drm/amd/display: Enable IPS on DCN42

[Why & How]
Fully enable IPS to achieve higher power savings.

Reviewed-by: Sunpeng Li <sunpeng.li@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Signed-off-by: James Lin <pinglei.lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index ee10a9eb8713f20ce3dc420b26a3cbb7a859edc5..3ae2f330c6b4670d30ef8da3baedb27b37b0eef5 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1870,7 +1870,7 @@ static enum dmub_ips_disable_type dm_get_default_ips_mode(
                ret =  DMUB_IPS_RCG_IN_ACTIVE_IPS2_IN_OFF;
                break;
        case IP_VERSION(4, 2, 0):
-               ret =  DMUB_IPS_DISABLE_ALL;
+               ret =  DMUB_IPS_ENABLE;
                break;
        default:
                /* ASICs older than DCN35 do not have IPSs */