Populate the correct highest vddc setting on Polaris.
Change-Id: Iabbfa11ddd44352610d71079bdeccc2540253365
Signed-off-by: Evan Quan <[email protected]>
Acked-by: Alex Deucher <[email protected]>
---
.../drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c | 30 +++++++++++++++++--
1 file changed, 28 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
index 1f13b88409c7..7eca860236db 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
@@ -2282,6 +2282,28 @@ static int smu7_complete_dependency_tables(struct
pp_hwmgr *hwmgr)
return result;
}
+static int smu7_find_highest_vddc(struct pp_hwmgr *hwmgr)
+{
+ struct phm_ppt_v1_information *table_info =
+ (struct phm_ppt_v1_information *)(hwmgr->pptable);
+ struct phm_ppt_v1_clock_voltage_dependency_table
*allowed_sclk_vdd_table =
+ table_info->vdd_dep_on_sclk;
+ struct phm_ppt_v1_voltage_lookup_table *lookup_table =
+ table_info->vddc_lookup_table;
+ uint16_t highest_voltage;
+ uint32_t i;
+
+ highest_voltage =
allowed_sclk_vdd_table->entries[allowed_sclk_vdd_table->count - 1].vddc;
+
+ for (i = 0; i < lookup_table->count; i++) {
+ if (lookup_table->entries[i].us_vdd < ATOM_VIRTUAL_VOLTAGE_ID0
&&
+ lookup_table->entries[i].us_vdd > highest_voltage)
+ highest_voltage = lookup_table->entries[i].us_vdd;
+ }
+
+ return highest_voltage;
+}
+
static int smu7_set_private_data_based_on_pptable_v1(struct pp_hwmgr *hwmgr)
{
struct phm_ppt_v1_information *table_info =
@@ -2310,8 +2332,12 @@ static int
smu7_set_private_data_based_on_pptable_v1(struct pp_hwmgr *hwmgr)
allowed_sclk_vdd_table->entries[allowed_sclk_vdd_table->count -
1].clk;
table_info->max_clock_voltage_on_ac.mclk =
allowed_mclk_vdd_table->entries[allowed_mclk_vdd_table->count -
1].clk;
- table_info->max_clock_voltage_on_ac.vddc =
- allowed_sclk_vdd_table->entries[allowed_sclk_vdd_table->count -
1].vddc;
+ if (hwmgr->chip_id >= CHIP_POLARIS10 && hwmgr->chip_id <= CHIP_VEGAM)
+ table_info->max_clock_voltage_on_ac.vddc =
+ smu7_find_highest_vddc(hwmgr);
+ else
+ table_info->max_clock_voltage_on_ac.vddc =
+
allowed_sclk_vdd_table->entries[allowed_sclk_vdd_table->count - 1].vddc;
table_info->max_clock_voltage_on_ac.vddci =
allowed_mclk_vdd_table->entries[allowed_mclk_vdd_table->count -
1].vddci;
--
2.28.0
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