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drm/amd/pm: skip to load smu microcode on sriov for aldebaran

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v1:
1. skip to load smu firmware in sriov mode for aldebaran chip
2. using vbios pptable if in sriov mode.

v2:
clean up smu driver code in sriov code path

Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kevin Wang
2021-08-11 15:52:02 +08:00
committed by Alex Deucher
parent 19838cbae7
commit 4a1cac2559
1 changed files with 75 additions and 37 deletions
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112
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
View File

@@ -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";
@@ -268,52 +272,86 @@ static int smu_v13_0_set_pptable_v2_1(struct smu_context *smu, void **table,
return 0;
}
static int smu_v13_0_get_pptable_from_vbios(struct smu_context *smu, void **table, uint32_t *size)
{
struct amdgpu_device *adev = smu->adev;
uint16_t atom_table_size;
uint8_t frev, crev;
int ret, index;
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;
if (size)
*size = atom_table_size;
return 0;
}
static int smu_v13_0_get_pptable_from_firmware(struct smu_context *smu, void **table, uint32_t *size,
uint32_t pptable_id)
{
const struct smc_firmware_header_v1_0 *hdr;
struct amdgpu_device *adev = smu->adev;
uint16_t version_major, version_minor;
int ret;
hdr = (const struct smc_firmware_header_v1_0 *) adev->pm.fw->data;
if (!hdr)
return -EINVAL;
dev_info(adev->dev, "use driver provided pptable %d\n", pptable_id);
version_major = le16_to_cpu(hdr->header.header_version_major);
version_minor = le16_to_cpu(hdr->header.header_version_minor);
if (version_major != 2) {
dev_err(adev->dev, "Unsupported smu firwmare version %d.%d\n",
version_major, version_minor);
return -EINVAL;
}
switch (version_minor) {
case 1:
ret = smu_v13_0_set_pptable_v2_1(smu, table, size, pptable_id);
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
int smu_v13_0_setup_pptable(struct smu_context *smu)
{
struct amdgpu_device *adev = smu->adev;
const struct smc_firmware_header_v1_0 *hdr;
int ret, index;
uint32_t size = 0;
uint16_t atom_table_size;
uint8_t frev, crev;
uint32_t size = 0, pptable_id = 0;
void *table;
uint16_t version_major, version_minor;
int ret = 0;
/* override pptable_id from driver parameter */
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;
}
if (ret)
return ret;
pptable_id = amdgpu_smu_pptable_id;
dev_info(adev->dev, "override pptable id %d\n", pptable_id);
} 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);
ret = amdgpu_atombios_get_data_table(adev, index, &atom_table_size, &frev, &crev,
(uint8_t **)&table);
if (ret)
return ret;
size = atom_table_size;
pptable_id = smu->smu_table.boot_values.pp_table_id;
}
/* force using vbios pptable in sriov mode */
if (amdgpu_sriov_vf(adev) || !pptable_id)
ret = smu_v13_0_get_pptable_from_vbios(smu, &table, &size);
else
ret = smu_v13_0_get_pptable_from_firmware(smu, &table, &size, pptable_id);
if (ret)
return ret;
if (!smu->smu_table.power_play_table)
smu->smu_table.power_play_table = table;
if (!smu->smu_table.power_play_table_size)