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2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
..
..
@@ -3282,7 +3282,9 @@
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 		if (pipe_ctx->stream_res.opp->mpcc_disconnect_pending[mpcc_inst]) {
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 			struct hubp *hubp = get_hubp_by_inst(res_pool, mpcc_inst);
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-			res_pool->mpc->funcs->wait_for_idle(res_pool->mpc, mpcc_inst);
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+			if (pipe_ctx->stream_res.tg &&
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+				pipe_ctx->stream_res.tg->funcs->is_tg_enabled(pipe_ctx->stream_res.tg))
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+				res_pool->mpc->funcs->wait_for_idle(res_pool->mpc, mpcc_inst);
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 			pipe_ctx->stream_res.opp->mpcc_disconnect_pending[mpcc_inst] = false;
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 			hubp->funcs->set_blank(hubp, true);
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 		}