From: Kenneth Feng <kenneth.feng@amd.com>
Date: Sun, 7 Feb 2021 01:51:44 +0000 (+0800)
Subject: drm/amd/pm: enable LCLK DS
X-Git-Tag: v5.12-rc1~132^2~1^2~25
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6ef28889b413448eccde1776d79dd093c3106118;p=thirdparty%2Fkernel%2Flinux.git

drm/amd/pm: enable LCLK DS

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>
---

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
index b9e47f3b02312..af73e1430af53 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
@@ -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;
 }