WREG32(VM_INVALIDATE_REQUEST, 1);
}
-int cayman_pcie_gart_enable(struct radeon_device *rdev)
+static int cayman_pcie_gart_enable(struct radeon_device *rdev)
{
int i, r;
WREG32(0x15DC, 0);
/* empty context1-7 */
+ /* Assign the pt base to something valid for now; the pts used for
+ * the VMs are determined by the application and setup and assigned
+ * on the fly in the vm part of radeon_gart.c
+ */
for (i = 1; i < 8; i++) {
WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
- WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), 0);
+ WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), rdev->vm_manager.max_pfn);
WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
rdev->gart.table_addr >> 12);
}
(u32)(rdev->dummy_page.addr >> 12));
WREG32(VM_CONTEXT1_CNTL2, 0);
WREG32(VM_CONTEXT1_CNTL, 0);
- WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
+ WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
cayman_pcie_gart_tlb_flush(rdev);
return 0;
}
-void cayman_pcie_gart_disable(struct radeon_device *rdev)
+static void cayman_pcie_gart_disable(struct radeon_device *rdev)
{
/* Disable all tables */
WREG32(VM_CONTEXT0_CNTL, 0);
radeon_gart_table_vram_unpin(rdev);
}
-void cayman_pcie_gart_fini(struct radeon_device *rdev)
+static void cayman_pcie_gart_fini(struct radeon_device *rdev)
{
cayman_pcie_gart_disable(rdev);
radeon_gart_table_vram_free(rdev);
#endif
(ib->gpu_addr & 0xFFFFFFFC));
radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
- radeon_ring_write(ring, ib->length_dw | (ib->vm_id << 24));
+ radeon_ring_write(ring, ib->length_dw |
+ (ib->vm ? (ib->vm->id << 24) : 0));
/* flush read cache over gart for this vmid */
radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
- radeon_ring_write(ring, ib->vm_id);
+ radeon_ring_write(ring, ib->vm ? ib->vm->id : 0);
radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA);
radeon_ring_write(ring, 0xFFFFFFFF);
radeon_scratch_free(rdev, ring->rptr_save_reg);
}
-int cayman_cp_resume(struct radeon_device *rdev)
+static int cayman_cp_resume(struct radeon_device *rdev)
{
static const int ridx[] = {
RADEON_RING_TYPE_GFX_INDEX,
WREG32(CP_DEBUG, (1 << 27));
- /* set the wb address wether it's enabled or not */
+ /* set the wb address whether it's enabled or not */
WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
WREG32(SCRATCH_UMSK, 0xff);
#endif
WREG32(cp_rb_cntl[i], rb_cntl);
- /* set the wb address wether it's enabled or not */
+ /* set the wb address whether it's enabled or not */
addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET;
WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC);
WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF);
{
}
-int cayman_vm_bind(struct radeon_device *rdev, struct radeon_vm *vm, int id)
-{
- WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (id << 2), 0);
- WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (id << 2), vm->last_pfn);
- WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (id << 2), vm->pt_gpu_addr >> 12);
- /* flush hdp cache */
- WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
- /* bits 0-7 are the VM contexts0-7 */
- WREG32(VM_INVALIDATE_REQUEST, 1 << id);
- return 0;
-}
-
-void cayman_vm_unbind(struct radeon_device *rdev, struct radeon_vm *vm)
-{
- WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (vm->id << 2), 0);
- WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (vm->id << 2), 0);
- WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2), 0);
- /* flush hdp cache */
- WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
