virtual()) { + virtual_job_to_start = + mali_scheduler_job_pp_virtual_get(); + virtual_group_state = EXEC_STATE_WORKING; + } else if (!mali_timeline_has_virtual_pp_job()) { + virtual_group_state = EXEC_STATE_INACTIVE; + + if (mali_group_deactivate(virtual_group)) { + trigger_pm_update = MALI_TRUE; + } + } + } + + /* 7. Assign job to idle GP group (or deactivate if no job) */ + + if (EXEC_STATE_IDLE == gp_group_state) { + if (0 < mali_scheduler_job_gp_count()) { + gp_job_to_start = mali_scheduler_job_gp_get(); + gp_group_state = EXEC_STATE_WORKING; + } else if (!mali_timeline_has_gp_job()) { + gp_group_state = EXEC_STATE_INACTIVE; + if (mali_group_deactivate(gp_group)) { + trigger_pm_update = MALI_TRUE; + } + } + } + + /* 8. We no longer need the schedule/queue lock */ + + mali_scheduler_unlock(); + + /* 9. start jobs */ + + if (NULL != virtual_job_to_start) { + MALI_DEBUG_ASSERT(!mali_group_pp_is_active(virtual_group)); + mali_group_start_pp_job(virtual_group, + virtual_job_to_start, 0); + } + + for (i = 0; i < num_jobs_to_start; i++) { + MALI_DEBUG_ASSERT(!mali_group_pp_is_active( + groups_to_start[i])); + mali_group_start_pp_job(groups_to_start[i], + jobs_to_start[i], + sub_jobs_to_start[i]); + } + + MALI_DEBUG_ASSERT_POINTER(gp_group); + + if (NULL != gp_job_to_start) { + MALI_DEBUG_ASSERT(!mali_group_gp_is_active(gp_group)); + mali_group_start_gp_job(gp_group, gp_job_to_start); + } + + /* 10. Trigger any pending PM updates */ + if (MALI_TRUE == trigger_pm_update) { + mali_pm_update_async(); + } +} + +/* Handler for deferred schedule requests */ +static void mali_executor_wq_schedule(void *arg) +{ + MALI_IGNORE(arg); + mali_executor_lock(); + mali_executor_schedule(); + mali_executor_unlock(); +} + +static void mali_executor_send_gp_oom_to_user(struct mali_gp_job *job, u32 added_size) +{ + _mali_uk_gp_job_suspended_s *jobres; + _mali_osk_notification_t *notification; + + notification = mali_gp_job_get_oom_notification(job); + + /* + * Remember the id we send to user space, so we have something to + * verify when we get a response + */ + gp_returned_cookie = mali_gp_job_get_id(job); + + jobres = (_mali_uk_gp_job_suspended_s *)notification->result_buffer; + jobres->user_job_ptr = mali_gp_job_get_user_id(job); + jobres->cookie = gp_returned_cookie; + jobres->heap_added_size = added_size; + mali_session_send_notification(mali_gp_job_get_session(job), + notification); +} +static struct mali_gp_job *mali_executor_complete_gp(struct mali_group *group, + mali_bool success) +{ + struct mali_gp_job *job; + + MALI_DEBUG_ASSERT_EXECUTOR_LOCK_HELD(); + + /* Extracts the needed HW status from core and reset */ + job = mali_group_complete_gp(group, success); + + MALI_DEBUG_ASSERT_POINTER(job); + + /* Core is now ready to go into idle list */ + gp_group_state = EXEC_STATE_IDLE; + + /* This will potentially queue more GP and PP jobs */ + mali_timeline_tracker_release(&job->tracker); + + /* Signal PP job */ + mali_gp_job_signal_pp_tracker(job, success); + + return job; +} + +static struct mali_pp_job *mali_executor_complete_pp(struct mali_group *group, + mali_bool success) +{ + struct mali_pp_job *job; + u32 sub_job; + mali_bool job_is_done; + + MALI_DEBUG_ASSERT_EXECUTOR_LOCK_HELD(); + + /* Extracts the needed HW status from core and reset */ + job = mali_group_complete_pp(group, success, &sub_job); + + MALI_DEBUG_ASSERT_POINTER(job); + + /* Core