diff options
| author | Kent Russell <kent.russell@amd.com> | 2020-04-27 09:28:04 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-06-02 16:47:58 -0400 |
| commit | 81a16241114ba4e0b188e517e5e8522951dfeb7b (patch) | |
| tree | e82be507158dae4f8c6f37447cec211e6654d08d /drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | |
| parent | bce9ff0eacaf308a740206bcb69a9e473daf6ac9 (diff) | |
drm/amdgpu: Add unique_id and serial_number for Arcturus v3
Add support for unique_id and serial_number, as these are now
the same value, and will be for future ASICs as well.
v2: Explicitly create unique_id only for VG10/20/ARC
v3: Change set_unique_id to get_unique_id for clarity
Signed-off-by: Kent Russell <kent.russell@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/arcturus_ppt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c index d66ac7457574..df7b408319f7 100644 --- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c @@ -2262,6 +2262,37 @@ static void arcturus_i2c_eeprom_control_fini(struct i2c_adapter *control) i2c_del_adapter(control); } +static void arcturus_get_unique_id(struct smu_context *smu) +{ + struct amdgpu_device *adev = smu->adev; + uint32_t top32, bottom32, smu_version, size; + char sn[16]; + uint64_t id; + + if (smu_get_smc_version(smu, NULL, &smu_version)) { + pr_warn("Failed to get smu version, cannot get unique_id or serial_number\n"); + return; + } + + /* PPSMC_MSG_ReadSerial* is supported by 54.23.0 and onwards */ + if (smu_version < 0x361700) { + pr_warn("ReadSerial is only supported by PMFW 54.23.0 and onwards\n"); + return; + } + + /* Get the SN to turn into a Unique ID */ + smu_send_smc_msg(smu, SMU_MSG_ReadSerialNumTop32, &top32); + smu_send_smc_msg(smu, SMU_MSG_ReadSerialNumBottom32, &bottom32); + + id = ((uint64_t)bottom32 << 32) | top32; + adev->unique_id = id; + /* For Arcturus-and-later, unique_id == serial_number, so convert it to a + * 16-digit HEX string for convenience and backwards-compatibility + */ + size = sprintf(sn, "%llx", id); + memcpy(adev->serial, &sn, size); +} + static bool arcturus_is_baco_supported(struct smu_context *smu) { struct amdgpu_device *adev = smu->adev; @@ -2416,6 +2447,7 @@ static const struct pptable_funcs arcturus_ppt_funcs = { .dpm_set_uvd_enable = arcturus_dpm_set_uvd_enable, .i2c_eeprom_init = arcturus_i2c_eeprom_control_init, .i2c_eeprom_fini = arcturus_i2c_eeprom_control_fini, + .get_unique_id = arcturus_get_unique_id, .init_microcode = smu_v11_0_init_microcode, .load_microcode = smu_v11_0_load_microcode, .init_smc_tables = smu_v11_0_init_smc_tables, |