drm/amd/powerplay: disable Vega20 DS related features

Disable these features on Vega20 for now.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Feifei Xu<Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c

@@ -75,7 +75,17 @@ static void vega20_set_default_registry_data(struct pp_hwmgr *hwmgr)
 	data->phy_clk_quad_eqn_b = PPREGKEY_VEGA20QUADRATICEQUATION_DFLT;
 	data->phy_clk_quad_eqn_c = PPREGKEY_VEGA20QUADRATICEQUATION_DFLT;
 
-	data->registry_data.disallowed_features = 0x0;
+	/*
+	 * Disable the following features for now:
+	 *   GFXCLK DS
+	 *   SOCLK DS
+	 *   LCLK DS
+	 *   DCEFCLK DS
+	 *   FCLK DS
+	 *   MP1CLK DS
+	 *   MP0CLK DS
+	 */
+	data->registry_data.disallowed_features = 0xE0041C00;
 	data->registry_data.od_state_in_dc_support = 0;
 	data->registry_data.thermal_support = 1;
 	data->registry_data.skip_baco_hardware = 0;