diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
index 502e1792eff..7a8c98de3fd 100644
--- a/src/amd/vulkan/radv_cmd_buffer.c
+++ b/src/amd/vulkan/radv_cmd_buffer.c
@@ -8461,7 +8461,9 @@ radv_barrier(struct radv_cmd_buffer *cmd_buffer, const VkDependencyInfo *dep_inf
    }
 
    /* Make sure CP DMA is idle because the driver might have performed a DMA operation for copying a
-    * buffer (or a MSAA image using FMASK) or updated a buffer which is a transfer operation.
+    * buffer (or a MSAA image using FMASK). Note that updating a buffer is considered a clear
+    * operation but it might also use a CP DMA copy in some rare situations. Other operations using
+    * a CP DMA clear are implicitly synchronized (see CP_DMA_SYNC).
     */
    if (src_stage_mask &
        (VK_PIPELINE_STAGE_2_COPY_BIT | VK_PIPELINE_STAGE_2_CLEAR_BIT |