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drm/radeon/kms/vm: set vram base offset properly for TN

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Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2012-03-20 17:18:38 -04:00 committed by Dave Airlie
parent 05b3ef69e5
commit e71270fd80
1 changed files with 6 additions and 1 deletions
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7
drivers/gpu/drm/radeon/ni.c
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@ -1746,7 +1746,12 @@ int cayman_vm_init(struct radeon_device *rdev)
/* number of VMs */
rdev->vm_manager.nvm = 8;
/* base offset of vram pages */
rdev->vm_manager.vram_base_offset = 0;
if (rdev->flags & RADEON_IS_IGP) {
u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET);
tmp <<= 22;
rdev->vm_manager.vram_base_offset = tmp;
} else
rdev->vm_manager.vram_base_offset = 0;
return 0;
}