[PATCH] drm/radeon: force dma32 on rs400, rs690, rs740 IGP

[j.glisse at gmail.com]

From: Jerome Glisse <jglisse at redhat.com>

It seems some of those IGP dislike non dma32 page.

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

Signed-off-by: Jerome Glisse <jglisse at redhat.com>
Cc: <stable at 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