[AMD Official Use Only - Internal Distribution Only] Do you mean ASPM is the prerequisite for LCLK DS feature? Then do we need something as below? If (aspm = 1) ppfeaturesmask |= FEATURE_MASK(FEATURE_DS_LCLK_BIT); BR Evan -----Original Message----- From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Kenneth Feng Sent: Sunday, February 7, 2021 9:54 AM To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx Cc: Feng, Kenneth <Kenneth.Feng@xxxxxxx> Subject: [PATCH] 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@xxxxxxx> --- drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c | 1 + 1 file changed, 1 insertion(+) 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 b9e47f3b0231..d208a434c7cc 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 @@ -242,6 +242,7 @@ sienna_cichlid_get_allowed_feature_mask(struct smu_context *smu, | FEATURE_MASK(FEATURE_DS_DCEFCLK_BIT) | FEATURE_MASK(FEATURE_DS_FCLK_BIT) | FEATURE_MASK(FEATURE_DS_UCLK_BIT) +| FEATURE_MASK(FEATURE_DS_LCLK_BIT) | FEATURE_MASK(FEATURE_FW_DSTATE_BIT) | FEATURE_MASK(FEATURE_DF_CSTATE_BIT) | FEATURE_MASK(FEATURE_RSMU_SMN_CG_BIT) -- 2.17.1 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=04%7C01%7Cevan.quan%40amd.com%7Cb1e8027ec41e451c768608d8cb0b3b29%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637482596398826719%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=hgcKYx59KUGzn7YCQsOXsU0uJXVDIeoduFba%2FQDw1Z8%3D&reserved=0 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx