diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgm200.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgm200.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgm200.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgm200.c new file mode 100644 index 000000000000..e586699fc43f --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgm200.c @@ -0,0 +1,147 @@ +/* + * Copyright 2015 Red Hat Inc. + * + * 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: Ben Skeggs <bskeggs@redhat.com> + */ +#include "ctxgf100.h" + +/******************************************************************************* + * PGRAPH context implementation + ******************************************************************************/ + +void +gm200_grctx_generate_tpcid(struct gf100_gr *gr) +{ + struct nvkm_device *device = gr->base.engine.subdev.device; + int gpc, tpc, id; + + for (tpc = 0, id = 0; tpc < 4; tpc++) { + for (gpc = 0; gpc < gr->gpc_nr; gpc++) { + if (tpc < gr->tpc_nr[gpc]) { + nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x698), id); + nvkm_wr32(device, GPC_UNIT(gpc, 0x0c10 + tpc * 4), id); + nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x088), id); + id++; + } + } + } +} + +static void +gm200_grctx_generate_rop_active_fbps(struct gf100_gr *gr) +{ + struct nvkm_device *device = gr->base.engine.subdev.device; + const u32 fbp_count = nvkm_rd32(device, 0x12006c); + nvkm_mask(device, 0x408850, 0x0000000f, fbp_count); /* zrop */ + nvkm_mask(device, 0x408958, 0x0000000f, fbp_count); /* crop */ +} + +void +gm200_grctx_generate_405b60(struct gf100_gr *gr) +{ + struct nvkm_device *device = gr->base.engine.subdev.device; + const u32 dist_nr = DIV_ROUND_UP(gr->tpc_total, 4); + u32 dist[TPC_MAX / 4] = {}; + u32 gpcs[GPC_MAX] = {}; + u8 tpcnr[GPC_MAX]; + int tpc, gpc, i; + + memcpy(tpcnr, gr->tpc_nr, sizeof(gr->tpc_nr)); + + /* won't result in the same distribution as the binary driver where + * some of the gpcs have more tpcs than others, but this shall do + * for the moment. the code for earlier gpus has this issue too. + */ + for (gpc = -1, i = 0; i < gr->tpc_total; i++) { + do { + gpc = (gpc + 1) % gr->gpc_nr; + } while(!tpcnr[gpc]); + tpc = gr->tpc_nr[gpc] - tpcnr[gpc]--; + + dist[i / 4] |= ((gpc << 4) | tpc) << ((i % 4) * 8); + gpcs[gpc] |= i << (tpc * 8); + } + + for (i = 0; i < dist_nr; i++) + nvkm_wr32(device, 0x405b60 + (i * 4), dist[i]); + for (i = 0; i < gr->gpc_nr; i++) + nvkm_wr32(device, 0x405ba0 + (i * 4), gpcs[i]); +} + +void +gm200_grctx_generate_main(struct gf100_gr *gr, struct gf100_grctx *info) +{ + struct nvkm_device *device = gr->base.engine.subdev.device; + const struct gf100_grctx_func *grctx = gr->func->grctx; + u32 tmp; + int i; + + gf100_gr_mmio(gr, gr->fuc_sw_ctx); + + nvkm_wr32(device, 0x404154, 0x00000000); + + grctx->bundle(info); + grctx->pagepool(info); + grctx->attrib(info); + grctx->unkn(gr); + + gm200_grctx_generate_tpcid(gr); + gf100_grctx_generate_r406028(gr); + gk104_grctx_generate_r418bb8(gr); + + for (i = 0; i < 8; i++) + nvkm_wr32(device, 0x4064d0 + (i * 0x04), 0x00000000); + nvkm_wr32(device, 0x406500, 0x00000000); + + nvkm_wr32(device, 0x405b00, (gr->tpc_total << 8) | gr->gpc_nr); + + gm200_grctx_generate_rop_active_fbps(gr); + + for (tmp = 0, i = 0; i < gr->gpc_nr; i++) + tmp |= ((1 << gr->tpc_nr[i]) - 1) << (i * 4); + nvkm_wr32(device, 0x4041c4, tmp); + + gm200_grctx_generate_405b60(gr); + + gf100_gr_icmd(gr, gr->fuc_bundle); + nvkm_wr32(device, 0x404154, 0x00000800); + gf100_gr_mthd(gr, gr->fuc_method); + + nvkm_mask(device, 0x418e94, 0xffffffff, 0xc4230000); + nvkm_mask(device, 0x418e4c, 0xffffffff, 0x70000000); +} + +const struct gf100_grctx_func +gm200_grctx = { + .main = gm200_grctx_generate_main, + .unkn = gk104_grctx_generate_unkn, + .bundle = gm107_grctx_generate_bundle, + .bundle_size = 0x3000, + .bundle_min_gpm_fifo_depth = 0x180, + .bundle_token_limit = 0x780, + .pagepool = gm107_grctx_generate_pagepool, + .pagepool_size = 0x20000, + .attrib = gm107_grctx_generate_attrib, + .attrib_nr_max = 0x600, + .attrib_nr = 0x400, + .alpha_nr_max = 0x1800, + .alpha_nr = 0x1000, +}; |