From: Evan Quan <evan.quan@xxxxxxx> commit 528c0e66e0c01a8c078d2d94431db80f9c75d2a0 upstream. Fulfill the functionality for cstate control. Signed-off-by: Evan Quan <evan.quan@xxxxxxx> Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx> Reviewed-by: Lijo Lazar <lijo.lazar@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Cc: stable@xxxxxxxxxxxxxxx # 6.0.x Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c | 11 +++++++++++ 1 file changed, 11 insertions(+) --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c @@ -119,6 +119,7 @@ static struct cmn2asic_msg_mapping smu_v MSG_MAP(NotifyPowerSource, PPSMC_MSG_NotifyPowerSource, 0), MSG_MAP(Mode1Reset, PPSMC_MSG_Mode1Reset, 0), MSG_MAP(PrepareMp1ForUnload, PPSMC_MSG_PrepareMp1ForUnload, 0), + MSG_MAP(DFCstateControl, PPSMC_MSG_SetExternalClientDfCstateAllow, 0), }; static struct cmn2asic_mapping smu_v13_0_0_clk_map[SMU_CLK_COUNT] = { @@ -1753,6 +1754,15 @@ static int smu_v13_0_0_set_mp1_state(str return ret; } +static int smu_v13_0_0_set_df_cstate(struct smu_context *smu, + enum pp_df_cstate state) +{ + return smu_cmn_send_smc_msg_with_param(smu, + SMU_MSG_DFCstateControl, + state, + NULL); +} + static const struct pptable_funcs smu_v13_0_0_ppt_funcs = { .get_allowed_feature_mask = smu_v13_0_0_get_allowed_feature_mask, .set_default_dpm_table = smu_v13_0_0_set_default_dpm_table, @@ -1822,6 +1832,7 @@ static const struct pptable_funcs smu_v1 .mode1_reset_is_support = smu_v13_0_0_is_mode1_reset_supported, .mode1_reset = smu_v13_0_mode1_reset, .set_mp1_state = smu_v13_0_0_set_mp1_state, + .set_df_cstate = smu_v13_0_0_set_df_cstate, }; void smu_v13_0_0_set_ppt_funcs(struct smu_context *smu)