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drm/amd/powerplay: check gfxclk dpm enablement before proceeding

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Support gfxclk dpm disablement.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2019-06-14 17:04:36 +08:00 committed by Alex Deucher
parent f3121d3dbb
commit ac1092b341
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
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@ -143,6 +143,7 @@ int smu_get_dpm_freq_range(struct smu_context *smu, enum smu_clk_type clk_type,
}
break;
case SMU_GFXCLK:
case SMU_SCLK:
if (!smu_feature_is_enabled(smu, SMU_FEATURE_DPM_GFXCLK_BIT)) {
pr_warn("gfxclk dpm is not enabled\n");
return 0;