r600g: only add blocks once to the dirty/enabled lists.

This caused a loop in some tests.

Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/src/gallium/winsys/r600/drm/r600_hw_context.c b/src/gallium/winsys/r600/drm/r600_hw_context.c
index 50a6dec..4249299 100644 (file)
--- a/src/gallium/winsys/r600/drm/r600_hw_context.c
+++ b/src/gallium/winsys/r600/drm/r600_hw_context.c
@@ -110,9 +110,11 @@ static void r600_init_block(struct r600_context *ctx,
                        block->flags |= REG_FLAG_DIRTY_ALWAYS;
                }
                if (reg[i+j].flags & REG_FLAG_ENABLE_ALWAYS) {
-                       block->status |= R600_BLOCK_STATUS_ENABLED;
-                       LIST_ADDTAIL(&block->enable_list, &ctx->enable_list);
-                       LIST_ADDTAIL(&block->list,&ctx->dirty);
+                       if (!(block->status & R600_BLOCK_STATUS_ENABLED)) {
+                               block->status |= R600_BLOCK_STATUS_ENABLED;
+                               LIST_ADDTAIL(&block->enable_list, &ctx->enable_list);
+                               LIST_ADDTAIL(&block->list,&ctx->dirty);
+                       }
                }
 
                if (reg[i+j].flags & REG_FLAG_NEED_BO) {