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Revert "drm/radeon: Use write-combined CPU mappings of ring buffers with PCIe"

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This reverts commit 1490434f0da63afc6006411c8829c6a7935a4e7e.

Several people have reported regressions with this patch on kabini.
This commit is contained in:
Alex Deucher 2014-08-18 12:32:05 -04:00
parent 52da51f0f9
commit b738ca5d68
1 changed files with 1 additions and 3 deletions
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4
drivers/gpu/drm/radeon/radeon_ring.c
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@ -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);