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drm/radeon: fix page directory update size estimation

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Take padding into account as well.

Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=75651

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2014-05-12 14:46:11 +02:00
commit 4906f6891e
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/radeon/radeon_vm.c
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@ -595,7 +595,7 @@ int radeon_vm_update_page_directory(struct radeon_device *rdev,
ndw = 64;
/* assume the worst case */
ndw += vm->max_pde_used * 12;
ndw += vm->max_pde_used * 16;
/* update too big for an IB */
if (ndw > 0xfffff)