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From 8b6a86ba907c75c31229df0f3ec4ce25b381376e Mon Sep 17 00:00:00 2001
From: Eric Huang <JinHuiEric.Huang@amd.com>
Date: Fri, 17 Nov 2017 11:31:09 -0500
Subject: [PATCH 4333/5725] 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>
---
.../amd/powerplay/hwmgr/process_pptables_v1_0.c | 37 ++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c b/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c
index 8516516..f0d48b1 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c
@@ -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;
--
2.7.4
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