From 9530273ec90cc0614f6ac56d0c024e2f39886419 Mon Sep 17 00:00:00 2001 From: Evan Quan Date: Tue, 7 Jan 2020 16:57:39 +0800 Subject: drm/amd/powerplay: cover the powerplay implementation details V3 This can save users much troubles. As they do not actually need to care whether swSMU or traditional powerplay routine should be used. V2: apply the fixes to vi.c and cik.c also V3: squash in oops fix Signed-off-by: Evan Quan Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c | 160 ++++++++++++++++++++++++++++++++ 1 file changed, 160 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c index cd76fbf4385d..6c7dca1da992 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c @@ -983,3 +983,163 @@ int amdgpu_dpm_set_powergating_by_smu(struct amdgpu_device *adev, uint32_t block return ret; } + +int amdgpu_dpm_baco_enter(struct amdgpu_device *adev) +{ + const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; + void *pp_handle = adev->powerplay.pp_handle; + struct smu_context *smu = &adev->smu; + int ret = 0; + + if (is_support_sw_smu(adev)) { + ret = smu_baco_enter(smu); + } else { + if (!pp_funcs || !pp_funcs->set_asic_baco_state) + return -ENOENT; + + /* enter BACO state */ + ret = pp_funcs->set_asic_baco_state(pp_handle, 1); + } + + return ret; +} + +int amdgpu_dpm_baco_exit(struct amdgpu_device *adev) +{ + const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; + void *pp_handle = adev->powerplay.pp_handle; + struct smu_context *smu = &adev->smu; + int ret = 0; + + if (is_support_sw_smu(adev)) { + ret = smu_baco_exit(smu); + } else { + if (!pp_funcs || !pp_funcs->set_asic_baco_state) + return -ENOENT; + + /* exit BACO state */ + ret = pp_funcs->set_asic_baco_state(pp_handle, 0); + } + + return ret; +} + +int amdgpu_dpm_set_mp1_state(struct amdgpu_device *adev, + enum pp_mp1_state mp1_state) +{ + int ret = 0; + + if (is_support_sw_smu(adev)) { + ret = smu_set_mp1_state(&adev->smu, mp1_state); + } else if (adev->powerplay.pp_funcs && + adev->powerplay.pp_funcs->set_mp1_state) { + ret = adev->powerplay.pp_funcs->set_mp1_state( + adev->powerplay.pp_handle, + mp1_state); + } + + return ret; +} + +bool amdgpu_dpm_is_baco_supported(struct amdgpu_device *adev) +{ + const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; + void *pp_handle = adev->powerplay.pp_handle; + struct smu_context *smu = &adev->smu; + bool baco_cap; + + if (is_support_sw_smu(adev)) { + return smu_baco_is_support(smu); + } else { + if (!pp_funcs || !pp_funcs->get_asic_baco_capability) + return false; + + if (pp_funcs->get_asic_baco_capability(pp_handle, &baco_cap)) + return false; + + return baco_cap ? true : false; + } +} + +int amdgpu_dpm_mode2_reset(struct amdgpu_device *adev) +{ + const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; + void *pp_handle = adev->powerplay.pp_handle; + struct smu_context *smu = &adev->smu; + + if (is_support_sw_smu(adev)) { + return smu_mode2_reset(smu); + } else { + if (!pp_funcs || !pp_funcs->asic_reset_mode_2) + return -ENOENT; + + return pp_funcs->asic_reset_mode_2(pp_handle); + } +} + +int amdgpu_dpm_baco_reset(struct amdgpu_device *adev) +{ + const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs; + void *pp_handle = adev->powerplay.pp_handle; + struct smu_context *smu = &adev->smu; + int ret = 0; + + dev_info(adev->dev, "GPU BACO reset\n"); + + if (is_support_sw_smu(adev)) { + ret = smu_baco_enter(smu); + if (ret) + return ret; + + ret = smu_baco_exit(smu); + if (ret) + return ret; + } else { + if (!pp_funcs + || !pp_funcs->set_asic_baco_state) + return -ENOENT; + + /* enter BACO state */ + ret = pp_funcs->set_asic_baco_state(pp_handle, 1); + if (ret) + return ret; + + /* exit BACO state */ + ret = pp_funcs->set_asic_baco_state(pp_handle, 0); + if (ret) + return ret; + } + + return 0; +} + +int amdgpu_dpm_switch_power_profile(struct amdgpu_device *adev, + enum PP_SMC_POWER_PROFILE type, + bool en) +{ + int ret = 0; + + if (is_support_sw_smu(adev)) + ret = smu_switch_power_profile(&adev->smu, type, en); + else if (adev->powerplay.pp_funcs && + adev->powerplay.pp_funcs->switch_power_profile) + ret = adev->powerplay.pp_funcs->switch_power_profile( + adev->powerplay.pp_handle, type, en); + + return ret; +} + +int amdgpu_dpm_set_xgmi_pstate(struct amdgpu_device *adev, + uint32_t pstate) +{ + int ret = 0; + + if (is_support_sw_smu_xgmi(adev)) + ret = smu_set_xgmi_pstate(&adev->smu, pstate); + else if (adev->powerplay.pp_funcs && + adev->powerplay.pp_funcs->set_xgmi_pstate) + ret = adev->powerplay.pp_funcs->set_xgmi_pstate(adev->powerplay.pp_handle, + pstate); + + return ret; +} -- cgit