is now ready to go into idle list */ + if (mali_group_is_virtual(group)) { + virtual_group_state = EXEC_STATE_IDLE; + } else { + /* Move from working to idle state */ + mali_executor_change_state_pp_physical(group, + &group_list_working, + &group_list_working_count, + &group_list_idle, + &group_list_idle_count); + } + + /* It is the executor module which owns the jobs themselves by now */ + mali_pp_job_mark_sub_job_completed(job, success); + job_is_done = mali_pp_job_is_complete(job); + + if (job_is_done) { + /* This will potentially queue more GP and PP jobs */ + mali_timeline_tracker_release(&job->tracker); + } + + return job; +} + +static void mali_executor_complete_group(struct mali_group *group, + mali_bool success, + struct mali_gp_job **gp_job_done, + struct mali_pp_job **pp_job_done) +{ + struct mali_gp_core *gp_core = mali_group_get_gp_core(group); + struct mali_pp_core *pp_core = mali_group_get_pp_core(group); + struct mali_gp_job *gp_job = NULL; + struct mali_pp_job *pp_job = NULL; + mali_bool pp_job_is_done = MALI_TRUE; + + if (NULL != gp_core) { + gp_job = mali_executor_complete_gp(group, success); + } else { + MALI_DEBUG_ASSERT_POINTER(pp_core); + MALI_IGNORE(pp_core); + pp_job = mali_executor_complete_pp(group, success); + + pp_job_is_done = mali_pp_job_is_complete(pp_job); + } + + if (pause_count > 0) { + /* Execution has been suspended */ + + if (!mali_executor_is_working()) { + /* Last job completed, wake up sleepers */ + _mali_osk_wait_queue_wake_up( + executor_working_wait_queue); + } + } else if (MALI_TRUE == mali_group_disable_requested(group)) { + mali_executor_core_scale_in_group_complete(group); + + mali_executor_schedule(); + } else { + /* try to schedule new jobs */ + mali_executor_schedule(); + } + + if (NULL != gp_job) { + MALI_DEBUG_ASSERT_POINTER(gp_job_done); + *gp_job_done = gp_job; + } else if (pp_job_is_done) { + MALI_DEBUG_ASSERT_POINTER(pp_job); + MALI_DEBUG_ASSERT_POINTER(pp_job_done); + *pp_job_done = pp_job; + } +} + +static void mali_executor_change_state_pp_physical(struct mali_group *group, + _mali_osk_list_t *old_list, + u32 *old_count, + _mali_osk_list_t *new_list, + u32 *new_count) +{ + /* + * It's a bit more complicated to change the state for the physical PP + * groups since their state is determined by the list they are on. + */ +#if defined(DEBUG) + mali_bool found = MALI_FALSE; + struct mali_group *group_iter; + struct mali_group *temp; + u32 old_counted = 0; + u32 new_counted = 0; + + MALI_DEBUG_ASSERT_POINTER(group); + MALI_DEBUG_ASSERT_POINTER(old_list); + MALI_DEBUG_ASSERT_POINTER(old_count); + MALI_DEBUG_ASSERT_POINTER(new_list); + MALI_DEBUG_ASSERT_POINTER(new_count); + + /* + * Verify that group is present on old list, + * and that the count is correct + */ + + _MALI_OSK_LIST_FOREACHENTRY(group_iter, temp, old_list, + struct mali_group, executor_list) { + old_counted++; + if (group == group_iter) { + found = MALI_TRUE; + } + } + + _MALI_OSK_LIST_FOREACHENTRY(group_iter, temp, new_list, + struct mali_group, executor_list) { + new_counted++; + } + + if (MALI_FALSE == found) { + if (old_list == &group_list_idle) { + MALI_DEBUG_PRINT(1, (" old Group list is idle,")); + } else if (old_list == &group_list_inactive) { + MALI_DEBUG_PRINT(1, (" old Group list is inactive,")); + } else if (old_list == &group_list_working) { + MALI_DEBUG_PRINT(1, (" old Group list is working,")); + } else