Attachment 603278 Details for Bug 785375 – Force dma32

[patch] Force dma32

0001-drm-radeon-force-dma32-on-rs400-rs690-rs740-IGP.patch (text/plain), 1013 bytes, created by Jérôme Glisse on 2012-08-09 15:26:04 UTC

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Creator: Jérôme Glisse

Created: 2012-08-09 15:26:04 UTC

Size: 1013 bytes

patch

obsolete

>From 464a916deef424934d103d59e85ab3a5a2273bae Mon Sep 17 00:00:00 2001
>From: Jerome Glisse <jglisse@redhat.com>
>Date: Thu, 9 Aug 2012 11:21:13 -0400
>Subject: [PATCH] drm/radeon: force dma32 on rs400, rs690, rs740 IGP
>
>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@redhat.com>
>---
> 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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