[PATCH 4/4] drm/radeon: try to enable VM flushing once more

[Christian König]

From: Christian K?nig <christian.koe...@amd.com>

Let's try to fix bugs related to this instead of just disabling it.

Signed-off-by: Christian K?nig <christian.koenig at amd.com>
---
 drivers/gpu/drm/radeon/radeon_vm.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_vm.c 
b/drivers/gpu/drm/radeon/radeon_vm.c
index dcbcfbf..f6787bb 100644
--- a/drivers/gpu/drm/radeon/radeon_vm.c
+++ b/drivers/gpu/drm/radeon/radeon_vm.c
@@ -238,8 +238,7 @@ void radeon_vm_flush(struct radeon_device *rdev,
        uint64_t pd_addr = radeon_bo_gpu_offset(vm->page_directory);

        /* if we can't remember our last VM flush then flush now! */
-       /* XXX figure out why we have to flush all the time */
-       if (!vm->last_flush || true || pd_addr != vm->pd_gpu_addr) {
+       if (!vm->last_flush || pd_addr != vm->pd_gpu_addr) {
                vm->pd_gpu_addr = pd_addr;
                radeon_ring_vm_flush(rdev, ring, vm);
        }
-- 
1.9.1