drm/amd/display: Disable PG on NV12

[Why]
HW team request to disable PG on NV12 (fixing missed cases)

[How]
Disable dpp and hubp PG
Signed-off-by: Alvin Lee <alvin.lee2@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c

@@ -4053,8 +4053,12 @@ static bool dcn20_resource_construct(
 	// to be consumed. We could have created dcn20_init_hw to get
 	// the same effect by checking ASIC rev, but there was a
 	// request at some point to not check ASIC rev on hw sequencer.
-	if (ASICREV_IS_NAVI12_P(dc->ctx->asic_id.hw_internal_rev))
+	if (ASICREV_IS_NAVI12_P(dc->ctx->asic_id.hw_internal_rev)) {
 		dc->hwseq->funcs.enable_power_gating_plane = NULL;
+		dc->debug.disable_dpp_power_gate = true;
+		dc->debug.disable_hubp_power_gate = true;
+	}
+
 
 	dc->caps.max_planes =  pool->base.pipe_count;