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From: Robert Noland <rnoland@FreeBSD.org>
Date: Sun, 15 Mar 2009 17:22:53 +0000 (UTC)
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Subject: svn commit: r189856 - in stable/7/sys: . contrib/pf dev/ath/ath_hal
	dev/cxgb dev/drm
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Author: rnoland
Date: Sun Mar 15 17:22:53 2009
New Revision: 189856
URL: http://svn.freebsd.org/changeset/base/189856

Log:
  Merge 189559
  
  Fix the flags to bus_dmamem_* to allow the allocation to sleep while
  waiting for resources.  It is really the load that we can't defer.
  BUS_DMA_NOCACHE belongs on bus_dmamap_load() as well.

Modified:
  stable/7/sys/   (props changed)
  stable/7/sys/contrib/pf/   (props changed)
  stable/7/sys/dev/ath/ath_hal/   (props changed)
  stable/7/sys/dev/cxgb/   (props changed)
  stable/7/sys/dev/drm/drm_scatter.c

Modified: stable/7/sys/dev/drm/drm_scatter.c
==============================================================================
--- stable/7/sys/dev/drm/drm_scatter.c	Sun Mar 15 17:20:28 2009	(r189855)
+++ stable/7/sys/dev/drm/drm_scatter.c	Sun Mar 15 17:22:53 2009	(r189856)
@@ -92,7 +92,7 @@ drm_sg_alloc(struct drm_device *dev, str
 	}
 
 	ret = bus_dmamem_alloc(dmah->tag, &dmah->vaddr,
-	    BUS_DMA_NOWAIT | BUS_DMA_ZERO | BUS_DMA_NOCACHE, &dmah->map);
+	    BUS_DMA_WAITOK | BUS_DMA_ZERO, &dmah->map);
 	if (ret != 0) {
 		bus_dma_tag_destroy(dmah->tag);
 		free(dmah, DRM_MEM_DMA);
@@ -102,7 +102,8 @@ drm_sg_alloc(struct drm_device *dev, str
 	}
 
 	ret = bus_dmamap_load(dmah->tag, dmah->map, dmah->vaddr,
-	    request->size, drm_sg_alloc_cb, entry, 0);
+	    request->size, drm_sg_alloc_cb, entry,
+	    BUS_DMA_NOWAIT | BUS_DMA_NOCACHE);
 	if (ret != 0) {
 		bus_dmamem_free(dmah->tag, dmah->vaddr, dmah->map);
 		bus_dma_tag_destroy(dmah->tag);