drm/amd/display: Disable DCN401 idle optimizations

[WHY&HOW]
Disable to improve stability for now.

Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Roman Li <roman.li@amd.com>
Signed-off-by: Dillon Varone <dillon.varone@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c

@@ -731,6 +731,7 @@ static const struct dc_debug_options debug_defaults_drv = {
 		}
 	},
 	.force_cositing = CHROMA_COSITING_TOPLEFT + 1,
+	.disable_idle_power_optimizations = true,
 };
 
 static struct dce_aux *dcn401_aux_engine_create(