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| author | Evan Quan <evan.quan@amd.com> | 2018-09-27 13:43:16 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-10-09 16:59:56 -0500 |
| commit | b55c9e7a11f9993328a46b43f3c9e4ca1962c352 (patch) | |
| tree | a3fca7ef5b30468bbc18e09bae1424e51b7f7a9c /drivers/gpu/drm/amd/powerplay | |
| parent | 62d73fbcfb367104db57253a186f410020289517 (diff) | |
| download | lwn-b55c9e7a11f9993328a46b43f3c9e4ca1962c352.tar.gz lwn-b55c9e7a11f9993328a46b43f3c9e4ca1962c352.zip | |
drm/amd/powerplay: helper interfaces for MGPU fan boost feature
MGPU fan boost feature is enabled only when two or more dGPUs
in the system.
Signed-off-by: Evan Quan <evan.quan@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')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 19 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/inc/hwmgr.h | 1 |
2 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c index da4ebff5b74d..c2e541266273 100644 --- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c @@ -1243,6 +1243,24 @@ static int pp_notify_smu_enable_pwe(void *handle) return 0; } +static int pp_enable_mgpu_fan_boost(void *handle) +{ + struct pp_hwmgr *hwmgr = handle; + + if (!hwmgr || !hwmgr->pm_en) + return -EINVAL; + + if (hwmgr->hwmgr_func->enable_mgpu_fan_boost == NULL) { + return 0; + } + + mutex_lock(&hwmgr->smu_lock); + hwmgr->hwmgr_func->enable_mgpu_fan_boost(hwmgr); + mutex_unlock(&hwmgr->smu_lock); + + return 0; +} + 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, @@ -1287,4 +1305,5 @@ static const struct amd_pm_funcs pp_dpm_funcs = { .display_clock_voltage_request = pp_display_clock_voltage_request, .get_display_mode_validation_clocks = pp_get_display_mode_validation_clocks, .notify_smu_enable_pwe = pp_notify_smu_enable_pwe, + .enable_mgpu_fan_boost = pp_enable_mgpu_fan_boost, }; diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h index a6d92128b19c..8484e2db2554 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h +++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h @@ -328,6 +328,7 @@ struct pp_hwmgr_func { int (*set_power_limit)(struct pp_hwmgr *hwmgr, uint32_t n); int (*powergate_mmhub)(struct pp_hwmgr *hwmgr); int (*smus_notify_pwe)(struct pp_hwmgr *hwmgr); + int (*enable_mgpu_fan_boost)(struct pp_hwmgr *hwmgr); }; struct pp_table_func { |