if (old_list == &group_list_disabled) { + MALI_DEBUG_PRINT(1, (" old Group list is disable,")); + } + + if (MALI_TRUE == mali_executor_group_is_in_state(group, EXEC_STATE_WORKING)) { + MALI_DEBUG_PRINT(1, (" group in working \n")); + } else if (MALI_TRUE == mali_executor_group_is_in_state(group, EXEC_STATE_INACTIVE)) { + MALI_DEBUG_PRINT(1, (" group in inactive \n")); + } else if (MALI_TRUE == mali_executor_group_is_in_state(group, EXEC_STATE_IDLE)) { + MALI_DEBUG_PRINT(1, (" group in idle \n")); + } else if (MALI_TRUE == mali_executor_group_is_in_state(group, EXEC_STATE_DISABLED)) { + MALI_DEBUG_PRINT(1, (" but group in disabled \n")); + } + } + + MALI_DEBUG_ASSERT(MALI_TRUE == found); + MALI_DEBUG_ASSERT(0 < (*old_count)); + MALI_DEBUG_ASSERT((*old_count) == old_counted); + MALI_DEBUG_ASSERT((*new_count) == new_counted); +#endif + + _mali_osk_list_move(&group->executor_list, new_list); + (*old_count)--; + (*new_count)++; +} + +static void mali_executor_set_state_pp_physical(struct mali_group *group, + _mali_osk_list_t *new_list, + u32 *new_count) +{ + _mali_osk_list_add(&group->executor_list, new_list); + (*new_count)++; +} + +static mali_bool mali_executor_group_is_in_state(struct mali_group *group, + enum mali_executor_state_t state) +{ + MALI_DEBUG_ASSERT_POINTER(group); + MALI_DEBUG_ASSERT_EXECUTOR_LOCK_HELD(); + + if (gp_group == group) { + if (gp_group_state == state) { + return MALI_TRUE; + } + } else if (virtual_group == group || mali_group_is_in_virtual(group)) { + if (virtual_group_state == state) { + return MALI_TRUE; + } + } else { + /* Physical PP group */ + struct mali_group *group_iter; + struct mali_group *temp; + _mali_osk_list_t *list; + + if (EXEC_STATE_DISABLED == state) { + list = &group_list_disabled; + } else if (EXEC_STATE_INACTIVE == state) { + list = &group_list_inactive; + } else if (EXEC_STATE_IDLE == state) { + list = &group_list_idle; + } else { + MALI_DEBUG_ASSERT(EXEC_STATE_WORKING == state); + list = &group_list_working; + } + + _MALI_OSK_LIST_FOREACHENTRY(group_iter, temp, list, + struct mali_group, executor_list) { + if (group_iter == group) { + return MALI_TRUE; + } + } + } + + /* group not in correct state */ + return MALI_FALSE; +} + +static void mali_executor_group_enable_internal(struct mali_group *group) +{ + MALI_DEBUG_ASSERT(group); + MALI_DEBUG_ASSERT_EXECUTOR_LOCK_HELD(); + MALI_DEBUG_ASSERT(mali_executor_group_is_in_state(group, EXEC_STATE_DISABLED)); + + /* Put into inactive state (== "lowest" enabled state) */ + if (group == gp_group) { + MALI_DEBUG_ASSERT(EXEC_STATE_DISABLED == gp_group_state); + gp_group_state = EXEC_STATE_INACTIVE; + } else { + mali_executor_change_state_pp_physical(group, + &group_list_disabled, + &group_list_disabled_count, + &group_list_inactive, + &group_list_inactive_count); + + ++num_physical_pp_cores_enabled; + MALI_DEBUG_PRINT(4, ("Enabling group id %d \n", group->pp_core->core_id)); + } + + if (MALI_GROUP_STATE_ACTIVE == mali_group_activate(group)) { + MALI_DEBUG_ASSERT(MALI_TRUE == mali_group_power_is_on(group)); + + /* Move from inactive to idle */ + if (group == gp_group) { + gp_group_state = EXEC_STATE_IDLE; + } else { + mali_executor_change_state_pp_physical(group, + &group_list_inactive, + &group_list_inactive_count, + &group_list_idle, + &group_list_idle_count); + + if (mali_executor_has_virtual_group()) { + if (mali_executor_physical_rejoin_virtual(group)) { + mali_pm_update_async(); + } + } + } + } else { + mali_pm_update_async(); + } +} + +static void mali_executor_group_disable_internal(struct mali_group *group) +{ + mali_bool working; + + MALI_DEBUG_ASSERT_POINTER(group); + MALI_DEBUG_ASSERT_EXECUTOR_LOCK_HELD(); + MALI_DEBUG_ASSERT(!mali_executor_group_is_in_state(group, EXEC_STATE_DISABLED)); + + working = mali_executor_group_is_in_state(group, EXEC_STATE_WORKING); + if (MALI_TRUE == working) { + /** Group to be disabled once it completes current work, + * when virtual group completes, also check child groups for this flag */ + mali_group_set_disable_request(group, MALI_TRUE); + return; + } + + /* Put into disabled state */ + if (group == gp_group) { + /* GP group */ + MALI_DEBUG_ASSERT(EXEC_STATE_WORKING != gp_group_state); + gp_group_state = EXEC_STATE_DISABLED; + } else { + if (mali_group_is_in_virtual(group)) { + /* A child group of virtual group. move the specific group from virtual group */ + MALI_DEBUG_ASSERT(EXEC_STATE_WORKING != virtual_group_state); + + mali_executor_set_state_pp_physical(group, + &group_list_disabled, + &group_list_disabled_count); + + mali_group_remove_group(virtual_group, group); + mali_executor_disable_empty_virtual(); + } else { + mali_executor_change_group_status_disabled(group); + } + + --num_physical_pp_cores_enabled; + MALI_DEBUG_PRINT(4, ("Disabling group id %d \n", group->pp_core->core_id)); + } + + if (MALI_GROUP_STATE_INACTIVE != group->state) { + if (MALI_TRUE == mali_group_deactivate(group)) { + mali_pm_update_async(); + } + } +} + +static void mali_executor_notify_core_change(u32 num_cores) +{ + mali_bool done = MALI_FALSE; + + if (mali_is_mali450() || mali_is_mali470()) { + return; + } + + /* + * This function gets a bit complicated because we can't hold the session lock while + * allocating notification objects. + */ + while (!done) { + u32 i; + u32 num_sessions_alloc; + u32 num_sessions_with_lock; + u32 used_notification_objects = 0; + _mali_osk_notification_t **notobjs; + + /* Pre allocate the number of notifications objects we need right now (might change after lock has been taken) */ + num_sessions_alloc = mali_session_get_count(); + if (0 == num_sessions_alloc) { + /* No sessions to report to */ + return; + } + + notobjs = (_mali_osk_notification_t **)_mali_osk_malloc(sizeof(_mali_osk_notification_t *) * num_sessions_alloc); + if (NULL == notobjs) { + MALI_PRINT_ERROR(("Failed to notify user space session about num PP core change (alloc failure)\n")); + /* there is probably no point in trying again, system must be really low on memory and probably unusable now anyway */ + return; + } + + for (i = 0; i < num_sessions_alloc; i++) { + notobjs[i] = _mali_osk_notification_create(_MALI_NOTIFICATION_PP_NUM_CORE_CHANGE, sizeof(_mali_uk_pp_num_cores_changed_s)); + if (NULL != notobjs[i]) { + _mali_uk_pp_num_cores_changed_s *data = notobjs[i]->result_buffer; + data->number_of_enabled_cores = num_cores; + } else { + MALI_PRINT_ERROR(("Failed to notify user space session about num PP core change (alloc failure %u)\n", i)); + } + } + + mali_session_lock(); + + /* number of sessions will not change while we hold the lock */ + num_sessions_with_lock = mali_session_get_count(); + + if (num_sessions_alloc >= num_sessions_with_lock) { + /* We have allocated enough notification objects for all the sessions atm */ + struct mali_session_data *session, *tmp; + MALI_SESSION_FOREACH(session, tmp, link) { + MALI_DEBUG_ASSERT(used_notification_objects < num_sessions_alloc); + if (NULL != notobjs[used_notification_objects]) { + mali_session_send_notification(session, notobjs[used_notification_objects]); + notobjs[used_notification_objects] = NULL; /* Don't track this notification object any more */ + } + used_notification_objects++; + } + done = MALI_TRUE; + } + + mali_session_unlock(); + + /* Delete any remaining/unused notification objects */ + for (; used_notification_objects < num_sessions_alloc; used_notification_objects++) { + if (NULL != notobjs[used_notification_objects]) { + _mali_osk_notification_delete(notobjs[used_notification_objects]); + } + } + + _mali_osk_free(notobjs); + } +} + +static mali_bool mali_executor_core_scaling_is_done(void *data) +{ + u32 i; + u32 num_groups; + mali_bool ret = MALI_TRUE; + + MALI_IGNORE(data); + + mali_executor_lock(); + + num_groups = mali_group_get_glob_num_groups(); + + for (i = 0; i < num_groups; i++) { + struct mali_group *group = mali_group_get_glob_group(i); + + if (NULL != group) { + if (MALI_TRUE == group->disable_requested && NULL != mali_group_get_pp_core(group)) { + ret = MALI_FALSE; + break; + } + } + } + mali_executor_unlock(); + + return ret; +} + +static void mali_executor_wq_notify_core_change(void *arg) +{ + MALI_IGNORE(arg); + + if (mali_is_mali450() || mali_is_mali470()) { + return; + } + + _mali_osk_wait_queue_wait_event(executor_notify_core_change_wait_queue, + mali_executor_core_scaling_is_done, NULL); + + mali_executor_notify_core_change(num_physical_pp_cores_enabled); +} + +/** + * Clear all disable request from the _last_ core scaling behavior. + */ +static void mali_executor_core_scaling_reset(void) +{ + u32 i; + u32 num_groups; + + MALI_DEBUG_ASSERT_EXECUTOR_LOCK_HELD(); + + num_groups = mali_group_get_glob_num_groups(); + + for (i = 0; i < num_groups; i++) { + struct mali_group *group = mali_group_get_glob_group(i); + + if (NULL != group) { + group->disable_requested = MALI_FALSE; + } + } + + for (i = 0; i < MALI_MAX_NUMBER_OF_DOMAINS; i++) { + core_scaling_delay_up_mask[i] = 0; + } +} + +static void mali_executor_core_scale(unsigned int target_core_nr) +{ + int current_core_scaling_mask[MALI_MAX_NUMBER_OF_DOMAINS] = { 0 }; + int target_core_scaling_mask[MALI_MAX_NUMBER_OF_DOMAINS] = { 0 }; + int i; + + MALI_DEBUG_ASSERT(0 < target_core_nr); + MALI_DEBUG_ASSERT(num_physical_pp_cores_total >= target_core_nr); + + mali_executor_lock(); + + if (target_core_nr < num_physical_pp_cores_enabled) { + MALI_DEBUG_PRINT(2, ("Requesting %d cores: disabling %d cores\n", target_core_nr, num_physical_pp_cores_enabled - target_core_nr)); + } else { + MALI_DEBUG_PRINT(2, ("Requesting %d cores: enabling %d cores\n", target_core_nr, target_core_nr - num_physical_pp_cores_enabled)); + } + + /* When a new core scaling request is comming, we should remove the un-doing + * part of the last core scaling request. It's safe because we have only one + * lock(executor lock) protection. */ + mali_executor_core_scaling_reset(); + + mali_pm_get_best_power_cost_mask(num_physical_pp_cores_enabled, current_core_scaling_mask); + mali_pm_get_best_power_cost_mask(target_core_nr, target_core_scaling_mask); + + for (i = 0; i < MALI_MAX_NUMBER_OF_DOMAINS; i++) { + target_core_scaling_mask[i] = target_core_scaling_mask[i] - current_core_scaling_mask[i]; + MALI_DEBUG_PRINT(5, ("target_core_scaling_mask[%d] = %d\n", i, target_core_scaling_mask[i])); + } + + for (i = 0; i < MALI_MAX_NUMBER_OF_DOMAINS; i++) { + if (0 > target_core_scaling_mask[i]) { + struct mali_pm_domain *domain; + + domain = mali_pm_domain_get_from_index(i); + + /* Domain is valid and has pp cores */ + if ((NULL != domain) && !