diff options
| author | Victor Zhao <Victor.Zhao@amd.com> | 2022-07-28 10:44:47 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-08-16 18:14:31 -0400 |
| commit | 672c0218e3e22ccaeb2911da8d3b784d3b6cc1d8 (patch) | |
| tree | 10c93731efc1b0909cee67a0b34c9780df70565b /drivers/gpu/drm/amd/pm/swsmu/smu11 | |
| parent | 085292c3d78015412b752ee1ca4c7725fd2bf2fc (diff) | |
drm/amdgpu: add mode2 reset for sienna_cichlid
To meet the requirement for multi container usecase which needs
a quicker reset and not causing VRAM lost, adding the Mode2
reset handler for sienna_cichlid.
v2: move skip mode2 flag part separately
v3: remove the use of asic_reset_res
Signed-off-by: Victor Zhao <Victor.Zhao@amd.com>
Acked-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/pm/swsmu/smu11')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c index 6db67f082d91..7ed4d4265797 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c @@ -154,6 +154,7 @@ static struct cmn2asic_msg_mapping sienna_cichlid_message_map[SMU_MSG_MAX_COUNT] MSG_MAP(SetGpoFeaturePMask, PPSMC_MSG_SetGpoFeaturePMask, 0), MSG_MAP(DisallowGpo, PPSMC_MSG_DisallowGpo, 0), MSG_MAP(Enable2ndUSB20Port, PPSMC_MSG_Enable2ndUSB20Port, 0), + MSG_MAP(DriverMode2Reset, PPSMC_MSG_DriverMode2Reset, 0), }; static struct cmn2asic_mapping sienna_cichlid_clk_map[SMU_CLK_COUNT] = { @@ -4254,6 +4255,57 @@ static int sienna_cichlid_stb_get_data_direct(struct smu_context *smu, return 0; } +static bool sienna_cichlid_is_mode2_reset_supported(struct smu_context *smu) +{ + return true; +} + +static int sienna_cichlid_mode2_reset(struct smu_context *smu) +{ + u32 smu_version; + int ret = 0, index; + struct amdgpu_device *adev = smu->adev; + int timeout = 100; + + smu_cmn_get_smc_version(smu, NULL, &smu_version); + + index = smu_cmn_to_asic_specific_index(smu, CMN2ASIC_MAPPING_MSG, + SMU_MSG_DriverMode2Reset); + + mutex_lock(&smu->message_lock); + + ret = smu_cmn_send_msg_without_waiting(smu, (uint16_t)index, + SMU_RESET_MODE_2); + + ret = smu_cmn_wait_for_response(smu); + while (ret != 0 && timeout) { + ret = smu_cmn_wait_for_response(smu); + /* Wait a bit more time for getting ACK */ + if (ret != 0) { + --timeout; + usleep_range(500, 1000); + continue; + } else { + break; + } + } + + if (!timeout) { + dev_err(adev->dev, + "failed to send mode2 message \tparam: 0x%08x response %#x\n", + SMU_RESET_MODE_2, ret); + goto out; + } + + dev_info(smu->adev->dev, "restore config space...\n"); + /* Restore the config space saved during init */ + amdgpu_device_load_pci_state(adev->pdev); +out: + mutex_unlock(&smu->message_lock); + + return ret; +} + static const struct pptable_funcs sienna_cichlid_ppt_funcs = { .get_allowed_feature_mask = sienna_cichlid_get_allowed_feature_mask, .set_default_dpm_table = sienna_cichlid_set_default_dpm_table, @@ -4349,6 +4401,8 @@ static const struct pptable_funcs sienna_cichlid_ppt_funcs = { .get_default_config_table_settings = sienna_cichlid_get_default_config_table_settings, .set_config_table = sienna_cichlid_set_config_table, .get_unique_id = sienna_cichlid_get_unique_id, + .mode2_reset_is_support = sienna_cichlid_is_mode2_reset_supported, + .mode2_reset = sienna_cichlid_mode2_reset, }; void sienna_cichlid_set_ppt_funcs(struct smu_context *smu) |