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

This should prevent cases when a buffer was incorrectly mapped without
synchronization just because this wasn't done.

Cc: 13.0 17.0 <mesa-sta...@lists.freedesktop.org>
---
 src/gallium/drivers/radeonsi/si_descriptors.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gallium/drivers/radeonsi/si_descriptors.c 
b/src/gallium/drivers/radeonsi/si_descriptors.c
index 10acb27..eb79578 100644
--- a/src/gallium/drivers/radeonsi/si_descriptors.c
+++ b/src/gallium/drivers/radeonsi/si_descriptors.c
@@ -1220,20 +1220,23 @@ static void si_set_shader_buffers(struct pipe_context 
*ctx,
                pipe_resource_reference(&buffers->buffers[slot], &buf->b.b);
                radeon_add_to_buffer_list_check_mem(&sctx->b, &sctx->b.gfx, buf,
                                                    buffers->shader_usage,
                                                    buffers->priority, true);
                buf->bind_history |= PIPE_BIND_SHADER_BUFFER;
 
                buffers->enabled_mask |= 1u << slot;
                descs->dirty_mask |= 1u << slot;
                sctx->descriptors_dirty |=
                        1u << si_shader_buffer_descriptors_idx(shader);
+
+               util_range_add(&buf->valid_buffer_range, sbuffer->buffer_offset,
+                              sbuffer->buffer_offset + sbuffer->buffer_size);
        }
 }
 
 void si_get_shader_buffers(struct si_context *sctx,
                           enum pipe_shader_type shader,
                           uint start_slot, uint count,
                           struct pipe_shader_buffer *sbuf)
 {
        struct si_buffer_resources *buffers = &sctx->shader_buffers[shader];
        struct si_descriptors *descs = si_shader_buffer_descriptors(sctx, 
shader);
-- 
2.7.4

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