mali_bool mali_l2_cache_invalidate_conditional(struct mali_l2_cache_core *cache, u32 id)
{
MALI_DEBUG_ASSERT_POINTER(cache);
if (NULL != cache)
{
/* If the last cache invalidation was done by a job with a higher id we
* don't have to flush. Since user space will store jobs w/ their
* corresponding memory in sequence (first job #0, then job #1, ...),
* we don't have to flush for job n-1 if job n has already invalidated
* the cache since we know for sure that job n-1's memory was already
* written when job n was started. */
if (((s32)id) <= ((s32)cache->last_invalidated_id))
{
return MALI_FALSE;
}
else
{
cache->last_invalidated_id = mali_scheduler_get_new_id();
}
mali_l2_cache_send_command(cache, MALI400_L2_CACHE_REGISTER_COMMAND, MALI400_L2_CACHE_COMMAND_CLEAR_ALL);
}
return MALI_TRUE;
}
void mali_l2_cache_invalidate(struct mali_l2_cache_core *cache)
{
MALI_DEBUG_ASSERT_POINTER(cache);
if (NULL != cache)
{
cache->last_invalidated_id = mali_scheduler_get_new_id();
mali_l2_cache_send_command(cache, MALI400_L2_CACHE_REGISTER_COMMAND, MALI400_L2_CACHE_COMMAND_CLEAR_ALL);
}
}
_mali_osk_errcode_t mali_l2_cache_invalidate_pages(struct mali_l2_cache_core *cache, u32 *pages, u32 num_pages)
{
u32 i;
_mali_osk_errcode_t ret1, ret = _MALI_OSK_ERR_OK;
for (i = 0; i < num_pages; i++)
{
ret1 = mali_l2_cache_send_command(cache, MALI400_L2_CACHE_REGISTER_CLEAR_PAGE, pages[i]);
if (_MALI_OSK_ERR_OK != ret1)
{
ret = ret1;
}
}
return ret;
}
void mali_l2_cache_invalidate_all(void)
{
u32 i;
for (i = 0; i < mali_global_num_l2_cache_cores; i++)
{
/*additional check*/
if (MALI_TRUE == mali_l2_cache_lock_power_state(mali_global_l2_cache_cores[i]))
{
_mali_osk_errcode_t ret;
mali_global_l2_cache_cores[i]->last_invalidated_id = mali_scheduler_get_new_id();
ret = mali_l2_cache_send_command(mali_global_l2_cache_cores[i], MALI400_L2_CACHE_REGISTER_COMMAND, MALI400_L2_CACHE_COMMAND_CLEAR_ALL);
if (_MALI_OSK_ERR_OK != ret)
{
MALI_PRINT_ERROR(("Failed to invalidate cache\n"));
}
}
mali_l2_cache_unlock_power_state(mali_global_l2_cache_cores[i]);
}
}
void mali_l2_cache_invalidate_all_pages(u32 *pages, u32 num_pages)
{
u32 i;
for (i = 0; i < mali_global_num_l2_cache_cores; i++)
{
/*additional check*/
if (MALI_TRUE == mali_l2_cache_lock_power_state(mali_global_l2_cache_cores[i]))
{
u32 j;
for (j = 0; j < num_pages; j++)
{
_mali_osk_errcode_t ret;
ret = mali_l2_cache_send_command(mali_global_l2_cache_cores[i], MALI400_L2_CACHE_REGISTER_CLEAR_PAGE, pages[j]);
if (_MALI_OSK_ERR_OK != ret)
{
MALI_PRINT_ERROR(("Failed to invalidate page cache\n"));
}
}
}
mali_l2_cache_unlock_power_state(mali_global_l2_cache_cores[i]);
}
}
void mali_l2_cache_reset(struct mali_l2_cache_core *cache)
{
if (cache && cache->pm_domain && cache->pm_domain->state == MALI_PM_DOMAIN_OFF) {
//printk(" ***************** couldn't run here..*********\n");
return;
}
/* Invalidate cache (just to keep it in a known state at startup) */
mali_l2_cache_send_command(cache, MALI400_L2_CACHE_REGISTER_COMMAND, MALI400_L2_CACHE_COMMAND_CLEAR_ALL);
_mali_osk_lock_wait(cache->counter_lock, _MALI_OSK_LOCKMODE_RW);
if (MALI_L2_PAUSE == cache->mali_l2_status)
{
_mali_osk_lock_signal(cache->counter_lock, _MALI_OSK_LOCKMODE_RW);
return ;
}
/* Enable cache */
mali_hw_core_register_write(&cache->hw_core, MALI400_L2_CACHE_REGISTER_ENABLE, (u32)MALI400_L2_CACHE_ENABLE_ACCESS | (u32)MALI400_L2_CACHE_ENABLE_READ_ALLOCATE);
mali_hw_core_register_write(&cache->hw_core, MALI400_L2_CACHE_REGISTER_MAX_READS, (u32)mali_l2_max_reads);
/* Restart any performance counters (if enabled) */
if (cache->counter_src0 != MALI_HW_CORE_NO_COUNTER)
{
mali_hw_core_register_write(&cache->hw_core, MALI400_L2_CACHE_REGISTER_PERFCNT_SRC0, cache->counter_src0);
}
if (cache->counter_src1 != MALI_HW_CORE_NO_COUNTER)
{
mali_hw_core_register_write(&cache->hw_core, MALI400_L2_CACHE_REGISTER_PERFCNT_SRC1, cache->counter_src1);
}
_mali_osk_lock_signal(cache->counter_lock, _MALI_OSK_LOCKMODE_RW);
}
void mali_l2_cache_reset(struct mali_l2_cache_core *cache)
{
/* Invalidate cache (just to keep it in a known state at startup) */
mali_l2_cache_send_command(cache, MALI400_L2_CACHE_REGISTER_COMMAND, MALI400_L2_CACHE_COMMAND_CLEAR_ALL);
/* Enable cache */
mali_hw_core_register_write(&cache->hw_core, MALI400_L2_CACHE_REGISTER_ENABLE, (u32)MALI400_L2_CACHE_ENABLE_ACCESS | (u32)MALI400_L2_CACHE_ENABLE_READ_ALLOCATE);
mali_hw_core_register_write(&cache->hw_core, MALI400_L2_CACHE_REGISTER_MAX_READS, (u32)mali_l2_max_reads);
/* Restart any performance counters (if enabled) */
_mali_osk_lock_wait(cache->counter_lock, _MALI_OSK_LOCKMODE_RW);
if (cache->counter_src0 != MALI_HW_CORE_NO_COUNTER)
{
mali_hw_core_register_write(&cache->hw_core, MALI400_L2_CACHE_REGISTER_PERFCNT_SRC0, cache->counter_src0);
}
if (cache->counter_src1 != MALI_HW_CORE_NO_COUNTER)
{
mali_hw_core_register_write(&cache->hw_core, MALI400_L2_CACHE_REGISTER_PERFCNT_SRC1, cache->counter_src1);
}
_mali_osk_lock_signal(cache->counter_lock, _MALI_OSK_LOCKMODE_RW);
}
_mali_osk_errcode_t mali_l2_cache_invalidate_all(struct mali_l2_cache_core *cache)
{
return mali_l2_cache_send_command(cache, MALI400_L2_CACHE_REGISTER_COMMAND, MALI400_L2_CACHE_COMMAND_CLEAR_ALL);
}
