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nest-open-source / manifest_repos / mali-driver / 268e43036ceb1097d004fa09786438f2319a2a0e / . / mali / common / mali_executor.c
blob: 0359c77bd1a7d669c2899ae603f5bcd01c825a50 [file] [log] [blame]
/*
* Copyright (C) 2012-2016 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"
#include "mali_osk_mali.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);
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_TRUE, 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_TRUE,
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) {
struct mali_gp_job *job = mali_group_get_running_gp_job(group);
/* PLBU out of mem */
MALI_DEBUG_PRINT(3, ("Executor: PLBU needs more heap memory\n"));
#if defined(CONFIG_MALI400_PROFILING)
/* Give group a chance to generate a SUSPEND event */
mali_group_oom(group);
#endif
/*
* no need to hold interrupt raised while
* waiting for more memory.
*/
mali_executor_send_gp_oom_to_user(job);
mali_executor_unlock();
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_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_TRUE, 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_TRUE, 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_TRUE, 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]);
mali_executor_unlock();
return _MALI_OSK_ERR_OK;
} else {
MALI_DEBUG_PRINT(2, ("Executor: Unable to resume gp job becasue gp time out or any other unexpected reason!\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;
}
static mali_bool mali_executor_schedule_is_early_out(mali_bool *gpu_secure_mode_is_needed)
{
struct mali_pp_job *next_pp_job_to_start = NULL;
struct mali_group *group;
struct mali_group *tmp_group;
struct mali_pp_job *physical_pp_job_working = NULL;
struct mali_pp_job *virtual_pp_job_working = NULL;
mali_bool gpu_working_in_protected_mode = MALI_FALSE;
mali_bool gpu_working_in_non_protected_mode = MALI_FALSE;
MALI_DEBUG_ASSERT_LOCK_HELD(mali_scheduler_lock_obj);
*gpu_secure_mode_is_needed = MALI_FALSE;
/* Check if the gpu secure mode is supported, exit if not.*/
if (MALI_FALSE == _mali_osk_gpu_secure_mode_is_supported()) {
return MALI_FALSE;
}
/* Check if need to set gpu secure mode for the next pp job,
* get the next pp job that will be scheduled if exist.
*/
next_pp_job_to_start = mali_scheduler_job_pp_next();
/* Check current pp physical/virtual running job is protected job or not if exist.*/
_MALI_OSK_LIST_FOREACHENTRY(group, tmp_group, &group_list_working,
struct mali_group, executor_list) {
physical_pp_job_working = group->pp_running_job;
break;
}
if (EXEC_STATE_WORKING == virtual_group_state) {
virtual_pp_job_working = virtual_group->pp_running_job;
}
if (NULL != physical_pp_job_working) {
if (MALI_TRUE == mali_pp_job_is_protected_job(physical_pp_job_working)) {
gpu_working_in_protected_mode = MALI_TRUE;
} else {
gpu_working_in_non_protected_mode = MALI_TRUE;
}
} else if (NULL != virtual_pp_job_working) {
if (MALI_TRUE == mali_pp_job_is_protected_job(virtual_pp_job_working)) {
gpu_working_in_protected_mode = MALI_TRUE;
} else {
gpu_working_in_non_protected_mode = MALI_TRUE;
}
} else if (EXEC_STATE_WORKING == gp_group_state) {
gpu_working_in_non_protected_mode = MALI_TRUE;
}
/* If the next pp job is the protected pp job.*/
if ((NULL != next_pp_job_to_start) && MALI_TRUE == mali_pp_job_is_protected_job(next_pp_job_to_start)) {
/* if gp is working or any non-protected pp job is working now, unable to schedule protected pp job. */
if (MALI_TRUE == gpu_working_in_non_protected_mode)
return MALI_TRUE;
*gpu_secure_mode_is_needed = MALI_TRUE;
return MALI_FALSE;
}
if (MALI_TRUE == gpu_working_in_protected_mode) {
/* Unable to schedule non-protected pp job/gp job if exist protected pp running jobs*/
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;
mali_bool gpu_secure_mode_is_needed = MALI_FALSE;
