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| author | Evan Quan <evan.quan@amd.com> | 2018-07-04 16:44:07 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-07-13 14:45:01 -0500 |
| commit | 991a6b32ce647e9827acc0c72a998e4ffed1d753 (patch) | |
| tree | 9159ebde664f8cab70b0c875b879290cd8f20a2c /drivers/gpu | |
| parent | a5aedc2d18bcb33816545f39f13a37a0c86b3b3d (diff) | |
| download | linux-991a6b32ce647e9827acc0c72a998e4ffed1d753.tar.bz2 | |
drm/amd/powerplay: add vega12 SMU gfxoff support v3
Export apis for enabling/disabling SMU gfxoff support.
v2: fit the latest gfxoff support framework
v3: add feature_mask control
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Huang Rui <ray.huang at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c | 38 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h | 3 |
3 files changed, 46 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index ff754bf1875c..e6d19e7fbfbd 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -3773,6 +3773,11 @@ static int gfx_v9_0_set_powergating_state(void *handle, if (enable && adev->powerplay.pp_funcs->set_powergating_by_smu) amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, true); break; + case CHIP_VEGA12: + /* set gfx off through smu */ + if (enable && adev->powerplay.pp_funcs->set_powergating_by_smu) + amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, true); + break; default: break; } diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c index ed17c560b5ef..cae76fe65881 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c @@ -423,6 +423,11 @@ static int vega12_hwmgr_backend_init(struct pp_hwmgr *hwmgr) hwmgr->thermal_controller.advanceFanControlParameters.usFanPWMMinLimit * hwmgr->thermal_controller.fanInfo.ulMaxRPM / 100; + if (hwmgr->feature_mask & PP_GFXOFF_MASK) + data->gfxoff_controlled_by_driver = true; + else + data->gfxoff_controlled_by_driver = false; + return result; } @@ -2328,6 +2333,38 @@ static int vega12_get_thermal_temperature_range(struct pp_hwmgr *hwmgr, return 0; } +static int vega12_enable_gfx_off(struct pp_hwmgr *hwmgr) +{ + struct vega12_hwmgr *data = + (struct vega12_hwmgr *)(hwmgr->backend); + int ret = 0; + + if (data->gfxoff_controlled_by_driver) + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_AllowGfxOff); + + return ret; +} + +static int vega12_disable_gfx_off(struct pp_hwmgr *hwmgr) +{ + struct vega12_hwmgr *data = + (struct vega12_hwmgr *)(hwmgr->backend); + int ret = 0; + + if (data->gfxoff_controlled_by_driver) + ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_DisallowGfxOff); + + return ret; +} + +static int vega12_gfx_off_control(struct pp_hwmgr *hwmgr, bool enable) +{ + if (enable) + return vega12_enable_gfx_off(hwmgr); + else + return vega12_disable_gfx_off(hwmgr); +} + static const struct pp_hwmgr_func vega12_hwmgr_funcs = { .backend_init = vega12_hwmgr_backend_init, .backend_fini = vega12_hwmgr_backend_fini, @@ -2377,6 +2414,7 @@ static const struct pp_hwmgr_func vega12_hwmgr_funcs = { .get_thermal_temperature_range = vega12_get_thermal_temperature_range, .register_irq_handlers = smu9_register_irq_handlers, .start_thermal_controller = vega12_start_thermal_controller, + .powergate_gfx = vega12_gfx_off_control, }; int vega12_hwmgr_init(struct pp_hwmgr *hwmgr) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h index e17237c90eea..b3e424d28994 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.h @@ -393,6 +393,9 @@ struct vega12_hwmgr { struct vega12_smc_state_table smc_state_table; struct vega12_clock_range clk_range[PPCLK_COUNT]; + + /* ---- Gfxoff ---- */ + bool gfxoff_controlled_by_driver; }; #define VEGA12_DPM2_NEAR_TDP_DEC 10 |