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Commit b738ca5d authored by Alex Deucher's avatar Alex Deucher
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Revert "drm/radeon: Use write-combined CPU mappings of ring buffers with PCIe" 

This reverts commit 1490434f.

Several people have reported regressions with this patch on kabini.
parent 52da51f0

drivers/gpu/drm/radeon/radeon_ring.c

+1 −3
Original line number Diff line number Diff line
@@ -404,9 +404,7 @@ int radeon_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsig 
	/* Allocate ring buffer */

	if (ring->ring_obj == NULL) {

		r = radeon_bo_create(rdev, ring->ring_size, PAGE_SIZE, true,

				     RADEON_GEM_DOMAIN_GTT,

				     (rdev->flags & RADEON_IS_PCIE) ?

				     RADEON_GEM_GTT_WC : 0,

				     RADEON_GEM_DOMAIN_GTT, 0,

				     NULL, &ring->ring_obj);

		if (r) {

			dev_err(rdev->dev, "(%d) ring create failed\n", r);