diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fault/tu104.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fault/tu104.c | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/tu104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/tu104.c deleted file mode 100644 index 9c8a3adf99d7..000000000000 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/tu104.c +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright 2018 Red Hat Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ -#include "priv.h" - -#include <core/memory.h> -#include <subdev/mmu.h> -#include <engine/fifo.h> - -#include <nvif/class.h> - -static void -tu104_fault_buffer_intr(struct nvkm_fault_buffer *buffer, bool enable) -{ - /*XXX: Earlier versions of RM touched the old regs on Turing, - * which don't appear to actually work anymore, but newer - * versions of RM don't appear to touch anything at all.. - */ -} - -static void -tu104_fault_buffer_fini(struct nvkm_fault_buffer *buffer) -{ - struct nvkm_device *device = buffer->fault->subdev.device; - const u32 foff = buffer->id * 0x20; - nvkm_mask(device, 0xb83010 + foff, 0x80000000, 0x00000000); -} - -static void -tu104_fault_buffer_init(struct nvkm_fault_buffer *buffer) -{ - struct nvkm_device *device = buffer->fault->subdev.device; - const u32 foff = buffer->id * 0x20; - - nvkm_mask(device, 0xb83010 + foff, 0xc0000000, 0x40000000); - nvkm_wr32(device, 0xb83004 + foff, upper_32_bits(buffer->addr)); - nvkm_wr32(device, 0xb83000 + foff, lower_32_bits(buffer->addr)); - nvkm_mask(device, 0xb83010 + foff, 0x80000000, 0x80000000); -} - -static void -tu104_fault_buffer_info(struct nvkm_fault_buffer *buffer) -{ - struct nvkm_device *device = buffer->fault->subdev.device; - const u32 foff = buffer->id * 0x20; - - nvkm_mask(device, 0xb83010 + foff, 0x40000000, 0x40000000); - - buffer->entries = nvkm_rd32(device, 0xb83010 + foff) & 0x000fffff; - buffer->get = 0xb83008 + foff; - buffer->put = 0xb8300c + foff; -} - -static void -tu104_fault_intr_fault(struct nvkm_fault *fault) -{ - struct nvkm_subdev *subdev = &fault->subdev; - struct nvkm_device *device = subdev->device; - struct nvkm_fault_data info; - const u32 addrlo = nvkm_rd32(device, 0xb83080); - const u32 addrhi = nvkm_rd32(device, 0xb83084); - const u32 info0 = nvkm_rd32(device, 0xb83088); - const u32 insthi = nvkm_rd32(device, 0xb8308c); - const u32 info1 = nvkm_rd32(device, 0xb83090); - - info.addr = ((u64)addrhi << 32) | addrlo; - info.inst = ((u64)insthi << 32) | (info0 & 0xfffff000); - info.time = 0; - info.engine = (info0 & 0x000000ff); - info.valid = (info1 & 0x80000000) >> 31; - info.gpc = (info1 & 0x1f000000) >> 24; - info.hub = (info1 & 0x00100000) >> 20; - info.access = (info1 & 0x000f0000) >> 16; - info.client = (info1 & 0x00007f00) >> 8; - info.reason = (info1 & 0x0000001f); - - nvkm_fifo_fault(device->fifo, &info); -} - -static void -tu104_fault_intr(struct nvkm_fault *fault) -{ - struct nvkm_subdev *subdev = &fault->subdev; - struct nvkm_device *device = subdev->device; - u32 stat = nvkm_rd32(device, 0xb83094); - - if (stat & 0x80000000) { - tu104_fault_intr_fault(fault); - nvkm_wr32(device, 0xb83094, 0x80000000); - stat &= ~0x80000000; - } - - if (stat & 0x00000200) { - if (fault->buffer[0]) { - nvkm_event_send(&fault->event, 1, 0, NULL, 0); - stat &= ~0x00000200; - } - } - - /*XXX: guess, can't confirm until we get fw... */ - if (stat & 0x00000100) { - if (fault->buffer[1]) { - nvkm_event_send(&fault->event, 1, 1, NULL, 0); - stat &= ~0x00000100; - } - } - - if (stat) { - nvkm_debug(subdev, "intr %08x\n", stat); - } -} - -static void -tu104_fault_fini(struct nvkm_fault *fault) -{ - nvkm_notify_put(&fault->nrpfb); - if (fault->buffer[0]) - fault->func->buffer.fini(fault->buffer[0]); - /*XXX: disable priv faults */ -} - -static void -tu104_fault_init(struct nvkm_fault *fault) -{ - /*XXX: enable priv faults */ - fault->func->buffer.init(fault->buffer[0]); - nvkm_notify_get(&fault->nrpfb); -} - -static const struct nvkm_fault_func -tu104_fault = { - .oneinit = gv100_fault_oneinit, - .init = tu104_fault_init, - .fini = tu104_fault_fini, - .intr = tu104_fault_intr, - .buffer.nr = 2, - .buffer.entry_size = 32, - .buffer.info = tu104_fault_buffer_info, - .buffer.init = tu104_fault_buffer_init, - .buffer.fini = tu104_fault_buffer_fini, - .buffer.intr = tu104_fault_buffer_intr, -}; - -int -tu104_fault_new(struct nvkm_device *device, int index, - struct nvkm_fault **pfault) -{ - return nvkm_fault_new_(&tu104_fault, device, index, pfault); -} |