[PATCH 2/5] drm/amd/pm: skip to load smu microcode on sriov for aldebaran

[Kevin Wang]

1. skip to load smu firmware in sriov mode for aldebaran chip
2. using vbios pptable if in sriov mode.

Signed-off-by: Kevin Wang <kevin1.wang at amd.com>
---
 .../gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c    | 66 ++++++++++---------
 1 file changed, 36 insertions(+), 30 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
index a421ba85bd6d..a0ca7e7a0903 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
@@ -85,6 +85,10 @@ int smu_v13_0_init_microcode(struct smu_context *smu)
 	const struct common_firmware_header *header;
 	struct amdgpu_firmware_info *ucode = NULL;
 
+	/* doesn't need to load smu firmware in IOV mode */
+	if (amdgpu_sriov_vf(adev))
+		return 0;
+
 	switch (adev->asic_type) {
 	case CHIP_ALDEBARAN:
 		chip_name = "aldebaran";
@@ -279,41 +283,43 @@ int smu_v13_0_setup_pptable(struct smu_context *smu)
 	void *table;
 	uint16_t version_major, version_minor;
 
+	if (!amdgpu_sriov_vf(adev)) {
+		if (amdgpu_smu_pptable_id >= 0) {
+			smu->smu_table.boot_values.pp_table_id = amdgpu_smu_pptable_id;
+			dev_info(adev->dev, "override pptable id %d\n", amdgpu_smu_pptable_id);
+		}
 
-	if (amdgpu_smu_pptable_id >= 0) {
-		smu->smu_table.boot_values.pp_table_id = amdgpu_smu_pptable_id;
-		dev_info(adev->dev, "override pptable id %d\n", amdgpu_smu_pptable_id);
-	}
-
-	hdr = (const struct smc_firmware_header_v1_0 *) adev->pm.fw->data;
-	version_major = le16_to_cpu(hdr->header.header_version_major);
-	version_minor = le16_to_cpu(hdr->header.header_version_minor);
-	if (version_major == 2 && smu->smu_table.boot_values.pp_table_id > 0) {
-		dev_info(adev->dev, "use driver provided pptable %d\n", smu->smu_table.boot_values.pp_table_id);
-		switch (version_minor) {
-		case 1:
-			ret = smu_v13_0_set_pptable_v2_1(smu, &table, &size,
-							 smu->smu_table.boot_values.pp_table_id);
-			break;
-		default:
-			ret = -EINVAL;
-			break;
+		hdr = (const struct smc_firmware_header_v1_0 *) adev->pm.fw->data;
+		version_major = le16_to_cpu(hdr->header.header_version_major);
+		version_minor = le16_to_cpu(hdr->header.header_version_minor);
+		if (version_major == 2 && smu->smu_table.boot_values.pp_table_id > 0) {
+			dev_info(adev->dev, "use driver provided pptable %d\n", smu->smu_table.boot_values.pp_table_id);
+			switch (version_minor) {
+			case 1:
+				ret = smu_v13_0_set_pptable_v2_1(smu, &table, &size,
+								 smu->smu_table.boot_values.pp_table_id);
+				break;
+			default:
+				ret = -EINVAL;
+				break;
+			}
+			if (ret)
+				return ret;
+			goto out;
 		}
-		if (ret)
-			return ret;
+	}
 
-	} else {
-		dev_info(adev->dev, "use vbios provided pptable\n");
-		index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
-						    powerplayinfo);
+	dev_info(adev->dev, "use vbios provided pptable\n");
+	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
+					    powerplayinfo);
 
-		ret = amdgpu_atombios_get_data_table(adev, index, &atom_table_size, &frev, &crev,
-						     (uint8_t **)&table);
-		if (ret)
-			return ret;
-		size = atom_table_size;
-	}
+	ret = amdgpu_atombios_get_data_table(adev, index, &atom_table_size, &frev, &crev,
+					     (uint8_t **)&table);
+	if (ret)
+		return ret;
 
+	size = atom_table_size;
+out:
 	if (!smu->smu_table.power_play_table)
 		smu->smu_table.power_play_table = table;
 	if (!smu->smu_table.power_play_table_size)
-- 
2.25.1