mali_bool pwrctrl_dfs_gpu_target(int step)
{
int targetProfile;
int byStep;
if (1 == g_mali_dfs_var.dfs_DfsOn)//s_uwDebugFsDvfsOn
{
/* parameters check */
if ((step > 3) || (step < -3))
{
MALI_DEBUG_PRINT(3,( "bad parameters input to pwrctrl_dfs_gpu_target \r\n"));
return MALI_FALSE;
}
if (0 == step)
{
MALI_DEBUG_PRINT(3,( "step=0,no need call this dvfs func \r\n"));
return MALI_TRUE;
}
/* dfs action */
MALI_DEBUG_PRINT(3,( "current GPU DVFS Profile is %d \r\n",g_mali_dfs_var.dfs_CurrPrf));//s_uwDvfsCurrPrf
targetProfile = mali_get_target_profile(g_mali_dfs_var.dfs_CurrPrf, step);
if (g_mali_dfs_var.dfs_CurrPrf == targetProfile)
{
MALI_DEBUG_PRINT(3,( "current == target ,no need change \r\n"));
return MALI_TRUE;
}
else
{
MALI_DEBUG_PRINT(3,( "current =%d, target=%d doing DVFS \r\n",g_mali_dfs_var.dfs_CurrPrf, targetProfile));
}
/* could support step over or step by step */
#if DVFS_STEP_OVER
mali_dfs_target_profile(targetProfile);
#else
if (g_mali_dfs_var.dfs_CurrPrf < targetProfile)
{
for ( byStep = g_mali_dfs_var.dfs_CurrPrf + 1; byStep <= targetProfile; byStep++ )
{
mali_dfs_target_profile(byStep);
}
}
else
{
for ( byStep = g_mali_dfs_var.dfs_CurrPrf - 1; byStep >= targetProfile; byStep-- )
{
mali_dfs_target_profile(byStep);
}
}
#endif
g_mali_dfs_var.dfs_CurrPrf = targetProfile;
mali_remark_clockrate(g_mali_dfs_var.dfs_CurrPrf);
}
return MALI_TRUE;
}
void pwrctrl_dfs_gpu_enable(void)
{
/* powerup with old profile */
mali_dfs_target_profile(g_mali_dfs_var.dfs_BakPrf);//s_uwDvfsBakPrf
}
/*****************************************************************************
function name : mali_platform_init
description : init mali by calling interFace of low software and dvfs
input vars : void
output vars : NA
return value : _mali_osk_errcode_t
calls : mali_clock_init
mali_dvfs_status_init
called : mali_driver_init
history :
1.data : 04/03/2014
author : s00250033
modify : new
*****************************************************************************/
_mali_osk_errcode_t mali_platform_init(struct platform_device *pdev)
{
#if MALI_PWRON_NO_DRV
mali_platform_powerup_no_drv();
MALI_SUCCESS;
#endif
pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
pdev->dev.type = &mali_gpu_device_device_type;
pdev->dev.platform_data = &mali_gpu_data;
np = pdev->dev.of_node;
switch(mali_get_gpu_type())
{
case MALI_CORE_400_MP1:
pdev->num_resources = ARRAY_SIZE(mali_gpu_resources_m400_mp1);
pdev->resource = mali_gpu_resources_m400_mp1;
MALI_DEBUG_PRINT(2,("get gpu type MALI_CORE_400_MP1\n"));
break;
case MALI_CORE_400_MP2:
pdev->num_resources = ARRAY_SIZE(mali_gpu_resources_m400_mp2);
pdev->resource = mali_gpu_resources_m400_mp2;
MALI_DEBUG_PRINT(2,("get gpu type MALI_CORE_400_MP2\n"));
break;
case MALI_CORE_450_MP4:
mali_gpu_class_is_mali450 = MALI_TRUE;
pdev->num_resources = ARRAY_SIZE(mali_gpu_resources_m450_mp4);
pdev->resource = mali_gpu_resources_m450_mp4;
MALI_DEBUG_PRINT(2,("get gpu type MALI_CORE_450_MP4\n"));
break;
default:
MALI_DEBUG_PRINT(1,("error get gpu type\n"));
MALI_ERROR(_MALI_OSK_ERR_FAULT);
}
/* open and get the clk and regulator without mali pmm */
init_mali_clock_regulator(pdev);
#if MALI_DVFS_ENABLED
pwrctrl_g3d_dfs_init(pdev);
mali_dfs_target_profile(0);
/* init the dvfs AND work queue */
mali_dvfs_status_init(MALI_DVFS_HOLD);
#endif
#ifdef CONFIG_PM_RUNTIME
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
pm_runtime_set_autosuspend_delay(&(pdev->dev), 1000);
pm_runtime_use_autosuspend(&(pdev->dev));
#endif
pm_runtime_enable(&pdev->dev);
#endif
MALI_SUCCESS;
}
