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| author | Alex Deucher <alexander.deucher@amd.com> | 2012-10-08 09:45:46 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2012-10-15 13:21:00 -0400 |
| commit | 23d4f1f246a98dde1dc485e0be9a647126630347 (patch) | |
| tree | c437e633496807489290e51646cf2325f431333a /drivers/gpu/drm/radeon/radeon_device.c | |
| parent | 29dbe3bcd2e28e71823febdca989d63d5c27d152 (diff) | |
| download | linux-23d4f1f246a98dde1dc485e0be9a647126630347.tar.bz2 | |
drm/radeon: update comments to clarify VM setup (v2)
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 <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_device.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 64a42647f08a..bd13ca09eb62 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); |