On Tue, Aug 28, 2012 at 4:50 PM, j.glisse@gmail.com wrote:
From: Jerome Glisse jglisse@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 jglisse@redhat.com Cc: stable@vger.kernel.org
This is upstream commit 4a2b6662c3632176b4fdf012243dd3751367bf1f. I don't see it queued up in the stable-queue, so I thought I'd point it out in case it was missed.
josh
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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