diff options
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/include/kgd_pp_interface.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 16 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c | 19 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/inc/hwmgr.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/smumgr/vega20_smumgr.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/smumgr/vega20_smumgr.h | 2 |
6 files changed, 40 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/include/kgd_pp_interface.h b/drivers/gpu/drm/amd/include/kgd_pp_interface.h index 0de4e37fe7da..27cf0afaa0b4 100644 --- a/drivers/gpu/drm/amd/include/kgd_pp_interface.h +++ b/drivers/gpu/drm/amd/include/kgd_pp_interface.h @@ -275,6 +275,7 @@ struct amd_pm_funcs { int (*set_power_profile_mode)(void *handle, long *input, uint32_t size); int (*odn_edit_dpm_table)(void *handle, uint32_t type, long *input, uint32_t size); int (*set_mp1_state)(void *handle, enum pp_mp1_state mp1_state); + int (*smu_i2c_bus_access)(void *handle, bool acquire); /* export to DC */ u32 (*get_sclk)(void *handle, bool low); u32 (*get_mclk)(void *handle, bool low); diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c index 7ef202761998..fa636cb462c1 100644 --- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c @@ -1528,6 +1528,21 @@ static int pp_asic_reset_mode_2(void *handle) return ret; } +static int pp_smu_i2c_bus_access(void *handle, bool acquire) +{ + struct pp_hwmgr *hwmgr = handle; + + if (!hwmgr || !hwmgr->pm_en) + return -EINVAL; + + if (hwmgr->hwmgr_func->smu_i2c_bus_access == NULL) { + pr_info_ratelimited("%s was not implemented.\n", __func__); + return -EINVAL; + } + + return hwmgr->hwmgr_func->smu_i2c_bus_access(hwmgr, acquire); +} + static const struct amd_pm_funcs pp_dpm_funcs = { .load_firmware = pp_dpm_load_fw, .wait_for_fw_loading_complete = pp_dpm_fw_loading_complete, @@ -1585,4 +1600,5 @@ static const struct amd_pm_funcs pp_dpm_funcs = { .get_ppfeature_status = pp_get_ppfeature_status, .set_ppfeature_status = pp_set_ppfeature_status, .asic_reset_mode_2 = pp_asic_reset_mode_2, + .smu_i2c_bus_access = pp_smu_i2c_bus_access, }; diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c index 98a6f5305974..03e8288c3a0d 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c @@ -4089,6 +4089,24 @@ static int vega20_get_thermal_temperature_range(struct pp_hwmgr *hwmgr, return 0; } +static int vega20_smu_i2c_bus_access(struct pp_hwmgr *hwmgr, bool acquire) +{ + int res; + + /* I2C bus access can happen very early, when SMU not loaded yet */ + if (!vega20_is_smc_ram_running(hwmgr)) + return 0; + + res = smum_send_msg_to_smc_with_parameter(hwmgr, + (acquire ? + PPSMC_MSG_RequestI2CBus : + PPSMC_MSG_ReleaseI2CBus), + 0); + + PP_ASSERT_WITH_CODE(!res, "[SmuI2CAccessBus] Failed to access bus!", return res); + return res; +} + static const struct pp_hwmgr_func vega20_hwmgr_funcs = { /* init/fini related */ .backend_init = vega20_hwmgr_backend_init, @@ -4156,6 +4174,7 @@ static const struct pp_hwmgr_func vega20_hwmgr_funcs = { .get_asic_baco_state = vega20_baco_get_state, .set_asic_baco_state = vega20_baco_set_state, .set_mp1_state = vega20_set_mp1_state, + .smu_i2c_bus_access = vega20_smu_i2c_bus_access, }; int vega20_hwmgr_init(struct pp_hwmgr *hwmgr) diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h index abeff1570277..7bf9a14bfa0b 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h +++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h @@ -354,6 +354,7 @@ struct pp_hwmgr_func { int (*set_ppfeature_status)(struct pp_hwmgr *hwmgr, uint64_t ppfeature_masks); int (*set_mp1_state)(struct pp_hwmgr *hwmgr, enum pp_mp1_state mp1_state); int (*asic_reset)(struct pp_hwmgr *hwmgr, enum SMU_ASIC_RESET_MODE mode); + int (*smu_i2c_bus_access)(struct pp_hwmgr *hwmgr, bool aquire); }; struct pp_table_func { diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/vega20_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/vega20_smumgr.c index 3e97b83950dc..b9089c6bea85 100644 --- a/drivers/gpu/drm/amd/powerplay/smumgr/vega20_smumgr.c +++ b/drivers/gpu/drm/amd/powerplay/smumgr/vega20_smumgr.c @@ -44,7 +44,7 @@ #define smnMP0_FW_INTF 0x30101c0 #define smnMP1_PUB_CTRL 0x3010b14 -static bool vega20_is_smc_ram_running(struct pp_hwmgr *hwmgr) +bool vega20_is_smc_ram_running(struct pp_hwmgr *hwmgr) { struct amdgpu_device *adev = hwmgr->adev; uint32_t mp1_fw_flags; diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/vega20_smumgr.h b/drivers/gpu/drm/amd/powerplay/smumgr/vega20_smumgr.h index ec953ab13e87..62ebbfd6068f 100644 --- a/drivers/gpu/drm/amd/powerplay/smumgr/vega20_smumgr.h +++ b/drivers/gpu/drm/amd/powerplay/smumgr/vega20_smumgr.h @@ -57,5 +57,7 @@ int vega20_get_activity_monitor_coeff(struct pp_hwmgr *hwmgr, uint8_t *table, uint16_t workload_type); int vega20_set_pptable_driver_address(struct pp_hwmgr *hwmgr); +bool vega20_is_smc_ram_running(struct pp_hwmgr *hwmgr); + #endif |