drm/amd/powerplay: implement get_vbios_bootup_values function for smu11 (v2)

This patch implements get_vbios_bootup_values function for smu11 to fetach
firmwareinfo member from atombios.

v2: use switch statement based on the content revision (Alex)
Signed-off-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/smu_v11_0.c

@@ -343,6 +343,64 @@ static int smu_v11_0_fini_power(struct smu_context *smu)
 	return 0;
 }
 
+int smu_v11_0_get_vbios_bootup_values(struct smu_context *smu)
+{
+	int ret, index;
+	uint16_t size;
+	uint8_t frev, crev;
+	struct atom_common_table_header *header;
+	struct atom_firmware_info_v3_3 *v_3_3;
+	struct atom_firmware_info_v3_1 *v_3_1;
+
+	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
+					    firmwareinfo);
+
+	ret = smu_get_atom_data_table(smu, index, &size, &frev, &crev,
+				      (uint8_t **)&header);
+	if (ret)
+		return ret;
+
+	if (header->format_revision != 3) {
+		pr_err("unknown atom_firmware_info version! for smu11\n");
+		return -EINVAL;
+	}
+
+	switch (header->content_revision) {
+	case 0:
+	case 1:
+	case 2:
+		v_3_1 = (struct atom_firmware_info_v3_1 *)header;
+		smu->smu_table.boot_values.revision = v_3_1->firmware_revision;
+		smu->smu_table.boot_values.gfxclk = v_3_1->bootup_sclk_in10khz;
+		smu->smu_table.boot_values.uclk = v_3_1->bootup_mclk_in10khz;
+		smu->smu_table.boot_values.socclk = 0;
+		smu->smu_table.boot_values.dcefclk = 0;
+		smu->smu_table.boot_values.vddc = v_3_1->bootup_vddc_mv;
+		smu->smu_table.boot_values.vddci = v_3_1->bootup_vddci_mv;
+		smu->smu_table.boot_values.mvddc = v_3_1->bootup_mvddc_mv;
+		smu->smu_table.boot_values.vdd_gfx = v_3_1->bootup_vddgfx_mv;
+		smu->smu_table.boot_values.cooling_id = v_3_1->coolingsolution_id;
+		smu->smu_table.boot_values.pp_table_id = 0;
+		break;
+	case 3:
+	default:
+		v_3_3 = (struct atom_firmware_info_v3_3 *)header;
+		smu->smu_table.boot_values.revision = v_3_3->firmware_revision;
+		smu->smu_table.boot_values.gfxclk = v_3_3->bootup_sclk_in10khz;
+		smu->smu_table.boot_values.uclk = v_3_3->bootup_mclk_in10khz;
+		smu->smu_table.boot_values.socclk = 0;
+		smu->smu_table.boot_values.dcefclk = 0;
+		smu->smu_table.boot_values.vddc = v_3_3->bootup_vddc_mv;
+		smu->smu_table.boot_values.vddci = v_3_3->bootup_vddci_mv;
+		smu->smu_table.boot_values.mvddc = v_3_3->bootup_mvddc_mv;
+		smu->smu_table.boot_values.vdd_gfx = v_3_3->bootup_vddgfx_mv;
+		smu->smu_table.boot_values.cooling_id = v_3_3->coolingsolution_id;
+		smu->smu_table.boot_values.pp_table_id = v_3_3->pplib_pptable_id;
+	}
+
+	return 0;
+}
+
 static const struct smu_funcs smu_v11_0_funcs = {
 	.init_microcode = smu_v11_0_init_microcode,
 	.load_microcode = smu_v11_0_load_microcode,
@@ -355,6 +413,7 @@ static const struct smu_funcs smu_v11_0_funcs = {
 	.fini_smc_tables = smu_v11_0_fini_smc_tables,
 	.init_power = smu_v11_0_init_power,
 	.fini_power = smu_v11_0_fini_power,
+	.get_vbios_bootup_values = smu_v11_0_get_vbios_bootup_values,
 };
 
 void smu_v11_0_set_smu_funcs(struct smu_context *smu)