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authorMarek Olšák <maraeo@gmail.com>2010-02-12 00:48:44 +0100
committerMarek Olšák <maraeo@gmail.com>2010-02-14 18:20:18 +0100
commitf7db96cd8f7977f4ad3591dab92c3c09f7cbc35a (patch)
tree53c0edfc7cd20d4f47cc2d7dd811fee738b4db03
parentf22ddd8e4743dbbfea2fac6c54837b30cbb1eb0e (diff)
radeong: flush when changing tiling flags of BO referenced by CS
-rw-r--r--src/gallium/winsys/drm/radeon/core/radeon_buffer.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/src/gallium/winsys/drm/radeon/core/radeon_buffer.c b/src/gallium/winsys/drm/radeon/core/radeon_buffer.c
index 3b1c3860a4..5cbf0dd2c5 100644
--- a/src/gallium/winsys/drm/radeon/core/radeon_buffer.c
+++ b/src/gallium/winsys/drm/radeon/core/radeon_buffer.c
@@ -217,9 +217,10 @@ static void radeon_buffer_set_tiling(struct radeon_winsys *ws,
boolean microtiled,
boolean macrotiled)
{
+ struct radeon_winsys_priv *priv = ((struct radeon_winsys *)ws)->priv;
struct radeon_pipe_buffer *radeon_buffer =
(struct radeon_pipe_buffer*)buffer;
- uint32_t flags = 0;
+ uint32_t flags = 0, old_flags, old_pitch;
if (microtiled) {
flags |= RADEON_BO_FLAGS_MICRO_TILE;
@@ -228,7 +229,17 @@ static void radeon_buffer_set_tiling(struct radeon_winsys *ws,
flags |= RADEON_BO_FLAGS_MACRO_TILE;
}
- radeon_bo_set_tiling(radeon_buffer->bo, flags, pitch);
+ radeon_bo_get_tiling(radeon_buffer->bo, &old_flags, &old_pitch);
+
+ if (flags != old_flags || pitch != old_pitch) {
+ /* Tiling determines how DRM treats the buffer data.
+ * We must flush CS when changing it if the buffer is referenced. */
+ if (radeon_bo_is_referenced_by_cs(radeon_buffer->bo, priv->cs)) {
+ priv->flush_cb(priv->flush_data);
+ }
+
+ radeon_bo_set_tiling(radeon_buffer->bo, flags, pitch);
+ }
}
static void radeon_fence_reference(struct pipe_winsys *ws,