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drm/amd/pm: enable LCLK DS

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Enable LCLK deep sleep and it works if we enable ASPM:
modprobe amdgpu aspm=1

Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kenneth Feng 2021-02-07 09:51:44 +08:00 committed by Alex Deucher
parent cef8b03bbc
commit 6ef28889b4
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
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@ -302,6 +302,9 @@ sienna_cichlid_get_allowed_feature_mask(struct smu_context *smu,
if (smu->dc_controlled_by_gpio)
*(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_ACDC_BIT);
if (amdgpu_aspm == 1)
*(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_DS_LCLK_BIT);
return 0;
}