drm/amd/powerplay: support sysfs to set socclk, fclk, dcefclk
Add sys interface to set socclk, fclk and dcefclk for smu. Add feature_mask parameter for smu_upload_dpm_level as socclk, fclk and dcefclk have dependency, without feature_mask to point out specific clk will make it fail to set some clk. Fix the function of smu_unforce_dpm_levels. Signed-off-by: NLikun Gao <Likun.Gao@amd.com> Reviewed-by: NGui Chengming <Jack.Gui@amd.com> Reviewed-by: NAlex Deucher <alexander.deucher@amd.com> Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
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