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authorEric Huang <JinHuiEric.Huang@amd.com>2016-04-04 11:52:56 -0400
committerAlex Deucher <alexander.deucher@amd.com>2016-05-04 20:29:39 -0400
commit681ed01c62915656b9807f25e23f18c0d77ad786 (patch)
tree3f725bd1f61feca500c1d7bc3f234fdb666820a7
parent7d367c2aeaf6058e9c55c1d6bff4f5174b65854c (diff)
drm/amd/powerplay: fix bug dpm can't work when resume back on Polaris
Need to initialize the values to 0 since they get or'ed with additional values. If the initialization is missing, on resume, they may end up with a combination of stale data and new data. Fixes dpm on resume. Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
index c3e9acaa6690..2ab3bb25d175 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
@@ -1565,6 +1565,7 @@ static int polaris10_populate_smc_vce_level(struct pp_hwmgr *hwmgr,
for (count = 0; count < table->VceLevelCount; count++) {
table->VceLevel[count].Frequency = mm_table->entries[count].eclk;
+ table->VceLevel[count].MinVoltage = 0;
table->VceLevel[count].MinVoltage |=
(mm_table->entries[count].vddc * VOLTAGE_SCALE) << VDDC_SHIFT;
table->VceLevel[count].MinVoltage |=
@@ -1604,6 +1605,7 @@ static int polaris10_populate_smc_samu_level(struct pp_hwmgr *hwmgr,
for (count = 0; count < table->SamuLevelCount; count++) {
/* not sure whether we need evclk or not */
+ table->SamuLevel[count].MinVoltage = 0;
table->SamuLevel[count].Frequency = mm_table->entries[count].samclock;
table->SamuLevel[count].MinVoltage |= (mm_table->entries[count].vddc *
VOLTAGE_SCALE) << VDDC_SHIFT;
@@ -1696,6 +1698,7 @@ static int polaris10_populate_smc_uvd_level(struct pp_hwmgr *hwmgr,
table->UvdBootLevel = 0;
for (count = 0; count < table->UvdLevelCount; count++) {
+ table->UvdLevel[count].MinVoltage = 0;
table->UvdLevel[count].VclkFrequency = mm_table->entries[count].vclk;
table->UvdLevel[count].DclkFrequency = mm_table->entries[count].dclk;
table->UvdLevel[count].MinVoltage |= (mm_table->entries[count].vddc *
@@ -2011,6 +2014,7 @@ static int polaris10_init_smc_table(struct pp_hwmgr *hwmgr)
if (POLARIS10_VOLTAGE_CONTROL_NONE != data->voltage_control)
polaris10_populate_smc_voltage_tables(hwmgr, table);
+ table->SystemFlags = 0;
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_AutomaticDCTransition))
table->SystemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC;
@@ -2104,6 +2108,7 @@ static int polaris10_init_smc_table(struct pp_hwmgr *hwmgr)
table->MemoryThermThrottleEnable = 1;
table->PCIeBootLinkLevel = 0;
table->PCIeGenInterval = 1;
+ table->VRConfig = 0;
result = polaris10_populate_vr_config(hwmgr, table);
PP_ASSERT_WITH_CODE(0 == result,