diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_gart.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_gart.c | 60 |
1 files changed, 24 insertions, 36 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c index 6e24f84755b5..2c1341f63dc5 100644 --- a/drivers/gpu/drm/radeon/radeon_gart.c +++ b/drivers/gpu/drm/radeon/radeon_gart.c @@ -929,6 +929,7 @@ uint64_t radeon_vm_map_gart(struct radeon_device *rdev, uint64_t addr) */ static int radeon_vm_update_pdes(struct radeon_device *rdev, struct radeon_vm *vm, + struct radeon_ib *ib, uint64_t start, uint64_t end) { static const uint32_t incr = RADEON_VM_PTE_COUNT * 8; @@ -971,7 +972,7 @@ retry: ((last_pt + incr * count) != pt)) { if (count) { - radeon_asic_vm_set_page(rdev, last_pde, + radeon_asic_vm_set_page(rdev, ib, last_pde, last_pt, count, incr, RADEON_VM_PAGE_VALID); } @@ -985,7 +986,7 @@ retry: } if (count) { - radeon_asic_vm_set_page(rdev, last_pde, last_pt, count, + radeon_asic_vm_set_page(rdev, ib, last_pde, last_pt, count, incr, RADEON_VM_PAGE_VALID); } @@ -1009,6 +1010,7 @@ retry: */ static void radeon_vm_update_ptes(struct radeon_device *rdev, struct radeon_vm *vm, + struct radeon_ib *ib, uint64_t start, uint64_t end, uint64_t dst, uint32_t flags) { @@ -1038,7 +1040,7 @@ static void radeon_vm_update_ptes(struct radeon_device *rdev, if ((last_pte + 8 * count) != pte) { if (count) { - radeon_asic_vm_set_page(rdev, last_pte, + radeon_asic_vm_set_page(rdev, ib, last_pte, last_dst, count, RADEON_GPU_PAGE_SIZE, flags); @@ -1056,7 +1058,8 @@ static void radeon_vm_update_ptes(struct radeon_device *rdev, } if (count) { - radeon_asic_vm_set_page(rdev, last_pte, last_dst, count, + radeon_asic_vm_set_page(rdev, ib, last_pte, + last_dst, count, RADEON_GPU_PAGE_SIZE, flags); } } @@ -1080,8 +1083,7 @@ int radeon_vm_bo_update_pte(struct radeon_device *rdev, struct ttm_mem_reg *mem) { unsigned ridx = rdev->asic->vm.pt_ring_index; - struct radeon_ring *ring = &rdev->ring[ridx]; - struct radeon_semaphore *sem = NULL; + struct radeon_ib ib; struct radeon_bo_va *bo_va; unsigned nptes, npdes, ndw; uint64_t addr; @@ -1124,25 +1126,13 @@ int radeon_vm_bo_update_pte(struct radeon_device *rdev, bo_va->valid = false; } - if (vm->fence && radeon_fence_signaled(vm->fence)) { - radeon_fence_unref(&vm->fence); - } - - if (vm->fence && vm->fence->ring != ridx) { - r = radeon_semaphore_create(rdev, &sem); - if (r) { - return r; - } - } - nptes = radeon_bo_ngpu_pages(bo); /* assume two extra pdes in case the mapping overlaps the borders */ npdes = (nptes >> RADEON_VM_BLOCK_SIZE) + 2; - /* estimate number of dw needed */ - /* semaphore, fence and padding */ - ndw = 32; + /* padding, etc. */ + ndw = 64; if (RADEON_VM_BLOCK_SIZE > 11) /* reserve space for one header for every 2k dwords */ @@ -1161,33 +1151,31 @@ int radeon_vm_bo_update_pte(struct radeon_device *rdev, /* reserve space for pde addresses */ ndw += npdes * 2; - r = radeon_ring_lock(rdev, ring, ndw); - if (r) { - return r; - } + /* update too big for an IB */ + if (ndw > 0xfffff) + return -ENOMEM; - if (sem && radeon_fence_need_sync(vm->fence, ridx)) { - radeon_semaphore_sync_rings(rdev, sem, vm->fence->ring, ridx); - radeon_fence_note_sync(vm->fence, ridx); - } + r = radeon_ib_get(rdev, ridx, &ib, NULL, ndw * 4); + ib.length_dw = 0; - r = radeon_vm_update_pdes(rdev, vm, bo_va->soffset, bo_va->eoffset); + r = radeon_vm_update_pdes(rdev, vm, &ib, bo_va->soffset, bo_va->eoffset); if (r) { - radeon_ring_unlock_undo(rdev, ring); + radeon_ib_free(rdev, &ib); return r; } - radeon_vm_update_ptes(rdev, vm, bo_va->soffset, bo_va->eoffset, + radeon_vm_update_ptes(rdev, vm, &ib, bo_va->soffset, bo_va->eoffset, addr, bo_va->flags); - radeon_fence_unref(&vm->fence); - r = radeon_fence_emit(rdev, &vm->fence, ridx); + radeon_ib_sync_to(&ib, vm->fence); + r = radeon_ib_schedule(rdev, &ib, NULL); if (r) { - radeon_ring_unlock_undo(rdev, ring); + radeon_ib_free(rdev, &ib); return r; } - radeon_ring_unlock_commit(rdev, ring); - radeon_semaphore_free(rdev, &sem, vm->fence); + radeon_fence_unref(&vm->fence); + vm->fence = radeon_fence_ref(ib.fence); + radeon_ib_free(rdev, &ib); radeon_fence_unref(&vm->last_flush); return 0; |