diff options
| author | Christian König <christian.koenig@amd.com> | 2014-05-30 15:21:16 +0200 |
|---|---|---|
| committer | Christian König <christian.koenig@amd.com> | 2014-06-02 10:56:21 +0200 |
| commit | 37903b5e08ec9a481a811287b4db3dfe61f6e31f (patch) | |
| tree | bf4599da72011f62a1ed1224567cc6d94f07d70c | |
| parent | 2f93dc32b09a2c97f6f33bafe4c6bdcec7cae774 (diff) | |
drm/radeon: sync page table updates
Only necessary if we don't use the same engine for buffer moves and table updates.
Signed-off-by: Christian König <christian.koenig@amd.com>
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_vm.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c index 1491be90755..c11b71d249e 100644 --- a/drivers/gpu/drm/radeon/radeon_vm.c +++ b/drivers/gpu/drm/radeon/radeon_vm.c @@ -585,7 +585,8 @@ int radeon_vm_update_page_directory(struct radeon_device *rdev, { static const uint32_t incr = RADEON_VM_PTE_COUNT * 8; - uint64_t pd_addr = radeon_bo_gpu_offset(vm->page_directory); + struct radeon_bo *pd = vm->page_directory; + uint64_t pd_addr = radeon_bo_gpu_offset(pd); uint64_t last_pde = ~0, last_pt = ~0; unsigned count = 0, pt_idx, ndw; struct radeon_ib ib; @@ -642,6 +643,7 @@ int radeon_vm_update_page_directory(struct radeon_device *rdev, incr, R600_PTE_VALID); if (ib.length_dw != 0) { + radeon_semaphore_sync_to(ib.semaphore, pd->tbo.sync_obj); radeon_semaphore_sync_to(ib.semaphore, vm->last_id_use); r = radeon_ib_schedule(rdev, &ib, NULL); if (r) { @@ -689,15 +691,18 @@ static void radeon_vm_update_ptes(struct radeon_device *rdev, /* walk over the address space and update the page tables */ for (addr = start; addr < end; ) { uint64_t pt_idx = addr >> RADEON_VM_BLOCK_SIZE; + struct radeon_bo *pt = vm->page_tables[pt_idx].bo; unsigned nptes; uint64_t pte; + radeon_semaphore_sync_to(ib->semaphore, pt->tbo.sync_obj); + if ((addr & ~mask) == (end & ~mask)) nptes = end - addr; else nptes = RADEON_VM_PTE_COUNT - (addr & mask); - pte = radeon_bo_gpu_offset(vm->page_tables[pt_idx].bo); + pte = radeon_bo_gpu_offset(pt); pte += (addr & mask) * 8; if ((last_pte + 8 * count) != pte) { |