From: Hawking Zhang Date: Mon, 24 Feb 2020 06:19:56 +0000 (+0800) Subject: drm/amdgpu: add dpm helper function for DF Cstate control X-Git-Tag: v5.15~4077^2~26^2~40 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=53e0f1e6beb0fbe83b3be611f717962681dfcef0;p=platform%2Fkernel%2Flinux-starfive.git drm/amdgpu: add dpm helper function for DF Cstate control The helper function hides software smu and legacy powerplay implementation for DF Cstate control. Signed-off-by: Hawking Zhang Reviewed-by: Evan Quan Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c index a2e8c3dfb4f1..ba1bb95a3cf9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c @@ -1171,3 +1171,20 @@ int amdgpu_dpm_set_xgmi_pstate(struct amdgpu_device *adev, return ret; } + +int amdgpu_dpm_set_df_cstate(struct amdgpu_device *adev, + uint32_t cstate) +{ + int ret = 0; + 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)) + ret = smu_set_df_cstate(smu, cstate); + else if (pp_funcs && + pp_funcs->set_df_cstate) + ret = pp_funcs->set_df_cstate(pp_handle, cstate); + + return ret; +} diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h index 902ca6c00cca..168579492a55 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h @@ -533,4 +533,7 @@ int amdgpu_dpm_baco_exit(struct amdgpu_device *adev); int amdgpu_dpm_baco_enter(struct amdgpu_device *adev); +int amdgpu_dpm_set_df_cstate(struct amdgpu_device *adev, + uint32_t cstate); + #endif