The patch below does not apply to the 6.1-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
Possible dependencies:
c6863be23179 ("drm/amd/pm: fulfill SMU13.0.0 cstate control interface")
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From c6863be231791fa80dca203b9295780488671195 Mon Sep 17 00:00:00 2001
From: Evan Quan <evan.quan@xxxxxxx>
Date: Thu, 29 Sep 2022 10:24:51 +0800
Subject: [PATCH] drm/amd/pm: fulfill SMU13.0.0 cstate control interface
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
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 1d454485e0d9..29529328152d 100644
--- 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)
