drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgp100.c

   1 /*
   2  * Copyright 2016 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  * Authors: Ben Skeggs <bskeggs@redhat.com>
  23  */
  24 #include "ctxgf100.h"
  25
  26 #include <subdev/fb.h>
  27
  28 /*******************************************************************************
  29  * PGRAPH context implementation
  30  ******************************************************************************/
  31
  32 void
  33 gp100_grctx_generate_pagepool(struct gf100_grctx *info)
  34 {
  35         const struct gf100_grctx_func *grctx = info->gr->func->grctx;
  36         const int s = 8;
  37         const int b = mmio_vram(info, grctx->pagepool_size, (1 << s), true);
  38         mmio_refn(info, 0x40800c, 0x00000000, s, b);
  39         mmio_wr32(info, 0x408010, 0x8007d800);
  40         mmio_refn(info, 0x419004, 0x00000000, s, b);
  41         mmio_wr32(info, 0x419008, 0x00000000);
  42 }
  43
  44 static void
  45 gp100_grctx_generate_attrib(struct gf100_grctx *info)
  46 {
  47         struct gf100_gr *gr = info->gr;
  48         const struct gf100_grctx_func *grctx = gr->func->grctx;
  49         const u32  alpha = grctx->alpha_nr;
  50         const u32 attrib = grctx->attrib_nr;
  51         const int s = 12;
  52         const int max_batches = 0xffff;
  53         u32 size = grctx->alpha_nr_max * gr->tpc_total;
  54         u32 ao = 0;
  55         u32 bo = ao + size;
  56         int gpc, ppc, b, n = 0;
  57
  58         for (gpc = 0; gpc < gr->gpc_nr; gpc++)
  59                 size += grctx->attrib_nr_max * gr->ppc_nr[gpc] * gr->ppc_tpc_max;
  60         size = ((size * 0x20) + 128) & ~127;
  61         b = mmio_vram(info, size, (1 << s), false);
  62
  63         mmio_refn(info, 0x418810, 0x80000000, s, b);
  64         mmio_refn(info, 0x419848, 0x10000000, s, b);
  65         mmio_refn(info, 0x419c2c, 0x10000000, s, b);
  66         mmio_refn(info, 0x419b00, 0x00000000, s, b);
  67         mmio_wr32(info, 0x419b04, 0x80000000 | size >> 7);
  68         mmio_wr32(info, 0x405830, attrib);
  69         mmio_wr32(info, 0x40585c, alpha);
  70         mmio_wr32(info, 0x4064c4, ((alpha / 4) << 16) | max_batches);
  71
  72         for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
  73                 for (ppc = 0; ppc < gr->ppc_nr[gpc]; ppc++, n++) {
  74                         const u32 as =  alpha * gr->ppc_tpc_nr[gpc][ppc];
  75                         const u32 bs = attrib * gr->ppc_tpc_max;
  76                         const u32 u = 0x418ea0 + (n * 0x04);
  77                         const u32 o = PPC_UNIT(gpc, ppc, 0);
  78                         if (!(gr->ppc_mask[gpc] & (1 << ppc)))
  79                                 continue;
  80                         mmio_wr32(info, o + 0xc0, bs);
  81                         mmio_wr32(info, o + 0xf4, bo);
  82                         mmio_wr32(info, o + 0xf0, bs);
  83                         bo += grctx->attrib_nr_max * gr->ppc_tpc_max;
  84                         mmio_wr32(info, o + 0xe4, as);
  85                         mmio_wr32(info, o + 0xf8, ao);
  86                         ao += grctx->alpha_nr_max * gr->ppc_tpc_nr[gpc][ppc];
  87                         mmio_wr32(info, u, bs);
  88                 }
  89         }
  90
  91         mmio_wr32(info, 0x418eec, 0x00000000);
  92         mmio_wr32(info, 0x41befc, 0x00000000);
  93 }
  94
  95 void
  96 gp100_grctx_generate_smid_config(struct gf100_gr *gr)
  97 {
  98         struct nvkm_device *device = gr->base.engine.subdev.device;
  99         const u32 dist_nr = DIV_ROUND_UP(gr->tpc_total, 4);
 100         u32 dist[TPC_MAX / 4] = {}, gpcs[16] = {};
 101         u8  sm, i;
 102
 103         for (sm = 0; sm < gr->sm_nr; sm++) {
 104                 const u8 gpc = gr->sm[sm].gpc;
 105                 const u8 tpc = gr->sm[sm].tpc;
 106                 dist[sm / 4] |= ((gpc << 4) | tpc) << ((sm % 4) * 8);
 107                 gpcs[gpc + (gr->func->gpc_nr * (tpc / 4))] |= sm << ((tpc % 4) * 8);
 108         }
 109
 110         for (i = 0; i < dist_nr; i++)
 111                 nvkm_wr32(device, 0x405b60 + (i * 4), dist[i]);
 112         for (i = 0; i < ARRAY_SIZE(gpcs); i++)
 113                 nvkm_wr32(device, 0x405ba0 + (i * 4), gpcs[i]);
 114 }
 115
 116 const struct gf100_grctx_func
 117 gp100_grctx = {
 118         .main  = gf100_grctx_generate_main,
 119         .unkn  = gk104_grctx_generate_unkn,
 120         .bundle = gm107_grctx_generate_bundle,
 121         .bundle_size = 0x3000,
 122         .bundle_min_gpm_fifo_depth = 0x180,
 123         .bundle_token_limit = 0x1080,
 124         .pagepool = gp100_grctx_generate_pagepool,
 125         .pagepool_size = 0x20000,
 126         .attrib = gp100_grctx_generate_attrib,
 127         .attrib_nr_max = 0x660,
 128         .attrib_nr = 0x440,
 129         .alpha_nr_max = 0xc00,
 130         .alpha_nr = 0x800,
 131         .sm_id = gm107_grctx_generate_sm_id,
 132         .rop_mapping = gf117_grctx_generate_rop_mapping,
 133         .dist_skip_table = gm200_grctx_generate_dist_skip_table,
 134         .r406500 = gm200_grctx_generate_r406500,
 135         .gpc_tpc_nr = gk104_grctx_generate_gpc_tpc_nr,
 136         .tpc_mask = gm200_grctx_generate_tpc_mask,
 137         .smid_config = gp100_grctx_generate_smid_config,
 138         .r419a3c = gm200_grctx_generate_r419a3c,
 139 };