linux/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gp102.c
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   1/*
   2 * Copyright 2018 Red Hat Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 */
  22#include "priv.h"
  23
  24void
  25gp102_ltc_zbc_clear_stencil(struct nvkm_ltc *ltc, int i, const u32 stencil)
  26{
  27        struct nvkm_device *device = ltc->subdev.device;
  28        nvkm_mask(device, 0x17e338, 0x0000000f, i);
  29        nvkm_wr32(device, 0x17e204, stencil);
  30}
  31
  32static const struct nvkm_ltc_func
  33gp102_ltc = {
  34        .oneinit = gp100_ltc_oneinit,
  35        .init = gp100_ltc_init,
  36        .intr = gp100_ltc_intr,
  37        .cbc_clear = gm107_ltc_cbc_clear,
  38        .cbc_wait = gm107_ltc_cbc_wait,
  39        .zbc = 16,
  40        .zbc_clear_color = gm107_ltc_zbc_clear_color,
  41        .zbc_clear_depth = gm107_ltc_zbc_clear_depth,
  42        .zbc_clear_stencil = gp102_ltc_zbc_clear_stencil,
  43        .invalidate = gf100_ltc_invalidate,
  44        .flush = gf100_ltc_flush,
  45};
  46
  47int
  48gp102_ltc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
  49              struct nvkm_ltc **pltc)
  50{
  51        return nvkm_ltc_new_(&gp102_ltc, device, type, inst, pltc);
  52}
  53