From b738ca5d68e4051c86e32f46f67a69f3bb9cee5e Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 18 Aug 2014 12:32:05 -0400
Subject: Revert "drm/radeon: Use write-combined CPU mappings of ring buffers
with PCIe"
This reverts commit 1490434f0da63afc6006411c8829c6a7935a4e7e.
Several people have reported regressions with this patch on kabini.
---
drivers/gpu/drm/radeon/radeon_ring.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
(limited to 'drivers/gpu/drm/radeon/radeon_ring.c')
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index 0678998dbcb8..d65607902537 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -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);
--
cgit