From 3c61c99ed5936d4a48a98499c25fc9e8aa58bfee Mon Sep 17 00:00:00 2001
From: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Date: Mon, 11 Sep 2017 15:12:25 +0200
Subject: radv: add a comment that describes the trace BO layout

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
---
 src/amd/vulkan/radv_debug.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/amd/vulkan/radv_debug.c b/src/amd/vulkan/radv_debug.c
index 4f680cd1df7..1df2e351e04 100644
--- a/src/amd/vulkan/radv_debug.c
+++ b/src/amd/vulkan/radv_debug.c
@@ -34,6 +34,12 @@
 
 #define TRACE_BO_SIZE 4096
 
+/* Trace BO layout (offsets are 4 bytes):
+ *
+ * [0]: primary trace ID
+ * [1]: secondary trace ID
+ */
+
 bool
 radv_init_trace(struct radv_device *device)
 {
-- 
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