2 * Copyright 2015 Red Hat Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
22 * Authors: Ben Skeggs <bskeggs@redhat.com>
26 /*******************************************************************************
27 * PGRAPH context implementation
28 ******************************************************************************/
31 gm200_grctx_generate_tpcid(struct gf100_gr *gr)
33 struct nvkm_device *device = gr->base.engine.subdev.device;
36 for (tpc = 0, id = 0; tpc < 4; tpc++) {
37 for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
38 if (tpc < gr->tpc_nr[gpc]) {
39 nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x698), id);
40 nvkm_wr32(device, GPC_UNIT(gpc, 0x0c10 + tpc * 4), id);
41 nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x088), id);
49 gm200_grctx_generate_rop_active_fbps(struct gf100_gr *gr)
51 struct nvkm_device *device = gr->base.engine.subdev.device;
52 const u32 fbp_count = nvkm_rd32(device, 0x12006c);
53 nvkm_mask(device, 0x408850, 0x0000000f, fbp_count); /* zrop */
54 nvkm_mask(device, 0x408958, 0x0000000f, fbp_count); /* crop */
58 gm200_grctx_generate_405b60(struct gf100_gr *gr)
60 struct nvkm_device *device = gr->base.engine.subdev.device;
61 const u32 dist_nr = DIV_ROUND_UP(gr->tpc_total, 4);
62 u32 dist[TPC_MAX / 4] = {};
63 u32 gpcs[GPC_MAX] = {};
67 memcpy(tpcnr, gr->tpc_nr, sizeof(gr->tpc_nr));
69 /* won't result in the same distribution as the binary driver where
70 * some of the gpcs have more tpcs than others, but this shall do
71 * for the moment. the code for earlier gpus has this issue too.
73 for (gpc = -1, i = 0; i < gr->tpc_total; i++) {
75 gpc = (gpc + 1) % gr->gpc_nr;
77 tpc = gr->tpc_nr[gpc] - tpcnr[gpc]--;
79 dist[i / 4] |= ((gpc << 4) | tpc) << ((i % 4) * 8);
80 gpcs[gpc] |= i << (tpc * 8);
83 for (i = 0; i < dist_nr; i++)
84 nvkm_wr32(device, 0x405b60 + (i * 4), dist[i]);
85 for (i = 0; i < gr->gpc_nr; i++)
86 nvkm_wr32(device, 0x405ba0 + (i * 4), gpcs[i]);
90 gm200_grctx_generate_main(struct gf100_gr *gr, struct gf100_grctx *info)
92 struct nvkm_device *device = gr->base.engine.subdev.device;
93 const struct gf100_grctx_func *grctx = gr->func->grctx;
94 u32 idle_timeout, tmp;
97 gf100_gr_mmio(gr, gr->fuc_sw_ctx);
99 idle_timeout = nvkm_mask(device, 0x404154, 0xffffffff, 0x00000000);
102 grctx->pagepool(info);
106 gm200_grctx_generate_tpcid(gr);
107 gf100_grctx_generate_r406028(gr);
108 gk104_grctx_generate_r418bb8(gr);
110 for (i = 0; i < 8; i++)
111 nvkm_wr32(device, 0x4064d0 + (i * 0x04), 0x00000000);
112 nvkm_wr32(device, 0x406500, 0x00000000);
114 nvkm_wr32(device, 0x405b00, (gr->tpc_total << 8) | gr->gpc_nr);
116 gm200_grctx_generate_rop_active_fbps(gr);
118 for (tmp = 0, i = 0; i < gr->gpc_nr; i++)
119 tmp |= ((1 << gr->tpc_nr[i]) - 1) << (i * 4);
120 nvkm_wr32(device, 0x4041c4, tmp);
122 gm200_grctx_generate_405b60(gr);
124 gf100_gr_icmd(gr, gr->fuc_bundle);
125 nvkm_wr32(device, 0x404154, idle_timeout);
126 gf100_gr_mthd(gr, gr->fuc_method);
128 nvkm_mask(device, 0x418e94, 0xffffffff, 0xc4230000);
129 nvkm_mask(device, 0x418e4c, 0xffffffff, 0x70000000);
132 const struct gf100_grctx_func
134 .main = gm200_grctx_generate_main,
135 .unkn = gk104_grctx_generate_unkn,
136 .bundle = gm107_grctx_generate_bundle,
137 .bundle_size = 0x3000,
138 .bundle_min_gpm_fifo_depth = 0x180,
139 .bundle_token_limit = 0x780,
140 .pagepool = gm107_grctx_generate_pagepool,
141 .pagepool_size = 0x20000,
142 .attrib = gm107_grctx_generate_attrib,
143 .attrib_nr_max = 0x600,
145 .alpha_nr_max = 0x1800,