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| author | Christian König <christian.koenig@amd.com> | 2013-10-29 20:14:50 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-11-01 15:25:53 -0400 |
| commit | 5b2906ecf4ceb6de5e889d367034113d1612bc75 (patch) | |
| tree | b7b8d09bdc39d62c800d79fd1aef96bb8dae55e7 /drivers/gpu/drm/radeon/radeon_gart.c | |
| parent | 24c164393dd2fa1c1fb51d5fec2f50bd6b7c037b (diff) | |
| download | linux-5b2906ecf4ceb6de5e889d367034113d1612bc75.tar.bz2 | |
drm/radeon: initially clear page tables
Clear page tables after allocating them in case
we don't completely fill them later.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_gart.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_gart.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c index f6947dd2a992..fd109d3cae66 100644 --- a/drivers/gpu/drm/radeon/radeon_gart.c +++ b/drivers/gpu/drm/radeon/radeon_gart.c @@ -995,6 +995,10 @@ retry: radeon_asic_vm_set_page(rdev, ib, last_pde, last_pt, count, incr, R600_PTE_VALID); + + count *= RADEON_VM_PTE_COUNT; + radeon_asic_vm_set_page(rdev, ib, last_pt, 0, + count, 0, 0); } count = 1; @@ -1009,6 +1013,9 @@ retry: radeon_asic_vm_set_page(rdev, ib, last_pde, last_pt, count, incr, R600_PTE_VALID); + count *= RADEON_VM_PTE_COUNT; + radeon_asic_vm_set_page(rdev, ib, last_pt, 0, + count, 0, 0); } return 0; @@ -1170,6 +1177,9 @@ int radeon_vm_bo_update_pte(struct radeon_device *rdev, /* reserve space for pde addresses */ ndw += npdes * 2; + /* reserve space for clearing new page tables */ + ndw += npdes * 2 * RADEON_VM_PTE_COUNT; + /* update too big for an IB */ if (ndw > 0xfffff) return -ENOMEM; |