Mesa (main): radv: fix bounds checking for zero vertex stride on GFX6-7

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Module: Mesa
Branch: main
Commit: 7a1cc56e405b247702e91180c1143ca96b96b5bf
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=7a1cc56e405b247702e91180c1143ca96b96b5bf

Author: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Date:   Thu Jul 15 10:10:09 2021 +0200

radv: fix bounds checking for zero vertex stride on GFX6-7

GFX6 and GFX10+ have similar logic.

This fixes test_zero_vertex_stride from vkd3d-proton on
Pitcairn (GFX6) and on Bonaire (GFX7).

Cc: 21.2 mesa-stable
Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11904>

---

 src/amd/vulkan/radv_cmd_buffer.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
index 56308a4dca7..66ebd70ad34 100644
--- a/src/amd/vulkan/radv_cmd_buffer.c
+++ b/src/amd/vulkan/radv_cmd_buffer.c
@@ -2933,10 +2933,10 @@ radv_flush_vertex_descriptors(struct radv_cmd_buffer *cmd_buffer, bool pipeline_
             /* GFX10 uses OOB_SELECT_RAW if stride==0, so convert num_records from elements into
              * into bytes in that case. GFX8 always uses bytes.
              */
-            if (num_records && (chip == GFX8 || (chip >= GFX10 && !stride))) {
+            if (num_records && (chip == GFX8 || (chip != GFX9 && !stride))) {
                num_records = (num_records - 1) * stride + attrib_end;
             } else if (!num_records) {
-               /* On GFX9 (GFX6/7 untested), it seems bounds checking is disabled if both
+               /* On GFX9, it seems bounds checking is disabled if both
                 * num_records and stride are zero. This doesn't seem necessary on GFX8, GFX10 and
                 * GFX10.3 but it doesn't hurt.
                 */