From d0e9351e420695907e28e921d3786265253787c1 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Tue, 8 May 2018 20:39:46 +1000 Subject: [PATCH] drm/nouveau/fault/gp100: implement replayable fault buffer initialisation Signed-off-by: Ben Skeggs --- .../gpu/drm/nouveau/include/nvkm/subdev/fault.h | 2 + drivers/gpu/drm/nouveau/nvkm/engine/device/base.c | 7 +++ drivers/gpu/drm/nouveau/nvkm/subdev/fault/Kbuild | 1 + drivers/gpu/drm/nouveau/nvkm/subdev/fault/gp100.c | 69 ++++++++++++++++++++++ 4 files changed, 79 insertions(+) create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/fault/gp100.c diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/fault.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/fault.h index 6ba9c17..8ca66e5 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/fault.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/fault.h @@ -11,4 +11,6 @@ struct nvkm_fault { struct nvkm_event event; }; + +int gp100_fault_new(struct nvkm_device *, int, struct nvkm_fault **); #endif diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c index 70f3cc0..379e701 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c @@ -2161,6 +2161,7 @@ nv130_chipset = { .bios = nvkm_bios_new, .bus = gf100_bus_new, .devinit = gm200_devinit_new, + .fault = gp100_fault_new, .fb = gp100_fb_new, .fuse = gm107_fuse_new, .gpio = gk104_gpio_new, @@ -2196,6 +2197,7 @@ nv132_chipset = { .bios = nvkm_bios_new, .bus = gf100_bus_new, .devinit = gm200_devinit_new, + .fault = gp100_fault_new, .fb = gp102_fb_new, .fuse = gm107_fuse_new, .gpio = gk104_gpio_new, @@ -2231,6 +2233,7 @@ nv134_chipset = { .bios = nvkm_bios_new, .bus = gf100_bus_new, .devinit = gm200_devinit_new, + .fault = gp100_fault_new, .fb = gp102_fb_new, .fuse = gm107_fuse_new, .gpio = gk104_gpio_new, @@ -2266,6 +2269,7 @@ nv136_chipset = { .bios = nvkm_bios_new, .bus = gf100_bus_new, .devinit = gm200_devinit_new, + .fault = gp100_fault_new, .fb = gp102_fb_new, .fuse = gm107_fuse_new, .gpio = gk104_gpio_new, @@ -2301,6 +2305,7 @@ nv137_chipset = { .bios = nvkm_bios_new, .bus = gf100_bus_new, .devinit = gm200_devinit_new, + .fault = gp100_fault_new, .fb = gp102_fb_new, .fuse = gm107_fuse_new, .gpio = gk104_gpio_new, @@ -2336,6 +2341,7 @@ nv138_chipset = { .bios = nvkm_bios_new, .bus = gf100_bus_new, .devinit = gm200_devinit_new, + .fault = gp100_fault_new, .fb = gp102_fb_new, .fuse = gm107_fuse_new, .gpio = gk104_gpio_new, @@ -2369,6 +2375,7 @@ nv13b_chipset = { .name = "GP10B", .bar = gm20b_bar_new, .bus = gf100_bus_new, + .fault = gp100_fault_new, .fb = gp10b_fb_new, .fuse = gm107_fuse_new, .ibus = gp10b_ibus_new, diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/Kbuild index 2e4c226..807ea40 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/Kbuild +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/Kbuild @@ -1 +1,2 @@ nvkm-y += nvkm/subdev/fault/base.o +nvkm-y += nvkm/subdev/fault/gp100.o diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fault/gp100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/gp100.c new file mode 100644 index 0000000..5e71db2 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fault/gp100.c @@ -0,0 +1,69 @@ +/* + * 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 + +static void +gp100_fault_buffer_fini(struct nvkm_fault_buffer *buffer) +{ + struct nvkm_device *device = buffer->fault->subdev.device; + nvkm_mask(device, 0x002a70, 0x00000001, 0x00000000); +} + +static void +gp100_fault_buffer_init(struct nvkm_fault_buffer *buffer) +{ + struct nvkm_device *device = buffer->fault->subdev.device; + nvkm_wr32(device, 0x002a74, upper_32_bits(buffer->vma->addr)); + nvkm_wr32(device, 0x002a70, lower_32_bits(buffer->vma->addr)); + nvkm_mask(device, 0x002a70, 0x00000001, 0x00000001); +} + +static u32 +gp100_fault_buffer_entries(struct nvkm_fault_buffer *buffer) +{ + return nvkm_rd32(buffer->fault->subdev.device, 0x002a78); +} + +static void +gp100_fault_intr(struct nvkm_fault *fault) +{ + nvkm_event_send(&fault->event, 1, 0, NULL, 0); +} + +static const struct nvkm_fault_func +gp100_fault = { + .intr = gp100_fault_intr, + .buffer.nr = 1, + .buffer.entry_size = 32, + .buffer.entries = gp100_fault_buffer_entries, + .buffer.init = gp100_fault_buffer_init, + .buffer.fini = gp100_fault_buffer_fini, +}; + +int +gp100_fault_new(struct nvkm_device *device, int index, + struct nvkm_fault **pfault) +{ + return nvkm_fault_new_(&gp100_fault, device, index, pfault); +} -- 2.7.4