From: Jerome Glisse <jgli...@redhat.com>

It seems some of those IGP dislike non dma32 page despite what
documentation says. Fix regression since we allowed non dma32
pages. It seems it only affect some revision of those IGP chips
as we don't know which one just force dma32 for all of them.

https://bugzilla.redhat.com/show_bug.cgi?id=785375

Signed-off-by: Jerome Glisse <jgli...@redhat.com>
Cc: <sta...@vger.kernel.org>
---
 drivers/gpu/drm/radeon/radeon_device.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_device.c 
b/drivers/gpu/drm/radeon/radeon_device.c
index 066c98b..8867400 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -774,7 +774,7 @@ int radeon_device_init(struct radeon_device *rdev,
        if (rdev->flags & RADEON_IS_AGP)
                rdev->need_dma32 = true;
        if ((rdev->flags & RADEON_IS_PCI) &&
-           (rdev->family < CHIP_RS400))
+           (rdev->family <= CHIP_RS740))
                rdev->need_dma32 = true;
 
        dma_bits = rdev->need_dma32 ? 32 : 40;
-- 
1.7.11.2

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