diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_gart.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_gart.c | 93 |
1 files changed, 76 insertions, 17 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c index b990b1a2bd5..96e440061bd 100644 --- a/drivers/gpu/drm/radeon/radeon_gart.c +++ b/drivers/gpu/drm/radeon/radeon_gart.c @@ -29,6 +29,7 @@ #include <drm/radeon_drm.h> #include "radeon.h" #include "radeon_reg.h" +#include "radeon_trace.h" /* * GART @@ -607,8 +608,8 @@ static int radeon_vm_evict(struct radeon_device *rdev, struct radeon_vm *vm) */ int radeon_vm_alloc_pt(struct radeon_device *rdev, struct radeon_vm *vm) { - unsigned pd_size, pts_size; - u64 *pd_addr; + unsigned pd_size, pd_entries, pts_size; + struct radeon_ib ib; int r; if (vm == NULL) { @@ -619,8 +620,10 @@ int radeon_vm_alloc_pt(struct radeon_device *rdev, struct radeon_vm *vm) return 0; } -retry: pd_size = radeon_vm_directory_size(rdev); + pd_entries = radeon_vm_num_pdes(rdev); + +retry: r = radeon_sa_bo_new(rdev, &rdev->vm_manager.sa_manager, &vm->page_directory, pd_size, RADEON_VM_PTB_ALIGN_SIZE, false); @@ -637,9 +640,31 @@ retry: vm->pd_gpu_addr = radeon_sa_bo_gpu_addr(vm->page_directory); /* Initially clear the page directory */ - pd_addr = radeon_sa_bo_cpu_addr(vm->page_directory); - memset(pd_addr, 0, pd_size); + r = radeon_ib_get(rdev, R600_RING_TYPE_DMA_INDEX, &ib, + NULL, pd_entries * 2 + 64); + if (r) { + radeon_sa_bo_free(rdev, &vm->page_directory, vm->fence); + return r; + } + + ib.length_dw = 0; + + radeon_asic_vm_set_page(rdev, &ib, vm->pd_gpu_addr, + 0, pd_entries, 0, 0); + + radeon_semaphore_sync_to(ib.semaphore, vm->fence); + r = radeon_ib_schedule(rdev, &ib, NULL); + if (r) { + radeon_ib_free(rdev, &ib); + radeon_sa_bo_free(rdev, &vm->page_directory, vm->fence); + return r; + } + radeon_fence_unref(&vm->fence); + vm->fence = radeon_fence_ref(ib.fence); + radeon_ib_free(rdev, &ib); + radeon_fence_unref(&vm->last_flush); + /* allocate page table array */ pts_size = radeon_vm_num_pdes(rdev) * sizeof(struct radeon_sa_bo *); vm->page_tables = kzalloc(pts_size, GFP_KERNEL); @@ -713,6 +738,7 @@ struct radeon_fence *radeon_vm_grab_id(struct radeon_device *rdev, for (i = 0; i < 2; ++i) { if (choices[i]) { vm->id = choices[i]; + trace_radeon_vm_grab_id(vm->id, ring); return rdev->vm_manager.active[choices[i]]; } } @@ -914,6 +940,26 @@ uint64_t radeon_vm_map_gart(struct radeon_device *rdev, uint64_t addr) } /** + * radeon_vm_page_flags - translate page flags to what the hw uses + * + * @flags: flags comming from userspace + * + * Translate the flags the userspace ABI uses to hw flags. + */ +static uint32_t radeon_vm_page_flags(uint32_t flags) +{ + uint32_t hw_flags = 0; + hw_flags |= (flags & RADEON_VM_PAGE_VALID) ? R600_PTE_VALID : 0; + hw_flags |= (flags & RADEON_VM_PAGE_READABLE) ? R600_PTE_READABLE : 0; + hw_flags |= (flags & RADEON_VM_PAGE_WRITEABLE) ? R600_PTE_WRITEABLE : 0; + if (flags & RADEON_VM_PAGE_SYSTEM) { + hw_flags |= R600_PTE_SYSTEM; + hw_flags |= (flags & RADEON_VM_PAGE_SNOOPED) ? R600_PTE_SNOOPED : 0; + } + return hw_flags; +} + +/** * radeon_vm_update_pdes - make sure that page directory is valid * * @rdev: radeon_device pointer @@ -974,7 +1020,11 @@ retry: if (count) { radeon_asic_vm_set_page(rdev, ib, last_pde, last_pt, count, incr, - RADEON_VM_PAGE_VALID); + R600_PTE_VALID); + + count *= RADEON_VM_PTE_COUNT; + radeon_asic_vm_set_page(rdev, ib, last_pt, 0, + count, 0, 0); } count = 1; @@ -987,8 +1037,11 @@ retry: if (count) { radeon_asic_vm_set_page(rdev, ib, last_pde, last_pt, count, - incr, RADEON_VM_PAGE_VALID); + incr, R600_PTE_VALID); + count *= RADEON_VM_PTE_COUNT; + radeon_asic_vm_set_page(rdev, ib, last_pt, 0, + count, 0, 0); } return 0; @@ -1065,7 +1118,7 @@ static void radeon_vm_update_ptes(struct radeon_device *rdev, } /** - * radeon_vm_bo_update_pte - map a bo into the vm page table + * radeon_vm_bo_update - map a bo into the vm page table * * @rdev: radeon_device pointer * @vm: requested vm @@ -1077,12 +1130,11 @@ static void radeon_vm_update_ptes(struct radeon_device *rdev, * * Object have to be reserved & global and local mutex must be locked! */ -int radeon_vm_bo_update_pte(struct radeon_device *rdev, - struct radeon_vm *vm, - struct radeon_bo *bo, - struct ttm_mem_reg *mem) +int radeon_vm_bo_update(struct radeon_device *rdev, + struct radeon_vm *vm, + struct radeon_bo *bo, + struct ttm_mem_reg *mem) { - unsigned ridx = rdev->asic->vm.pt_ring_index; struct radeon_ib ib; struct radeon_bo_va *bo_va; unsigned nptes, npdes, ndw; @@ -1126,6 +1178,8 @@ int radeon_vm_bo_update_pte(struct radeon_device *rdev, bo_va->valid = false; } + trace_radeon_vm_bo_update(bo_va); + nptes = radeon_bo_ngpu_pages(bo); /* assume two extra pdes in case the mapping overlaps the borders */ @@ -1151,11 +1205,16 @@ int radeon_vm_bo_update_pte(struct radeon_device *rdev, /* reserve space for pde addresses */ ndw += npdes * 2; + /* reserve space for clearing new page tables */ + ndw += npdes * 2 * RADEON_VM_PTE_COUNT; + /* update too big for an IB */ if (ndw > 0xfffff) return -ENOMEM; - r = radeon_ib_get(rdev, ridx, &ib, NULL, ndw * 4); + r = radeon_ib_get(rdev, R600_RING_TYPE_DMA_INDEX, &ib, NULL, ndw * 4); + if (r) + return r; ib.length_dw = 0; r = radeon_vm_update_pdes(rdev, vm, &ib, bo_va->soffset, bo_va->eoffset); @@ -1165,9 +1224,9 @@ int radeon_vm_bo_update_pte(struct radeon_device *rdev, } radeon_vm_update_ptes(rdev, vm, &ib, bo_va->soffset, bo_va->eoffset, - addr, bo_va->flags); + addr, radeon_vm_page_flags(bo_va->flags)); - radeon_ib_sync_to(&ib, vm->fence); + radeon_semaphore_sync_to(ib.semaphore, vm->fence); r = radeon_ib_schedule(rdev, &ib, NULL); if (r) { radeon_ib_free(rdev, &ib); @@ -1202,7 +1261,7 @@ int radeon_vm_bo_rmv(struct radeon_device *rdev, mutex_lock(&rdev->vm_manager.lock); mutex_lock(&bo_va->vm->mutex); if (bo_va->soffset) { - r = radeon_vm_bo_update_pte(rdev, bo_va->vm, bo_va->bo, NULL); + r = radeon_vm_bo_update(rdev, bo_va->vm, bo_va->bo, NULL); } mutex_unlock(&rdev->vm_manager.lock); list_del(&bo_va->vm_list); |