/* * Copyright (c) 2019 NVIDIA Corporation. * * 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. * * Authors: Thierry Reding */ #include "priv.h" static void gp10b_ltc_init(struct nvkm_ltc *ltc) { struct nvkm_device *device = ltc->subdev.device; struct iommu_fwspec *spec; nvkm_wr32(device, 0x17e27c, ltc->ltc_nr); nvkm_wr32(device, 0x17e000, ltc->ltc_nr); nvkm_wr32(device, 0x100800, ltc->ltc_nr); spec = dev_iommu_fwspec_get(device->dev); if (spec) { u32 sid = spec->ids[0] & 0xffff; /* stream ID */ nvkm_wr32(device, 0x160000, sid << 2); } } static const struct nvkm_ltc_func gp10b_ltc = { .oneinit = gp100_ltc_oneinit, .init = gp10b_ltc_init, .intr = gp100_ltc_intr, .cbc_clear = gm107_ltc_cbc_clear, .cbc_wait = gm107_ltc_cbc_wait, .zbc_color = 16, .zbc_depth = 16, .zbc_clear_color = gm107_ltc_zbc_clear_color, .zbc_clear_depth = gm107_ltc_zbc_clear_depth, .zbc_clear_stencil = gp102_ltc_zbc_clear_stencil, .invalidate = gf100_ltc_invalidate, .flush = gf100_ltc_flush, }; int gp10b_ltc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_ltc **pltc) { return nvkm_ltc_new_(&gp10b_ltc, device, type, inst, pltc); }