drm/amd/powerplay: implement smu_run_afll_btc function

Add smu_run_afll_btc function to send msg to smc to start run afll btc.
Signed-off-by: Kevin Wang <Kevin1.Wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/amdgpu_smu.c

@@ -232,6 +232,7 @@ static int smu_fini_fb_allocations(struct smu_context *smu)
 
 	return 0;
 }
+
 static int smu_smc_table_hw_init(struct smu_context *smu)
 {
 	int ret;
@@ -306,6 +307,11 @@ static int smu_smc_table_hw_init(struct smu_context *smu)
 	if (ret)
 		return ret;
 
+	/* issue RunAfllBtc msg */
+	ret = smu_run_afll_btc(smu);
+	if (ret)
+		return ret;
+
 	/*
 	 * Set min deep sleep dce fclk with bootup value from vbios via
 	 * SetMinDeepSleepDcefclk MSG.

drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h

@@ -195,6 +195,7 @@ struct pptable_funcs {
 	int (*check_powerplay_table)(struct smu_context *smu);
 	int (*append_powerplay_table)(struct smu_context *smu);
 	int (*get_smu_msg_index)(struct smu_context *smu, uint32_t index);
+	int (*run_afll_btc)(struct smu_context *smu);
 };
 
 struct smu_funcs
@@ -289,6 +290,8 @@ struct smu_funcs
 
 #define smu_msg_get_index(smu, msg) \
 	((smu)->ppt_funcs? ((smu)->ppt_funcs->get_smu_msg_index? (smu)->ppt_funcs->get_smu_msg_index((smu), (msg)) : -EINVAL) : -EINVAL)
+#define smu_run_afll_btc(smu) \
+	((smu)->ppt_funcs? ((smu)->ppt_funcs->run_afll_btc? (smu)->ppt_funcs->run_afll_btc((smu)) : 0) : 0)
 
 extern int smu_get_atom_data_table(struct smu_context *smu, uint32_t table,
 				   uint16_t *size, uint8_t *frev, uint8_t *crev,

drivers/gpu/drm/amd/powerplay/vega20_ppt.c

@@ -273,12 +273,18 @@ static int vega20_check_powerplay_table(struct smu_context *smu)
 	return 0;
 }
 
+static int vega20_run_btc_afll(struct smu_context *smu)
+{
+	return smu_send_smc_msg(smu, SMU_MSG_RunAfllBtc);
+}
+
 static const struct pptable_funcs vega20_ppt_funcs = {
 	.alloc_dpm_context = vega20_allocate_dpm_context,
 	.store_powerplay_table = vega20_store_powerplay_table,
 	.check_powerplay_table = vega20_check_powerplay_table,
 	.append_powerplay_table = vega20_append_powerplay_table,
 	.get_smu_msg_index = vega20_get_smu_msg_index,
+	.run_afll_btc = vega20_run_btc_afll,
 };
 
 void vega20_set_ppt_funcs(struct smu_context *smu)