From: Marek Olšák <marek.ol...@amd.com>

start can only be non-zero with MultiDrawElements, which is unlikely
to occur with UNSIGNED_BYTE indices.
---
 src/gallium/drivers/radeonsi/si_state_draw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c 
b/src/gallium/drivers/radeonsi/si_state_draw.c
index d453309..8f5dcbc 100644
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -1045,21 +1045,21 @@ void si_draw_vbo(struct pipe_context *ctx, const struct 
pipe_draw_info *info)
                ib.offset = sctx->index_buffer.offset;
 
                /* Translate or upload, if needed. */
                /* 8-bit indices are supported on VI. */
                if (sctx->b.chip_class <= CIK && ib.index_size == 1) {
                        struct pipe_resource *out_buffer = NULL;
                        unsigned out_offset, start, count, start_offset;
                        void *ptr;
 
                        si_get_draw_start_count(sctx, info, &start, &count);
-                       start_offset = start * ib.index_size;
+                       start_offset = start * 2;
 
                        u_upload_alloc(ctx->stream_uploader, start_offset,
                                        count * 2, 256,
                                       &out_offset, &out_buffer, &ptr);
                        if (!out_buffer) {
                                pipe_resource_reference(&ib.buffer, NULL);
                                return;
                        }
 
                        util_shorten_ubyte_elts_to_userptr(&sctx->b.b, &ib, 0,
-- 
2.7.4

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