drm/amd/pm: fulfill SMU13.0.0 cstate control interface

Fulfill the functionality for cstate control.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.0.x
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git 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
index 1d45448..2952932 100644 (file)
--- 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_v13_0_0_message_map[SMU_MSG_MAX_COUNT] =
        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(struct smu_context *smu,
        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_v13_0_0_ppt_funcs = {
        .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)