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From: Robert Noland <rnoland@FreeBSD.org>
Date: Sun, 13 Sep 2009 11:10:39 +0000 (UTC)
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Subject: svn commit: r197155 - head/sys/dev/drm
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Author: rnoland
Date: Sun Sep 13 11:10:38 2009
New Revision: 197155
URL: http://svn.freebsd.org/changeset/base/197155

Log:
  Add a couple of small fixes from the AMD folks.
  
  	- max tex height is 8192
  	- increment src/dst by the full transfer amount
  
  MFC after:	3 days

Modified:
  head/sys/dev/drm/r600_blit.c

Modified: head/sys/dev/drm/r600_blit.c
==============================================================================
--- head/sys/dev/drm/r600_blit.c	Sun Sep 13 11:08:06 2009	(r197154)
+++ head/sys/dev/drm/r600_blit.c	Sun Sep 13 11:10:38 2009	(r197155)
@@ -1734,6 +1734,8 @@ r600_blit_copy(struct drm_device *dev,
 
 			if (!src_x && !dst_x) {
 				h = (cur_size / max_bytes);
+				if (h > 8192)
+					h = 8192;
 				if (h == 0)
 					h = 1;
 				else
@@ -1805,8 +1807,8 @@ r600_blit_copy(struct drm_device *dev,
 			vb += 12;
 			dev_priv->blit_vb->used += 12 * 4;
 
-			src_gpu_addr += cur_size;
-			dst_gpu_addr += cur_size;
+			src_gpu_addr += cur_size * h;
+			dst_gpu_addr += cur_size * h;
 			size_bytes -= cur_size * h;
 		}
 	} else {
@@ -1822,6 +1824,8 @@ r600_blit_copy(struct drm_device *dev,
 
 			if (!src_x && !dst_x) {
 				h = (cur_size / max_bytes);
+				if (h > 8192)
+					h = 8192;
 				if (h == 0)
 					h = 1;
 				else
@@ -1894,8 +1898,8 @@ r600_blit_copy(struct drm_device *dev,
 			vb += 12;
 			dev_priv->blit_vb->used += 12 * 4;
 
-			src_gpu_addr += cur_size;
-			dst_gpu_addr += cur_size;
+			src_gpu_addr += cur_size * h;
+			dst_gpu_addr += cur_size * h;
 			size_bytes -= cur_size * h;
 		}
 	}