summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
authorChristian König <christian.koenig@amd.com>2015-10-29 17:01:19 +0100
committerAlex Deucher <alexander.deucher@amd.com>2015-11-16 11:05:48 -0500
commitb56c22853eabde22a93d77bbd5250c1655405d74 (patch)
tree1f51642d0eb5c12334ca5157b6ebc4681bf6abf3 /drivers
parentc2776afe740db5598c4c457dcacb94d4427b13f9 (diff)
drm/amdgpu: use fence_is_later() for vm_flush as well v2
v2: remove superfluous check Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> (v1) Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c21
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 633a32a48560..8c80381b1ea9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -207,24 +207,21 @@ void amdgpu_vm_flush(struct amdgpu_ring *ring,
uint64_t pd_addr = amdgpu_bo_gpu_offset(vm->page_directory);
struct amdgpu_vm_id *vm_id = &vm->ids[ring->idx];
struct fence *flushed_updates = vm_id->flushed_updates;
- bool is_earlier = false;
+ bool is_later;
- if (flushed_updates && updates) {
- BUG_ON(flushed_updates->context != updates->context);
- is_earlier = (updates->seqno - flushed_updates->seqno <=
- INT_MAX) ? true : false;
- }
-
- if (pd_addr != vm_id->pd_gpu_addr || !flushed_updates ||
- is_earlier) {
+ if (!flushed_updates)
+ is_later = true;
+ else if (!updates)
+ is_later = false;
+ else
+ is_later = fence_is_later(updates, flushed_updates);
+ if (pd_addr != vm_id->pd_gpu_addr || is_later) {
trace_amdgpu_vm_flush(pd_addr, ring->idx, vm_id->id);
- if (is_earlier) {
+ if (is_later) {
vm_id->flushed_updates = fence_get(updates);
fence_put(flushed_updates);
}
- if (!flushed_updates)
- vm_id->flushed_updates = fence_get(updates);
vm_id->pd_gpu_addr = pd_addr;
amdgpu_ring_emit_vm_flush(ring, vm_id->id, vm_id->pd_gpu_addr);
}