From: Christian König <christian.koenig@amd.com>
Date: Wed, 19 Nov 2014 13:01:21 +0000 (+0100)
Subject: drm/radeon: remove unnecessary VM syncs
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=e0602c35fe3bcbe5fe9179be78882b3101780781;p=deliverable%2Flinux.git

drm/radeon: remove unnecessary VM syncs

The PD/PTs reservation object now contains everything needed.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c
index db0ed3af8e82..d8c49ad34dee 100644
--- a/drivers/gpu/drm/radeon/radeon_vm.c
+++ b/drivers/gpu/drm/radeon/radeon_vm.c
@@ -701,7 +701,6 @@ int radeon_vm_update_page_directory(struct radeon_device *rdev,
 		radeon_asic_vm_pad_ib(rdev, &ib);
 
 		radeon_semaphore_sync_resv(rdev, ib.semaphore, pd->tbo.resv, false);
-		radeon_semaphore_sync_fence(ib.semaphore, vm->last_id_use);
 		WARN_ON(ib.length_dw > ndw);
 		r = radeon_ib_schedule(rdev, &ib, NULL, false);
 		if (r) {
@@ -969,7 +968,6 @@ int radeon_vm_bo_update(struct radeon_device *rdev,
 	radeon_asic_vm_pad_ib(rdev, &ib);
 	WARN_ON(ib.length_dw > ndw);
 
-	radeon_semaphore_sync_fence(ib.semaphore, vm->fence);
 	r = radeon_ib_schedule(rdev, &ib, NULL, false);
 	if (r) {
 		radeon_ib_free(rdev, &ib);