---
 src/gallium/drivers/r300/r300_transfer.c      |    2 +-
 src/gallium/drivers/r600/r600_query.c         |    2 +-
 src/gallium/drivers/r600/r600_texture.c       |    2 +-
 src/gallium/winsys/radeon/drm/radeon_drm_cs.c |   18 ++++++++++++++++--
 src/gallium/winsys/radeon/drm/radeon_winsys.h |    3 ++-
 5 files changed, 21 insertions(+), 6 deletions(-)

diff --git a/src/gallium/drivers/r300/r300_transfer.c 
b/src/gallium/drivers/r300/r300_transfer.c
index ada094b..0a8019d 100644
--- a/src/gallium/drivers/r300/r300_transfer.c
+++ b/src/gallium/drivers/r300/r300_transfer.c
@@ -94,7 +94,7 @@ r300_texture_get_transfer(struct pipe_context *ctx,
     }
 
     referenced_cs =
-        r300->rws->cs_is_buffer_referenced(r300->cs, tex->cs_buf);
+        r300->rws->cs_is_buffer_referenced(r300->cs, tex->cs_buf, 
RADEON_USAGE_READWRITE);
     if (referenced_cs) {
         referenced_hw = TRUE;
     } else {
diff --git a/src/gallium/drivers/r600/r600_query.c 
b/src/gallium/drivers/r600/r600_query.c
index def0a97..df5764a 100644
--- a/src/gallium/drivers/r600/r600_query.c
+++ b/src/gallium/drivers/r600/r600_query.c
@@ -346,7 +346,7 @@ static void r600_begin_query(struct pipe_context *ctx, 
struct pipe_query *query)
        }
 
        /* Obtain a new buffer if the current one can't be mapped without a 
stall. */
-       if (rctx->ws->cs_is_buffer_referenced(rctx->cs, 
rquery->buffer.buf->cs_buf) ||
+       if (rctx->ws->cs_is_buffer_referenced(rctx->cs, 
rquery->buffer.buf->cs_buf, RADEON_USAGE_READWRITE) ||
            rctx->ws->buffer_is_busy(rquery->buffer.buf->buf, 
RADEON_USAGE_READWRITE)) {
                pipe_resource_reference((struct 
pipe_resource**)&rquery->buffer.buf, NULL);
                rquery->buffer.buf = r600_new_query_buffer(rctx, rquery->type);
diff --git a/src/gallium/drivers/r600/r600_texture.c 
b/src/gallium/drivers/r600/r600_texture.c
index 3fcfb80..c2d35f6 100644
--- a/src/gallium/drivers/r600/r600_texture.c
+++ b/src/gallium/drivers/r600/r600_texture.c
@@ -800,7 +800,7 @@ struct pipe_transfer* r600_texture_get_transfer(struct 
pipe_context *ctx,
 
        /* Use a staging texture for uploads if the underlying BO is busy. */
        if (!(usage & PIPE_TRANSFER_READ) &&
-           (rctx->ws->cs_is_buffer_referenced(rctx->cs, rtex->resource.cs_buf) 
||
+           (rctx->ws->cs_is_buffer_referenced(rctx->cs, rtex->resource.cs_buf, 
RADEON_USAGE_READWRITE) ||
             rctx->ws->buffer_is_busy(rtex->resource.buf, 
RADEON_USAGE_READWRITE)))
                use_staging_texture = TRUE;
 
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_cs.c 
b/src/gallium/winsys/radeon/drm/radeon_drm_cs.c
index cf8f25b..10f9338 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_cs.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_cs.c
@@ -512,12 +512,26 @@ static void radeon_drm_cs_set_flush(struct 
radeon_winsys_cs *rcs,
 }
 
 static boolean radeon_bo_is_referenced(struct radeon_winsys_cs *rcs,
-                                       struct radeon_winsys_cs_handle *_buf)
+                                       struct radeon_winsys_cs_handle *_buf,
+                                       enum radeon_bo_usage usage)
 {
     struct radeon_drm_cs *cs = radeon_drm_cs(rcs);
     struct radeon_bo *bo = (struct radeon_bo*)_buf;
+    int index;
 
-    return radeon_bo_is_referenced_by_cs(cs, bo);
+    if (!bo->num_cs_references)
+        return FALSE;
+
+    index = radeon_get_reloc(cs->csc, bo);
+    if (index == -1)
+        return FALSE;
+
+    if ((usage & RADEON_USAGE_WRITE) && cs->csc->relocs[index].write_domain)
+        return TRUE;
+    if ((usage & RADEON_USAGE_READ) && cs->csc->relocs[index].read_domains)
+        return TRUE;
+
+    return FALSE;
 }
 
 void radeon_drm_cs_init_functions(struct radeon_drm_winsys *ws)
diff --git a/src/gallium/winsys/radeon/drm/radeon_winsys.h 
b/src/gallium/winsys/radeon/drm/radeon_winsys.h
index ef07d37..9c61dcb 100644
--- a/src/gallium/winsys/radeon/drm/radeon_winsys.h
+++ b/src/gallium/winsys/radeon/drm/radeon_winsys.h
@@ -341,7 +341,8 @@ struct radeon_winsys {
      * \param buf       A winsys buffer.
      */
     boolean (*cs_is_buffer_referenced)(struct radeon_winsys_cs *cs,
-                                       struct radeon_winsys_cs_handle *buf);
+                                       struct radeon_winsys_cs_handle *buf,
+                                       enum radeon_bo_usage usage);
 
     /**
      * Request access to a feature for a command stream.
-- 
1.7.5.4

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