diff --git a/src/amd/common/ac_rgp.c b/src/amd/common/ac_rgp.c
index bc4007033f3..3b37612c417 100644
--- a/src/amd/common/ac_rgp.c
+++ b/src/amd/common/ac_rgp.c
@@ -454,6 +454,10 @@ static void ac_fill_sqtt_asic_info(struct radeon_info *rad_info,
    chunk->l2_cache_size = rad_info->l2_cache_size;
    chunk->l1_cache_size = rad_info->l1_cache_size;
    chunk->lds_size = rad_info->lds_size_per_workgroup;
+   if (rad_info->chip_class >= GFX10) {
+      /* RGP expects the LDS size in CU mode. */
+      chunk->lds_size /= 2;
+   }
 
    strncpy(chunk->gpu_name, rad_info->name, SQTT_GPU_NAME_MAX_SIZE - 1);