The patch below does not apply to the 6.0-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:
3cf377ee8df7 ("drm/amd/pm: fulfill SMU13.0.7 cstate control interface")
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From 3cf377ee8df7dc4ae5e543c37833ae5a5b2a78d3 Mon Sep 17 00:00:00 2001
From: Evan Quan <evan.quan@xxxxxxx>
Date: Thu, 29 Sep 2022 10:30:01 +0800
Subject: [PATCH] drm/amd/pm: fulfill SMU13.0.7 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_7_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
index c422bf8a09b1..c4102cfb734c 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c
@@ -121,6 +121,7 @@ static struct cmn2asic_msg_mapping smu_v13_0_7_message_map[SMU_MSG_MAX_COUNT] =
MSG_MAP(Mode1Reset, PPSMC_MSG_Mode1Reset, 0),
MSG_MAP(PrepareMp1ForUnload, PPSMC_MSG_PrepareMp1ForUnload, 0),
MSG_MAP(SetMGpuFanBoostLimitRpm, PPSMC_MSG_SetMGpuFanBoostLimitRpm, 0),
+ MSG_MAP(DFCstateControl, PPSMC_MSG_SetExternalClientDfCstateAllow, 0),
};
static struct cmn2asic_mapping smu_v13_0_7_clk_map[SMU_CLK_COUNT] = {
@@ -1587,6 +1588,16 @@ static bool smu_v13_0_7_is_mode1_reset_supported(struct smu_context *smu)
return true;
}
+
+static int smu_v13_0_7_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_7_ppt_funcs = {
.get_allowed_feature_mask = smu_v13_0_7_get_allowed_feature_mask,
.set_default_dpm_table = smu_v13_0_7_set_default_dpm_table,
@@ -1649,6 +1660,7 @@ static const struct pptable_funcs smu_v13_0_7_ppt_funcs = {
.mode1_reset_is_support = smu_v13_0_7_is_mode1_reset_supported,
.mode1_reset = smu_v13_0_mode1_reset,
.set_mp1_state = smu_v13_0_7_set_mp1_state,
+ .set_df_cstate = smu_v13_0_7_set_df_cstate,
};
void smu_v13_0_7_set_ppt_funcs(struct smu_context *smu)
