diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/fault/gp100.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/fault/gp100.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fault/gp100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fault/gp100.c new file mode 100644 index 000000000000..384bf6069ed9 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fault/gp100.c @@ -0,0 +1,61 @@ +/* + * Copyright 2017 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 <nvif/class.h> + +static void +gp100_fault_fini(struct nvkm_fault *fault) +{ + struct nvkm_device *device = fault->engine.subdev.device; + nvkm_mask(device, 0x002a70, 0x00000001, 0x00000000); +} + +static void +gp100_fault_init(struct nvkm_fault *fault) +{ + struct nvkm_device *device = fault->engine.subdev.device; + nvkm_wr32(device, 0x002a74, upper_32_bits(fault->vma.offset)); + nvkm_wr32(device, 0x002a70, lower_32_bits(fault->vma.offset)); + nvkm_mask(device, 0x002a70, 0x00000001, 0x00000001); +} + +static u32 +gp100_fault_size(struct nvkm_fault *fault) +{ + return nvkm_rd32(fault->engine.subdev.device, 0x002a78) * 32; +} + +static const struct nvkm_fault_func +gp100_fault = { + .size = gp100_fault_size, + .init = gp100_fault_init, + .fini = gp100_fault_fini, + .oclass = MAXWELL_FAULT_BUFFER_A, +}; + +int +gp100_fault_new(struct nvkm_device *device, int index, + struct nvkm_engine **pengine) +{ + return nvkm_fault_new_(&gp100_fault, device, index, pengine); +} |