forked from Minki/linux
drm/amdgpu: Add gfx_off support in smu through pp_set_powergating_by_smu
we can take gfx off feature as gfx power gate. gfx off feature is also controled by smu. so add gfx_off support in pp_set_powergating_by_smu. Reviewed-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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@ -1730,16 +1730,11 @@ static int amdgpu_device_ip_late_set_cg_state(struct amdgpu_device *adev)
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}
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}
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if (adev->powerplay.pp_feature & PP_GFXOFF_MASK) {
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if (adev->powerplay.pp_feature & PP_GFXOFF_MASK)
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/* enable gfx powergating */
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amdgpu_device_ip_set_powergating_state(adev,
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AMD_IP_BLOCK_TYPE_GFX,
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AMD_PG_STATE_GATE);
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/* enable gfxoff */
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amdgpu_device_ip_set_powergating_state(adev,
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AMD_IP_BLOCK_TYPE_SMC,
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AMD_PG_STATE_GATE);
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}
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return 0;
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}
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@ -1812,6 +1807,8 @@ static int amdgpu_device_ip_fini(struct amdgpu_device *adev)
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adev->ip_blocks[i].version->funcs->name, r);
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return r;
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}
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if (adev->powerplay.pp_funcs->set_powergating_by_smu)
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amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, false);
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r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev);
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/* XXX handle errors */
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if (r) {
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@ -1921,12 +1918,6 @@ int amdgpu_device_ip_suspend(struct amdgpu_device *adev)
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if (amdgpu_sriov_vf(adev))
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amdgpu_virt_request_full_gpu(adev, false);
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/* ungate SMC block powergating */
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if (adev->powerplay.pp_feature & PP_GFXOFF_MASK)
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amdgpu_device_ip_set_powergating_state(adev,
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AMD_IP_BLOCK_TYPE_SMC,
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AMD_PG_STATE_UNGATE);
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/* ungate SMC block first */
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r = amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_SMC,
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AMD_CG_STATE_UNGATE);
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@ -1934,6 +1925,10 @@ int amdgpu_device_ip_suspend(struct amdgpu_device *adev)
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DRM_ERROR("set_clockgating_state(ungate) SMC failed %d\n", r);
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}
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/* call smu to disable gfx off feature first when suspend */
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if (adev->powerplay.pp_funcs->set_powergating_by_smu)
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amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, false);
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for (i = adev->num_ip_blocks - 1; i >= 0; i--) {
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if (!adev->ip_blocks[i].status.valid)
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continue;
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@ -3714,6 +3714,10 @@ static int gfx_v9_0_set_powergating_state(void *handle,
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/* update mgcg state */
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gfx_v9_0_update_gfx_mg_power_gating(adev, enable);
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/* set gfx off through smu */
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if (enable && adev->powerplay.pp_funcs->set_powergating_by_smu)
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amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, true);
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break;
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default:
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break;
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@ -221,23 +221,7 @@ static int pp_sw_reset(void *handle)
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static int pp_set_powergating_state(void *handle,
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enum amd_powergating_state state)
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{
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struct amdgpu_device *adev = handle;
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struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
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int ret;
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if (!hwmgr || !hwmgr->pm_en)
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return 0;
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if (hwmgr->hwmgr_func->gfx_off_control) {
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/* Enable/disable GFX off through SMU */
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ret = hwmgr->hwmgr_func->gfx_off_control(hwmgr,
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state == AMD_PG_STATE_GATE);
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if (ret)
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pr_err("gfx off control failed!\n");
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}
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return 0;
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}
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static int pp_suspend(void *handle)
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