drm/radeon: fix page directory update size estimation

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>
mariux64 · May 20, 2014 · 4906f68 · 4906f68
1 parent d8ade35
commit 4906f68
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c
@@ -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)