diff options
| author | John Clements <john.clements@amd.com> | 2020-05-13 17:45:06 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-05-14 17:42:15 -0400 |
| commit | ab9c21124d6e03460c9c59006a61cc076fefa82e (patch) | |
| tree | 2b73e9d734a1b8548a94fb507e82fb430cdfc375 /drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | |
| parent | 29c1ec244ca1c2acfe6a8918967d678e104705c2 (diff) | |
drm/amdgpu: Add cmd to control XGMI link sleep
Added host to SMU FW cmd to enable/disable XGMI link power down
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/arcturus_ppt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c index cfae4bcaf32e..4874a20ccdf1 100644 --- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c @@ -128,6 +128,7 @@ static struct smu_11_0_cmn2aisc_mapping arcturus_message_map[SMU_MSG_MAX_COUNT] MSG_MAP(SetXgmiMode, PPSMC_MSG_SetXgmiMode), MSG_MAP(SetMemoryChannelEnable, PPSMC_MSG_SetMemoryChannelEnable), MSG_MAP(DFCstateControl, PPSMC_MSG_DFCstateControl), + MSG_MAP(GmiPwrDnControl, PPSMC_MSG_GmiPwrDnControl), }; static struct smu_11_0_cmn2aisc_mapping arcturus_clk_map[SMU_CLK_COUNT] = { @@ -2286,6 +2287,35 @@ static int arcturus_set_df_cstate(struct smu_context *smu, return smu_send_smc_msg_with_param(smu, SMU_MSG_DFCstateControl, state, NULL); } +static int arcturus_allow_xgmi_power_down(struct smu_context *smu, bool en) +{ + uint32_t smu_version; + int ret; + + ret = smu_get_smc_version(smu, NULL, &smu_version); + if (ret) { + pr_err("Failed to get smu version!\n"); + return ret; + } + + /* PPSMC_MSG_GmiPwrDnControl is supported by 54.20.0 and onwards */ + if (smu_version < 0x365000) { + pr_err("XGMI power down control is only supported by PMFW 54.20.0 and onwards\n"); + return -EINVAL; + } + + if (en) + return smu_send_smc_msg_with_param(smu, + SMU_MSG_GmiPwrDnControl, + 1, + NULL); + + return smu_send_smc_msg_with_param(smu, + SMU_MSG_GmiPwrDnControl, + 0, + NULL); +} + static const struct pptable_funcs arcturus_ppt_funcs = { /* translate smu index into arcturus specific index */ .get_smu_msg_index = arcturus_get_smu_msg_index, @@ -2379,6 +2409,7 @@ static const struct pptable_funcs arcturus_ppt_funcs = { .override_pcie_parameters = smu_v11_0_override_pcie_parameters, .get_pptable_power_limit = arcturus_get_pptable_power_limit, .set_df_cstate = arcturus_set_df_cstate, + .allow_xgmi_power_down = arcturus_allow_xgmi_power_down, }; void arcturus_set_ppt_funcs(struct smu_context *smu) |