Mesa (master): radeon: balance dma buffer mapping

[Alex Deucher]

Module: Mesa
Branch: master
Commit: f9b8562f32b77a27c872d4c70a86995032541107
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=f9b8562f32b77a27c872d4c70a86995032541107

Author: Pauli Nieminen <suokkos at gmail.com>
Date:   Tue Aug 18 14:30:51 2009 -0400

radeon: balance dma buffer mapping

In radeonRefillCurrentDmaRegion() make sure we
unmap the previous buffer.

---

 src/mesa/drivers/dri/radeon/radeon_dma.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/src/mesa/drivers/dri/radeon/radeon_dma.c b/src/mesa/drivers/dri/radeon/radeon_dma.c
index b2376ea..3019184 100644
--- a/src/mesa/drivers/dri/radeon/radeon_dma.c
+++ b/src/mesa/drivers/dri/radeon/radeon_dma.c
@@ -180,6 +180,10 @@ void radeonRefillCurrentDmaRegion(radeonContextPtr rmesa, int size)
 		rmesa->dma.flush(rmesa->glCtx);
 	}
 
+	/* unmap old reserved bo */
+	if (!is_empty_list(&rmesa->dma.reserved))
+		radeon_bo_unmap(first_elem(&rmesa->dma.reserved)->bo);
+
 	if (is_empty_list(&rmesa->dma.free)) {
 		struct radeon_dma_bo *dma_bo = CALLOC(sizeof(struct radeon_dma_bo));
 		assert(dma_bo);