drm/amdgpu: use modules parameter to ctrl deep sleep feature in dpm

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/cz_dpm.c b/drivers/gpu/drm/amd/amdgpu/cz_dpm.c
index bfb6b01..794c5f3 100644
--- a/drivers/gpu/drm/amd/amdgpu/cz_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/cz_dpm.c
@@ -435,7 +435,11 @@
 		pi->caps_td_ramping = true;
 		pi->caps_tcp_ramping = true;
 	}
-	pi->caps_sclk_ds = true;
+	if (amdgpu_sclk_deep_sleep_en)
+		pi->caps_sclk_ds = true;
+	else
+		pi->caps_sclk_ds = false;
+
 	pi->voting_clients = 0x00c00033;
 	pi->auto_thermal_throttling_enabled = true;
 	pi->bapm_enabled = false;