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drm/radeon: AGP memory is only I/O if the aperture can be mapped by the CPU. 

Fixes AGP initialization failure with Apple UniNorth bridges due to trying to
ioremap() normal RAM.

Signed-off-by: Michel Dänzer <daenzer@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Michel Dänzer 2010-05-19 12:46:22 +02:00 committed by Dave Airlie
parent 45737447ed
commit 365048ff7f
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/radeon/radeon_ttm.c
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@ -451,7 +451,7 @@ static int radeon_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_
/* RADEON_IS_AGP is set only if AGP is active */
mem->bus.offset = mem->mm_node->start << PAGE_SHIFT;
mem->bus.base = rdev->mc.agp_base;
mem->bus.is_iomem = true;
mem->bus.is_iomem = !rdev->ddev->agp->cant_use_aperture;
}
#endif
break;