From 23d4f1f246a98dde1dc485e0be9a647126630347 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Mon, 8 Oct 2012 09:45:46 -0400 Subject: drm/radeon: update comments to clarify VM setup (v2) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The actual set up and assignment of VM page tables is done on the fly in radeon_gart.c. v2: update vm size comments Signed-off-by: Alex Deucher Reviewed-by: Christian König --- drivers/gpu/drm/radeon/radeon_device.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/gpu/drm/radeon/radeon_device.c') diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 64a42647f08..bd13ca09eb6 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -1018,6 +1018,10 @@ int radeon_device_init(struct radeon_device *rdev, return r; /* initialize vm here */ mutex_init(&rdev->vm_manager.lock); + /* Adjust VM size here. + * Currently set to 4GB ((1 << 20) 4k pages). + * Max GPUVM size for cayman and SI is 40 bits. + */ rdev->vm_manager.max_pfn = 1 << 20; INIT_LIST_HEAD(&rdev->vm_manager.lru_vm); -- cgit v1.2.3