diff options
author | Christian König <christian.koenig@amd.com> | 2014-09-04 18:01:53 (GMT) |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2014-09-11 14:46:01 (GMT) |
commit | 57d20a43c9b30663bdbacde8294a902edef35a84 (patch) | |
tree | 1a2ab2ad48988611c498f8e8c202a6a90b1598da /drivers/gpu/drm/radeon/radeon_vm.c | |
parent | ae9c0af2c0ea92e57013ab2dd7271ba7d6b2a833 (diff) | |
download | linux-57d20a43c9b30663bdbacde8294a902edef35a84.tar.xz |
drm/radeon: add the infrastructure for concurrent buffer access
This allows us to specify if we want to sync to
the shared fences of a reservation object or not.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_vm.c')
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_vm.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c index 1cce446..ce87095 100644 --- a/drivers/gpu/drm/radeon/radeon_vm.c +++ b/drivers/gpu/drm/radeon/radeon_vm.c @@ -696,15 +696,10 @@ int radeon_vm_update_page_directory(struct radeon_device *rdev, incr, R600_PTE_VALID); if (ib.length_dw != 0) { - struct fence *fence; - radeon_asic_vm_pad_ib(rdev, &ib); - fence = reservation_object_get_excl(pd->tbo.resv); - radeon_semaphore_sync_to(ib.semaphore, - (struct radeon_fence *)fence); - - radeon_semaphore_sync_to(ib.semaphore, vm->last_id_use); + radeon_semaphore_sync_resv(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) { @@ -829,11 +824,8 @@ static void radeon_vm_update_ptes(struct radeon_device *rdev, struct radeon_bo *pt = vm->page_tables[pt_idx].bo; unsigned nptes; uint64_t pte; - struct fence *fence; - fence = reservation_object_get_excl(pt->tbo.resv); - radeon_semaphore_sync_to(ib->semaphore, - (struct radeon_fence *)fence); + radeon_semaphore_sync_resv(ib->semaphore, pt->tbo.resv, false); if ((addr & ~mask) == (end & ~mask)) nptes = end - addr; @@ -975,7 +967,7 @@ 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_to(ib.semaphore, vm->fence); + radeon_semaphore_sync_fence(ib.semaphore, vm->fence); r = radeon_ib_schedule(rdev, &ib, NULL, false); if (r) { radeon_ib_free(rdev, &ib); |