This is the callback function that is going to be invoked
when amdgpu_dpm_set_df_cstate is called to toggle DFCstate
Signed-off-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
---
drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | 23 ++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
index 14ba6aa876e2..d3c4e7a8c1b1 100644
--- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
@@ -127,6 +127,7 @@ static struct smu_11_0_cmn2aisc_mapping arcturus_message_map[SMU_MSG_MAX_COUNT]
MSG_MAP(WaflTest, PPSMC_MSG_WaflTest),
MSG_MAP(SetXgmiMode, PPSMC_MSG_SetXgmiMode),
MSG_MAP(SetMemoryChannelEnable, PPSMC_MSG_SetMemoryChannelEnable),
+ MSG_MAP(DFCstateControl, PPSMC_MSG_DFCstateControl),
};
static struct smu_11_0_cmn2aisc_mapping arcturus_clk_map[SMU_CLK_COUNT] = {
@@ -2214,6 +2215,27 @@ static uint32_t arcturus_get_pptable_power_limit(struct smu_context *smu)
return pptable->SocketPowerLimitAc[PPT_THROTTLER_PPT0];
}
+static int arcturus_set_df_cstate(struct smu_context *smu,
+ enum pp_df_cstate state)
+{
+ 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_DFCstateControl is supported by 54.15.0 and onwards */
+ if (smu_version < 0x360F00) {
+ pr_err("DFCstateControl is only supported by PMFW 54.15.0 and onwards\n");
+ return -EINVAL;
+ }
+
+ return smu_send_smc_msg_with_param(smu, SMU_MSG_DFCstateControl, state);
+}
+
static const struct pptable_funcs arcturus_ppt_funcs = {
/* translate smu index into arcturus specific index */
.get_smu_msg_index = arcturus_get_smu_msg_index,
@@ -2307,6 +2329,7 @@ static const struct pptable_funcs arcturus_ppt_funcs = {
.set_soft_freq_limited_range = smu_v11_0_set_soft_freq_limited_range,
.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,
};
void arcturus_set_ppt_funcs(struct smu_context *smu)
--
2.17.1
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