[PATCH AUTOSEL 5.8 08/12] drm/amd/pm: Removed fixed clock in auto mode DPM

From: Sasha Levin
Date: Mon Oct 05 2020 - 10:45:29 EST


From: Sudheesh Mavila <sudheesh.mavila@xxxxxxx>

[ Upstream commit 97cf32996c46d9935cc133d910a75fb687dd6144 ]

SMU10_UMD_PSTATE_PEAK_FCLK value should not be used to set the DPM.

Suggested-by: Evan Quan <evan.quan@xxxxxxx>
Reviewed-by: Evan Quan <evan.quan@xxxxxxx>
Signed-off-by: Sudheesh Mavila <sudheesh.mavila@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
index 9ee8cf8267c88..43f7adff6cb74 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
@@ -563,6 +563,8 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
struct smu10_hwmgr *data = hwmgr->backend;
uint32_t min_sclk = hwmgr->display_config->min_core_set_clock;
uint32_t min_mclk = hwmgr->display_config->min_mem_set_clock/100;
+ uint32_t index_fclk = data->clock_vol_info.vdd_dep_on_fclk->count - 1;
+ uint32_t index_socclk = data->clock_vol_info.vdd_dep_on_socclk->count - 1;

if (hwmgr->smu_version < 0x1E3700) {
pr_info("smu firmware version too old, can not set dpm level\n");
@@ -676,13 +678,13 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinFclkByFreq,
hwmgr->display_config->num_display > 3 ?
- SMU10_UMD_PSTATE_PEAK_FCLK :
+ data->clock_vol_info.vdd_dep_on_fclk->entries[0].clk :
min_mclk,
NULL);

smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinSocclkByFreq,
- SMU10_UMD_PSTATE_MIN_SOCCLK,
+ data->clock_vol_info.vdd_dep_on_socclk->entries[0].clk,
NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinVcn,
@@ -695,11 +697,11 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxFclkByFreq,
- SMU10_UMD_PSTATE_PEAK_FCLK,
+ data->clock_vol_info.vdd_dep_on_fclk->entries[index_fclk].clk,
NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxSocclkByFreq,
- SMU10_UMD_PSTATE_PEAK_SOCCLK,
+ data->clock_vol_info.vdd_dep_on_socclk->entries[index_socclk].clk,
NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxVcn,
--
2.25.1