drm/amd/powerplay: add function to parse pptable for smu11

Add smu_v11_0_parse_pptable function for smu11.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Kevin Wang <Kevin1.Wang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -70,6 +70,7 @@ struct smu_table_context
 	uint32_t			power_play_table_size;
 
 	struct smu_bios_boot_up_values	boot_values;
+	void                            *driver_pptable;
 	struct smu_table		*tables;
 	uint32_t			table_count;
 	struct smu_table		memory_pool;
@@ -177,6 +178,8 @@ struct smu_funcs
 	((smu)->funcs->send_smc_msg? (smu)->funcs->send_smc_msg((smu), (msg)) : 0)
 #define smu_send_smc_msg_with_param(smu, msg, param) \
 	((smu)->funcs->send_smc_msg_with_param? (smu)->funcs->send_smc_msg_with_param((smu), (msg), (param)) : 0)
+#define smu_store_powerplay_table(smu) \
+	((smu)->ppt_funcs->store_powerplay_table ? (smu)->ppt_funcs->store_powerplay_table((smu)) : 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/smu_v11_0.c

@@ -486,6 +486,25 @@ static int smu_v11_0_notify_memory_pool_location(struct smu_context *smu)
 	return ret;
 }
 
+static int smu_v11_0_parse_pptable(struct smu_context *smu)
+{
+	int ret;
+
+	struct smu_table_context *table_context = &smu->smu_table;
+
+	if (table_context->driver_pptable)
+		return -EINVAL;
+
+	table_context->driver_pptable = kzalloc(sizeof(PPTable_t), GFP_KERNEL);
+
+	if (!table_context->driver_pptable)
+		return -ENOMEM;
+
+	ret = smu_store_powerplay_table(smu);
+
+	return ret;
+}
+
 static const struct smu_funcs smu_v11_0_funcs = {
 	.init_microcode = smu_v11_0_init_microcode,
 	.load_microcode = smu_v11_0_load_microcode,
@@ -501,6 +520,7 @@ static const struct smu_funcs smu_v11_0_funcs = {
 	.get_vbios_bootup_values = smu_v11_0_get_vbios_bootup_values,
 	.get_clk_info_from_vbios = smu_v11_0_get_clk_info_from_vbios,
 	.notify_memory_pool_location = smu_v11_0_notify_memory_pool_location,
+	.parse_pptable = smu_v11_0_parse_pptable,
 };
 
 void smu_v11_0_set_smu_funcs(struct smu_context *smu)

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

@@ -38,6 +38,17 @@
 
 static int vega20_store_powerplay_table(struct smu_context *smu)
 {
+	ATOM_Vega20_POWERPLAYTABLE *powerplay_table = NULL;
+	struct smu_table_context *table_context = &smu->smu_table;
+
+	if (!table_context->power_play_table)
+		return -EINVAL;
+
+	powerplay_table = table_context->power_play_table;
+
+	memcpy(table_context->driver_pptable, &powerplay_table->smcPPTable,
+	       sizeof(PPTable_t));
+
 	return 0;
 }