drivers/gpu/drm/nouveau/nvkm/engine/gr/gp10b.c

   1 /*
   2  * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
   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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  20  * DEALINGS IN THE SOFTWARE.
  21  */
  22
  23 #include "gf100.h"
  24 #include "ctxgf100.h"
  25
  26 #include <nvif/class.h>
  27
  28 static void
  29 gp10b_gr_init_num_active_ltcs(struct gf100_gr *gr)
  30 {
  31         struct nvkm_device *device = gr->base.engine.subdev.device;
  32
  33         nvkm_wr32(device, GPC_BCAST(0x08ac), nvkm_rd32(device, 0x100800));
  34 }
  35
  36 static const struct gf100_gr_func
  37 gp10b_gr = {
  38         .init = gp100_gr_init,
  39         .init_gpc_mmu = gm200_gr_init_gpc_mmu,
  40         .init_rop_active_fbps = gp100_gr_init_rop_active_fbps,
  41         .init_ppc_exceptions = gk104_gr_init_ppc_exceptions,
  42         .init_num_active_ltcs = gp10b_gr_init_num_active_ltcs,
  43         .rops = gm200_gr_rops,
  44         .ppc_nr = 1,
  45         .grctx = &gp102_grctx,
  46         .sclass = {
  47                 { -1, -1, FERMI_TWOD_A },
  48                 { -1, -1, KEPLER_INLINE_TO_MEMORY_B },
  49                 { -1, -1, PASCAL_A, &gf100_fermi },
  50                 { -1, -1, PASCAL_COMPUTE_A },
  51                 {}
  52         }
  53 };
  54
  55 int
  56 gp10b_gr_new(struct nvkm_device *device, int index, struct nvkm_gr **pgr)
  57 {
  58         return gm200_gr_new_(&gp10b_gr, device, index, pgr);
  59 }