- /* bits 0-7 are the VM contexts0-7 */
- WREG32(VM_INVALIDATE_REQUEST, 1 << vm->id);
-}
-
-void cayman_vm_tlb_flush(struct radeon_device *rdev, struct radeon_vm *vm)
-{
- if (vm->id == -1)
- return;
-
- /* flush hdp cache */
- WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
- /* bits 0-7 are the VM contexts0-7 */
- WREG32(VM_INVALIDATE_REQUEST, 1 << vm->id);
-}
-
-#define R600_PTE_VALID (1 << 0)
+#define R600_ENTRY_VALID (1 << 0)
#define R600_PTE_SYSTEM (1 << 1)
#define R600_PTE_SNOOPED (1 << 2)
#define R600_PTE_READABLE (1 << 5)
#define R600_PTE_WRITEABLE (1 << 6)
-uint32_t cayman_vm_page_flags(struct radeon_device *rdev,
- struct radeon_vm *vm,
- uint32_t flags)
+uint32_t cayman_vm_page_flags(struct radeon_device *rdev, uint32_t flags)
{
uint32_t r600_flags = 0;
-
- r600_flags |= (flags & RADEON_VM_PAGE_VALID) ? R600_PTE_VALID : 0;
+ r600_flags |= (flags & RADEON_VM_PAGE_VALID) ? R600_ENTRY_VALID : 0;
r600_flags |= (flags & RADEON_VM_PAGE_READABLE) ? R600_PTE_READABLE : 0;
r600_flags |= (flags & RADEON_VM_PAGE_WRITEABLE) ? R600_PTE_WRITEABLE : 0;
if (flags & RADEON_VM_PAGE_SYSTEM) {
return r600_flags;
}
-void cayman_vm_set_page(struct radeon_device *rdev, struct radeon_vm *vm,
- unsigned pfn, uint64_t addr, uint32_t flags)
+/**
+ * cayman_vm_set_page - update the page tables using the CP
+ *
+ * @rdev: radeon_device pointer
+ * @pe: addr of the page entry
+ * @addr: dst addr to write into pe
+ * @count: number of page entries to update
+ * @incr: increase next addr by incr bytes
+ * @flags: access flags
+ *
+ * Update the page tables using the CP (cayman-si).
+ */
+void cayman_vm_set_page(struct radeon_device *rdev, uint64_t pe,
+ uint64_t addr, unsigned count,
+ uint32_t incr, uint32_t flags)
+{
+ struct radeon_ring *ring = &rdev->ring[rdev->asic->vm.pt_ring_index];
+ uint32_t r600_flags = cayman_vm_page_flags(rdev, flags);
+
+ while (count) {
+ unsigned ndw = 1 + count * 2;
+ if (ndw > 0x3FFF)
+ ndw = 0x3FFF;
+
+ radeon_ring_write(ring, PACKET3(PACKET3_ME_WRITE, ndw));
+ radeon_ring_write(ring, pe);
+ radeon_ring_write(ring, upper_32_bits(pe) & 0xff);
+ for (; ndw > 1; ndw -= 2, --count, pe += 8) {
+ uint64_t value = 0;
+ if (flags & RADEON_VM_PAGE_SYSTEM) {
+ value = radeon_vm_map_gart(rdev, addr);
+ value &= 0xFFFFFFFFFFFFF000ULL;
+ addr += incr;
+
+ } else if (flags & RADEON_VM_PAGE_VALID) {
+ value = addr;
+ addr += incr;
+ }
+
+ value |= r600_flags;
+ radeon_ring_write(ring, value);
+ radeon_ring_write(ring, upper_32_bits(value));
+ }
+ }
+}
+
+/**
+ * cayman_vm_flush - vm flush using the CP
+ *
+ * @rdev: radeon_device pointer
+ *
+ * Update the page table base and flush the VM TLB
+ * using the CP (cayman-si).
+ */
+void cayman_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
{
- void __iomem *ptr = (void *)vm->pt;
+ struct radeon_ring *ring = &rdev->ring[ridx];
+
+ if (vm == NULL)
+ return;
+
+ radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2), 0));
+ radeon_ring_write(ring, vm->pd_gpu_addr >> 12);
- addr = addr & 0xFFFFFFFFFFFFF000ULL;
- addr |= flags;
- writeq(addr, ptr + (pfn * 8));
+ /* flush hdp cache */
+ radeon_ring_write(ring, PACKET0(HDP_MEM_COHERENCY_FLUSH_CNTL, 0));
+ radeon_ring_write(ring, 0x1);
+
+ /* bits 0-7 are the VM contexts0-7 */
+ radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0));
+ radeon_ring_write(ring, 1 << vm->id);
+
+ /* sync PFP to ME, otherwise we might get invalid PFP reads */
+ radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
+ radeon_ring_write(ring, 0x0);
}
projects / deliverable / linux.git / blobdiff