(_mali_osk_list_empty(&domain->group_list))) { + struct mali_group *group; + struct mali_group *temp; + + _MALI_OSK_LIST_FOREACHENTRY(group, temp, &domain->group_list, struct mali_group, pm_domain_list) { + if (NULL != mali_group_get_pp_core(group) && (!mali_executor_group_is_in_state(group, EXEC_STATE_DISABLED)) + && (!mali_group_is_virtual(group))) { + mali_executor_group_disable_internal(group); + target_core_scaling_mask[i]++; + if ((0 == target_core_scaling_mask[i])) { + break; + } + + } + } + } + } + } + + for (i = 0; i < MALI_MAX_NUMBER_OF_DOMAINS; i++) { + /** + * Target_core_scaling_mask[i] is bigger than 0, + * means we need to enable some pp cores in + * this domain whose domain index is i. + */ + if (0 < target_core_scaling_mask[i]) { + struct mali_pm_domain *domain; + + if (num_physical_pp_cores_enabled >= target_core_nr) { + break; + } + + domain = mali_pm_domain_get_from_index(i); + + /* Domain is valid and has pp cores */ + if ((NULL != domain) && !(_mali_osk_list_empty(&domain->group_list))) { + struct mali_group *group; + struct mali_group *temp; + + _MALI_OSK_LIST_FOREACHENTRY(group, temp, &domain->group_list, struct mali_group, pm_domain_list) { + if (NULL != mali_group_get_pp_core(group) && mali_executor_group_is_in_state(group, EXEC_STATE_DISABLED) + && (!mali_group_is_virtual(group))) { + mali_executor_group_enable_internal(group); + target_core_scaling_mask[i]--; + + if ((0 == target_core_scaling_mask[i]) || num_physical_pp_cores_enabled == target_core_nr) { + break; + } + } + } + } + } + } + + /** + * Here, we may still have some pp cores not been enabled because of some + * pp cores need to be disabled are still in working state. + */ + for (i = 0; i < MALI_MAX_NUMBER_OF_DOMAINS; i++) { + if (0 < target_core_scaling_mask[i]) { + core_scaling_delay_up_mask[i] = target_core_scaling_mask[i]; + } + } + + mali_executor_schedule(); + mali_executor_unlock(); +} + +static void mali_executor_core_scale_in_group_complete(struct mali_group *group) +{ + int num_pp_cores_disabled = 0; + int num_pp_cores_to_enable = 0; + int i; + + MALI_DEBUG_ASSERT_EXECUTOR_LOCK_HELD(); + MALI_DEBUG_ASSERT(MALI_TRUE == mali_group_disable_requested(group)); + + /* Disable child group of virtual group */ + if (mali_group_is_virtual(group)) { + struct mali_group *child; + struct mali_group *temp; + + _MALI_OSK_LIST_FOREACHENTRY(child, temp, &group->group_list, struct mali_group, group_list) { + if (MALI_TRUE == mali_group_disable_requested(child)) { + mali_group_set_disable_request(child, MALI_FALSE); + mali_executor_group_disable_internal(child); + num_pp_cores_disabled++; + } + } + mali_group_set_disable_request(group, MALI_FALSE); + } else { + mali_executor_group_disable_internal(group); + mali_group_set_disable_request(group, MALI_FALSE); + if (NULL != mali_group_get_pp_core(group)) { + num_pp_cores_disabled++; + } + } + + num_pp_cores_to_enable = num_pp_cores_disabled; + + for (i = 0; i < MALI_MAX_NUMBER_OF_DOMAINS; i++) { + if (0 < core_scaling_delay_up_mask[i]) { + struct mali_pm_domain *domain; + + if (0 == num_pp_cores_to_enable) { + break; + } + + domain = mali_pm_domain_get_from_index(i); + + /* Domain is valid and has pp cores */ + if ((NULL != domain) && !