Module: Mesa
Branch: mesa_7_6_branch
Commit: 13b5a624b1899c457279907d58046dfb3c95addc
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=13b5a624b1899c457279907d58046dfb3c95addc

Author: Alex Deucher <[email protected]>
Date:   Wed Nov 18 11:27:36 2009 -0500

Revert "radeon: Fix legacy bo not to reuse dma buffers before refcount is 1."

This reverts commit 284a7af274bc148f112bd0ebb40583923ee26b49.

This breaks kde desktop effects.  See fdo bug 24131

---

 src/mesa/drivers/dri/radeon/radeon_dma.c |    9 ++-------
 1 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/src/mesa/drivers/dri/radeon/radeon_dma.c 
b/src/mesa/drivers/dri/radeon/radeon_dma.c
index c6edbae..c9a32c8 100644
--- a/src/mesa/drivers/dri/radeon/radeon_dma.c
+++ b/src/mesa/drivers/dri/radeon/radeon_dma.c
@@ -207,6 +207,7 @@ again_alloc:
                   counter on unused buffers for later freeing them from
                   begin of list */
                dma_bo = last_elem(&rmesa->dma.free);
+               assert(dma_bo->bo->cref == 1);
                remove_from_list(dma_bo);
                insert_at_head(&rmesa->dma.reserved, dma_bo);
        }
@@ -306,10 +307,6 @@ static int radeon_bo_is_idle(struct radeon_bo* bo)
                WARN_ONCE("Your libdrm or kernel doesn't have support for busy 
query.\n"
                        "This may cause small performance drop for you.\n");
        }
-       /* Protect against bug in legacy bo handling that causes bos stay
-        * referenced even after they should be freed */
-       if (bo->cref != 1)
-               return 0;
        return ret != -EBUSY;
 }
 
@@ -346,9 +343,7 @@ void radeonReleaseDmaRegions(radeonContextPtr rmesa)
        foreach_s(dma_bo, temp, &rmesa->dma.wait) {
                if (dma_bo->expire_counter == time) {
                        WARN_ONCE("Leaking dma buffer object!\n");
-                       /* force free of buffer so we don't realy start
-                        * leaking stuff now*/
-                       while ((dma_bo->bo = radeon_bo_unref(dma_bo->bo))) {}
+                       radeon_bo_unref(dma_bo->bo);
                        remove_from_list(dma_bo);
                        FREE(dma_bo);
                        continue;

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