mali_bool is_gpu_secure_mode = MALI_FALSE;
/* 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. Check the schedule if need to early out. */
if (MALI_TRUE == mali_executor_schedule_is_early_out(&gpu_secure_mode_is_needed)) {
mali_scheduler_unlock();
return;
}
/* 2. Activate gp firstly if have gp job queued. */
if ((EXEC_STATE_INACTIVE == gp_group_state)
&& (0 < mali_scheduler_job_gp_count())
&& (gpu_secure_mode_is_needed == MALI_FALSE)) {
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;
}
}
/* 3. Prepare as many physical groups as needed/possible */
num_physical_needed = mali_scheduler_job_physical_head_count(gpu_secure_mode_is_needed);
/* 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) {
/* 3.1. 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()) {
/*
* 3.2. 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;
}
}
}
/* 3.3. 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(gpu_secure_mode_is_needed));
/* If the next pp job is non-protected, check if gp bound now. */
if ((MALI_FALSE == gpu_secure_mode_is_needed)
&& (mali_executor_hint_is_enabled(MALI_EXECUTOR_HINT_GP_BOUND))
&& (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);
if (MALI_FALSE == gpu_secure_mode_is_needed) {
MALI_DEBUG_ASSERT(MALI_FALSE == mali_pp_job_is_protected_job(job));
} else {
MALI_DEBUG_ASSERT(MALI_TRUE == mali_pp_job_is_protected_job(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;
}
}
}
}
/* 4. 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;
}
/* 5. Activate virtual group, if needed */
if (EXEC_STATE_INACTIVE == virtual_group_state &&
MALI_TRUE == mali_scheduler_job_next_is_virtual()) {
struct mali_pp_job *virtual_job = mali_scheduler_job_pp_virtual_peek();
if ((MALI_FALSE == gpu_secure_mode_is_needed && MALI_FALSE == mali_pp_job_is_protected_job(virtual_job))
|| (MALI_TRUE == gpu_secure_mode_is_needed && MALI_TRUE == mali_pp_job_is_protected_job(virtual_job))) {
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;
}
}
}
/* 6. To power up group asap, trigger pm update only when no need to swith the gpu mode. */
is_gpu_secure_mode = _mali_osk_gpu_secure_mode_is_enabled();
if ((MALI_FALSE == gpu_secure_mode_is_needed && MALI_FALSE == is_gpu_secure_mode)
|| (MALI_TRUE == gpu_secure_mode_is_needed && MALI_TRUE == is_gpu_secure_mode)) {
if (MALI_TRUE == trigger_pm_update) {
trigger_pm_update = MALI_FALSE;
mali_pm_update_async();
}
}
/* 7. Assign jobs to idle virtual group (or deactivate if no job) */
if (EXEC_STATE_IDLE == virtual_group_state) {
if (MALI_TRUE == mali_scheduler_job_next_is_virtual()) {
struct mali_pp_job *virtual_job = mali_scheduler_job_pp_virtual_peek();
if ((MALI_FALSE == gpu_secure_mode_is_needed && MALI_FALSE == mali_pp_job_is_protected_job(virtual_job))
|| (MALI_TRUE == gpu_secure_mode_is_needed && MALI_TRUE == mali_pp_job_is_protected_job(virtual_job))) {
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;
}
}
}
/* 8. Assign job to idle GP group (or deactivate if no job) */
if (EXEC_STATE_IDLE == gp_group_state && MALI_FALSE == gpu_secure_mode_is_needed) {
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;
}
}
}
/* 9. We no longer need the schedule/queue lock */
mali_scheduler_unlock();
/* 10. 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, is_gpu_secure_mode);
}
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], is_gpu_secure_mode);
}
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, is_gpu_secure_mode);
}
/* 11. 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)
{
_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;
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 MALI_STATE_TRACKING
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"));
}
#endif
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 MALI_STATE_TRACKING
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"));
}
#endif
}
}
}
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();
}