diff options
| author | Evan Quan <evan.quan@amd.com> | 2020-12-07 16:53:25 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-12-10 16:41:49 -0500 |
| commit | 0cb4c62125a904259e24016b5e85408c27dc412a (patch) | |
| tree | bdfd752652a20a20ff7b2fce76b7582f1e66553a /drivers | |
| parent | 18a4b3de5fc1c63c80e3be0673886431a56e4307 (diff) | |
drm/amd/pm: correct power limit setting for SMU V11
Correct the power limit setting for SMU V11 asics.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c index 624065d3c079..f2565eed469f 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c @@ -929,9 +929,13 @@ int smu_v11_0_get_current_power_limit(struct smu_context *smu, if (power_src < 0) return -EINVAL; + /* + * BIT 24-31: ControllerId (only PPT0 is supported for now) + * BIT 16-23: PowerSource + */ ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_GetPptLimit, - power_src << 16, + (0 << 24) | (power_src << 16), power_limit); if (ret) dev_err(smu->adev->dev, "[%s] get PPT limit failed!", __func__); @@ -941,6 +945,7 @@ int smu_v11_0_get_current_power_limit(struct smu_context *smu, int smu_v11_0_set_power_limit(struct smu_context *smu, uint32_t n) { + int power_src; int ret = 0; if (!smu_cmn_feature_is_enabled(smu, SMU_FEATURE_PPT_BIT)) { @@ -948,6 +953,22 @@ int smu_v11_0_set_power_limit(struct smu_context *smu, uint32_t n) return -EOPNOTSUPP; } + power_src = smu_cmn_to_asic_specific_index(smu, + CMN2ASIC_MAPPING_PWR, + smu->adev->pm.ac_power ? + SMU_POWER_SOURCE_AC : + SMU_POWER_SOURCE_DC); + if (power_src < 0) + return -EINVAL; + + /* + * BIT 24-31: ControllerId (only PPT0 is supported for now) + * BIT 16-23: PowerSource + * BIT 0-15: PowerLimit + */ + n &= 0xFFFF; + n |= 0 << 24; + n |= (power_src) << 16; ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_SetPptLimit, n, NULL); if (ret) { dev_err(smu->adev->dev, "[%s] Set power limit Failed!\n", __func__); |