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path: root/drivers/gpu/drm/radeon/r600.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/r600.c')
-rw-r--r--drivers/gpu/drm/radeon/r600.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 923f9364704..537e259b383 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -2646,7 +2646,7 @@ int r600_copy_blit(struct radeon_device *rdev,
* @num_gpu_pages: number of GPU pages to xfer
* @fence: radeon fence object
*
- * Copy GPU paging using the DMA engine (r6xx-r7xx).
+ * Copy GPU paging using the DMA engine (r6xx).
* Used by the radeon ttm implementation to move pages if
* registered as the asic copy callback.
*/
@@ -2669,8 +2669,8 @@ int r600_copy_dma(struct radeon_device *rdev,
}
size_in_dw = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT) / 4;
- num_loops = DIV_ROUND_UP(size_in_dw, 0xffff);
- r = radeon_ring_lock(rdev, ring, num_loops * 5 + 8);
+ num_loops = DIV_ROUND_UP(size_in_dw, 0xFFFE);
+ r = radeon_ring_lock(rdev, ring, num_loops * 4 + 8);
if (r) {
DRM_ERROR("radeon: moving bo (%d).\n", r);
radeon_semaphore_free(rdev, &sem, NULL);
@@ -2693,8 +2693,8 @@ int r600_copy_dma(struct radeon_device *rdev,
radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_COPY, 0, 0, cur_size_in_dw));
radeon_ring_write(ring, dst_offset & 0xfffffffc);
radeon_ring_write(ring, src_offset & 0xfffffffc);
- radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xff);
- radeon_ring_write(ring, upper_32_bits(src_offset) & 0xff);
+ radeon_ring_write(ring, (((upper_32_bits(dst_offset) & 0xff) << 16) |
+ (upper_32_bits(src_offset) & 0xff)));
src_offset += cur_size_in_dw * 4;
dst_offset += cur_size_in_dw * 4;
}