From: Rex Zhu <Rex.Zhu@amd.com>
Date: Tue, 2 Jan 2018 15:20:55 +0800
Subject: drm/amd/pp: Add update_avfs call when set_power_state
Git-commit: 3c9d1fde7f63b6f7f30e9a5366fbc2fe249e0b74
Patch-mainline: v4.17-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
when Overdrive voltage, need to disable AVFS.
when OverDriv engine clock, need to recalculate
AVFS voltage by disable/enable avfs feature.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 85 +++++++++++++++--------
1 file changed, 57 insertions(+), 28 deletions(-)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -91,7 +91,6 @@ enum DPM_EVENT_SRC {
DPM_EVENT_SRC_DIGITAL_OR_EXTERNAL = 4
};
-static int smu7_avfs_control(struct pp_hwmgr *hwmgr, bool enable);
static const unsigned long PhwVIslands_Magic = (unsigned long)(PHM_VIslands_Magic);
static int smu7_force_clock_level(struct pp_hwmgr *hwmgr,
enum pp_clock_type type, uint32_t mask);
@@ -1351,6 +1350,58 @@ static int smu7_enable_dpm_tasks(struct
return 0;
}
+static int smu7_avfs_control(struct pp_hwmgr *hwmgr, bool enable)
+{
+ struct smu7_smumgr *smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
+
+ if (smu_data == NULL)
+ return -EINVAL;
+
+ if (smu_data->avfs.avfs_btc_status == AVFS_BTC_NOTSUPPORTED)
+ return 0;
+
+ if (enable) {
+ if (!PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device,
+ CGS_IND_REG__SMC, FEATURE_STATUS, AVS_ON)) {
+ PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(
+ hwmgr, PPSMC_MSG_EnableAvfs),
+ "Failed to enable AVFS!",
+ return -EINVAL);
+ }
+ } else if (PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device,
+ CGS_IND_REG__SMC, FEATURE_STATUS, AVS_ON)) {
+ PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(
+ hwmgr, PPSMC_MSG_DisableAvfs),
+ "Failed to disable AVFS!",
+ return -EINVAL);
+ }
+
+ return 0;
+}
+
+static int smu7_update_avfs(struct pp_hwmgr *hwmgr)
+{
+ struct smu7_smumgr *smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
+ struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
+
+ if (smu_data == NULL)
+ return -EINVAL;
+
+ if (smu_data->avfs.avfs_btc_status == AVFS_BTC_NOTSUPPORTED)
+ return 0;
+
+ if (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_VDDC) {
+ smu7_avfs_control(hwmgr, false);
+ } else if (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_SCLK) {
+ smu7_avfs_control(hwmgr, false);
+ smu7_avfs_control(hwmgr, true);
+ } else {
+ smu7_avfs_control(hwmgr, true);
+ }
+
+ return 0;
+}
+
int smu7_disable_dpm_tasks(struct pp_hwmgr *hwmgr)
{
int tmp_result, result = 0;
@@ -3845,6 +3896,11 @@ static int smu7_set_power_state_tasks(st
"Failed to populate and upload SCLK MCLK DPM levels!",
result = tmp_result);
+ tmp_result = smu7_update_avfs(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to update avfs voltages!",
+ result = tmp_result);
+
tmp_result = smu7_generate_dpm_level_enable_mask(hwmgr, input);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to generate DPM level enabled mask!",
@@ -4622,33 +4678,6 @@ static int smu7_set_power_profile_state(
return result;
}
-static int smu7_avfs_control(struct pp_hwmgr *hwmgr, bool enable)
-{
- struct smu7_smumgr *smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
-
- if (smu_data == NULL)
- return -EINVAL;
-
- if (smu_data->avfs.avfs_btc_status == AVFS_BTC_NOTSUPPORTED)
- return 0;
-
- if (enable) {
- if (!PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device,
- CGS_IND_REG__SMC, FEATURE_STATUS, AVS_ON))
- PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(
- hwmgr, PPSMC_MSG_EnableAvfs),
- "Failed to enable AVFS!",
- return -EINVAL);
- } else if (PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device,
- CGS_IND_REG__SMC, FEATURE_STATUS, AVS_ON))
- PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(
- hwmgr, PPSMC_MSG_DisableAvfs),
- "Failed to disable AVFS!",
- return -EINVAL);
-
- return 0;
-}
-
static int smu7_notify_cac_buffer_info(struct pp_hwmgr *hwmgr,
uint32_t virtual_addr_low,
uint32_t virtual_addr_hi,