diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource_helpers.c b/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource_helpers.c
index 47c8a9fbe754..f5a4e97c40ce 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource_helpers.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource_helpers.c
@@ -663,7 +663,7 @@ bool dcn32_subvp_drr_admissable(struct dc *dc, struct dc_state *context)
 
 				subvp_disallow |= disallow_subvp_in_active_plus_blank(pipe);
 				refresh_rate = (pipe->stream->timing.pix_clk_100hz * (uint64_t)100 +
-					pipe->stream->timing.v_total * pipe->stream->timing.h_total - (uint64_t)1);
+					pipe->stream->timing.v_total * (unsigned long long)pipe->stream->timing.h_total - (uint64_t)1);
 				refresh_rate = div_u64(refresh_rate, pipe->stream->timing.v_total);
 				refresh_rate = div_u64(refresh_rate, pipe->stream->timing.h_total);
 			}
@@ -724,7 +724,7 @@ bool dcn32_subvp_vblank_admissable(struct dc *dc, struct dc_state *context, int
 
 				subvp_disallow |= disallow_subvp_in_active_plus_blank(pipe);
 				refresh_rate = (pipe->stream->timing.pix_clk_100hz * (uint64_t)100 +
-					pipe->stream->timing.v_total * pipe->stream->timing.h_total - (uint64_t)1);
+					pipe->stream->timing.v_total * (unsigned long long)pipe->stream->timing.h_total - (uint64_t)1);
 				refresh_rate = div_u64(refresh_rate, pipe->stream->timing.v_total);
 				refresh_rate = div_u64(refresh_rate, pipe->stream->timing.h_total);
 			}