(_mali_osk_list_empty(&domain->group_list))) { + struct mali_group *disabled_group; + struct mali_group *temp; + + _MALI_OSK_LIST_FOREACHENTRY(disabled_group, temp, &domain->group_list, struct mali_group, pm_domain_list) { + if (NULL != mali_group_get_pp_core(disabled_group) && mali_executor_group_is_in_state(disabled_group, EXEC_STATE_DISABLED)) { + mali_executor_group_enable_internal(disabled_group); + core_scaling_delay_up_mask[i]--; + num_pp_cores_to_enable--; + + if ((0 == core_scaling_delay_up_mask[i]) || 0 == num_pp_cores_to_enable) { + break; + } + } + } + } + } + } + + _mali_osk_wait_queue_wake_up(executor_notify_core_change_wait_queue); +} + +static void mali_executor_change_group_status_disabled(struct mali_group *group) +{ + /* Physical PP group */ + mali_bool idle; + + MALI_DEBUG_ASSERT_EXECUTOR_LOCK_HELD(); + + idle = mali_executor_group_is_in_state(group, EXEC_STATE_IDLE); + if (MALI_TRUE == idle) { + mali_executor_change_state_pp_physical(group, + &group_list_idle, + &group_list_idle_count, + &group_list_disabled, + &group_list_disabled_count); + } else { + mali_executor_change_state_pp_physical(group, + &group_list_inactive, + &group_list_inactive_count, + &group_list_disabled, + &group_list_disabled_count); + } +} + +static mali_bool mali_executor_deactivate_list_idle(mali_bool deactivate_idle_group) +{ + mali_bool trigger_pm_update = MALI_FALSE; + + if (group_list_idle_count > 0) { + if (mali_executor_has_virtual_group()) { + + /* Rejoin virtual group on Mali-450 */ + + struct mali_group *group; + struct mali_group *temp; + + _MALI_OSK_LIST_FOREACHENTRY(group, temp, + &group_list_idle, + struct mali_group, executor_list) { + if (mali_executor_physical_rejoin_virtual( + group)) { + trigger_pm_update = MALI_TRUE; + } + } + } else if (deactivate_idle_group) { + struct mali_group *group; + struct mali_group *temp; + + /* Deactivate group on Mali-300/400 */ + + _MALI_OSK_LIST_FOREACHENTRY(group, temp, + &group_list_idle, + struct mali_group, executor_list) { + if (mali_group_deactivate(group)) { + trigger_pm_update = MALI_TRUE; + } + + /* Move from idle to inactive */ + mali_executor_change_state_pp_physical(group, + &group_list_idle, + &group_list_idle_count, + &group_list_inactive, + &group_list_inactive_count); + } + } + } + + return trigger_pm_update; +} + +void mali_executor_running_status_print(void) +{ + struct mali_group *group = NULL; + struct mali_group *temp = NULL; + + MALI_PRINT(("GP running job: %p\n", gp_group->gp_running_job)); + if ((gp_group->gp_core) && (gp_group->is_working)) { + mali_group_dump_status(gp_group); + } + MALI_PRINT(("Physical PP groups in WORKING state (count = %u):\n", group_list_working_count)); + _MALI_OSK_LIST_FOREACHENTRY(group, temp, &group_list_working, struct mali_group, executor_list) { + MALI_PRINT(("PP running job: %p, subjob %d \n", group->pp_running_job, group->pp_running_sub_job)); + mali_group_dump_status(group); + } + MALI_PRINT(("Physical PP groups in INACTIVE state (count = %u):\n", group_list_inactive_count)); + _MALI_OSK_LIST_FOREACHENTRY(group, temp, &group_list_inactive, struct mali_group, executor_list) { + MALI_PRINT(("\tPP status %d, SW power: %s\n", group->state, group->power_is_on ? "On" : "Off")); + MALI_PRINT(("\tPP #%d: %s\n", group->pp_core->core_id, group->pp_core->hw_core.description)); + } + MALI_PRINT(("Physical PP groups in IDLE state (count = %u):\n", group_list_idle_count)); + _MALI_OSK_LIST_FOREACHENTRY(group, temp, &group_list_idle, struct mali_group, executor_list) { + MALI_PRINT(("\tPP status %d, SW power: %s\n", group->state, group->power_is_on ? "On" : "Off")); + MALI_PRINT(("\tPP #%d: %s\n", group->pp_core->core_id, group->pp_core->hw_core.description)); + } + MALI_PRINT(("Physical PP groups in DISABLED state (count = %u):\n", group_list_disabled_count)); + _MALI_OSK_LIST_FOREACHENTRY(group, temp, &group_list_disabled, struct mali_group, executor_list) { + MALI_PRINT(("\tPP status %d, SW power: %s\n", group->state, group->power_is_on ? "On" : "Off")); + MALI_PRINT(("\tPP #%d: %s\n", group->pp_core->core_id, group->pp_core->hw_core.description)); + } + + if (mali_executor_has_virtual_group()) { + MALI_PRINT(("Virtual group running job: %p\n", virtual_group->pp_running_job)); + MALI_PRINT(("Virtual group status: %d\n", virtual_group_state)); + MALI_PRINT(("Virtual group->status: %d\n", virtual_group->state)); + MALI_PRINT(("\tSW power: %s\n", virtual_group->power_is_on ? "On" : "Off")); + _MALI_OSK_LIST_FOREACHENTRY(group, temp, &virtual_group->group_list, + struct mali_group, group_list) { + int i = 0; + MALI_PRINT(("\tchild group(%s) running job: %p\n", group->pp_core->hw_core.description, group->pp_running_job)); + MALI_PRINT(("\tchild group(%s)->status: %d\n", group->pp_core->hw_core.description, group->state)); + MALI_PRINT(("\tchild group(%s) SW power: %s\n", group->pp_core->hw_core.description, group->power_is_on ? "On" : "Off")); + if (group->pm_domain) { + MALI_PRINT(("\tPower domain: id %u\n", mali_pm_domain_get_id(group->pm_domain))); + MALI_PRINT(("\tMask:0x%04x \n", mali_pm_domain_get_mask(group->pm_domain))); + MALI_PRINT(("\tUse-count:%u \n", mali_pm_domain_get_use_count(group->pm_domain))); + MALI_PRINT(("\tCurrent power status:%s \n", (mali_pm_domain_get_mask(group->pm_domain)& mali_pm_get_current_mask()) ? "On" : "Off")); + MALI_PRINT(("\tWanted power status:%s \n", (mali_pm_domain_get_mask(group->pm_domain)& mali_pm_get_wanted_mask()) ? "On" : "Off")); + } + + for (i = 0; i < 2; i++) { + if (NULL != group->l2_cache_core[i]) { + struct mali_pm_domain *domain; + domain = mali_l2_cache_get_pm_domain(group->l2_cache_core[i]); + MALI_PRINT(("\t L2(index %d) group SW power: %s\n", i, group->l2_cache_core[i]->power_is_on ? "On" : "Off")); + if (domain) { + MALI_PRINT(("\tL2 Power domain: id %u\n", mali_pm_domain_get_id(domain))); + MALI_PRINT(("\tL2 Mask:0x%04x \n", mali_pm_domain_get_mask(domain))); + MALI_PRINT(("\tL2 Use-count:%u \n", mali_pm_domain_get_use_count(domain))); + MALI_PRINT(("\tL2 Current power status:%s \n", (mali_pm_domain_get_mask(domain) & mali_pm_get_current_mask()) ? "On" : "Off")); + MALI_PRINT(("\tL2 Wanted power status:%s \n", (mali_pm_domain_get_mask(domain) & mali_pm_get_wanted_mask()) ? "On" : "Off")); + } + } + } + } + if (EXEC_STATE_WORKING == virtual_group_state) { + mali_group_dump_status(virtual_group); + } + } +} + +void mali_executor_status_dump(void) +{ + mali_executor_lock(); + mali_scheduler_lock(); + + /* print schedule queue status */ + mali_scheduler_gp_pp_job_queue_print(); + + mali_scheduler_unlock(); + mali_executor_unlock(); +} |