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drm/amd/powerplay: update process pptables 

Add functionality to fetch gpio table from vbios.

Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
hifive-unleashed-5.1
Eric Huang 2017-11-17 11:31:09 -05:00 committed by Alex Deucher
parent 4eeed17e71
commit 4dc1a2d928
1 changed files with 37 additions and 0 deletions
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37
drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c
View File

@ -728,6 +728,32 @@ static int get_mm_clock_voltage_table(
return 0;
}
static int get_gpio_table(struct pp_hwmgr *hwmgr,
struct phm_ppt_v1_gpio_table **pp_tonga_gpio_table,
const ATOM_Tonga_GPIO_Table *atom_gpio_table)
{
uint32_t table_size;
struct phm_ppt_v1_gpio_table *pp_gpio_table;
struct phm_ppt_v1_information *pp_table_information =
(struct phm_ppt_v1_information *)(hwmgr->pptable);
table_size = sizeof(struct phm_ppt_v1_gpio_table);
pp_gpio_table = kzalloc(table_size, GFP_KERNEL);
if (!pp_gpio_table)
return -ENOMEM;
if (pp_table_information->vdd_dep_on_sclk->count <
atom_gpio_table->ucVRHotTriggeredSclkDpmIndex)
PP_ASSERT_WITH_CODE(false,
"SCLK DPM index for VRHot cannot exceed the total sclk level count!",);
else
pp_gpio_table->vrhot_triggered_sclk_dpm_index =
atom_gpio_table->ucVRHotTriggeredSclkDpmIndex;
*pp_tonga_gpio_table = pp_gpio_table;
return 0;
}
/**
* Private Function used during initialization.
* Initialize clock voltage dependency
@ -761,11 +787,15 @@ static int init_clock_voltage_dependency(
const PPTable_Generic_SubTable_Header *pcie_table =
(const PPTable_Generic_SubTable_Header *)(((unsigned long) powerplay_table) +
le16_to_cpu(powerplay_table->usPCIETableOffset));
const ATOM_Tonga_GPIO_Table *gpio_table =
(const ATOM_Tonga_GPIO_Table *)(((unsigned long) powerplay_table) +
le16_to_cpu(powerplay_table->usGPIOTableOffset));
pp_table_information->vdd_dep_on_sclk = NULL;
pp_table_information->vdd_dep_on_mclk = NULL;
pp_table_information->mm_dep_table = NULL;
pp_table_information->pcie_table = NULL;
pp_table_information->gpio_table = NULL;
if (powerplay_table->usMMDependencyTableOffset != 0)
result = get_mm_clock_voltage_table(hwmgr,
@ -810,6 +840,10 @@ static int init_clock_voltage_dependency(
result = get_valid_clk(hwmgr, &pp_table_information->valid_sclk_values,
pp_table_information->vdd_dep_on_sclk);
if (!result && gpio_table)
result = get_gpio_table(hwmgr, &pp_table_information->gpio_table,
gpio_table);
return result;
}
@ -1116,6 +1150,9 @@ static int pp_tables_v1_0_uninitialize(struct pp_hwmgr *hwmgr)
kfree(pp_table_information->pcie_table);
pp_table_information->pcie_table = NULL;
kfree(pp_table_information->gpio_table);
pp_table_information->gpio_table = NULL;
kfree(hwmgr->pptable);
hwmgr->pptable = NULL;