/*
* Copyright 2016 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"
#include <subdev/fb.h>
/*******************************************************************************
* PGRAPH context implementation
******************************************************************************/
void
gp100_grctx_generate_pagepool(struct gf100_gr_chan *chan, u64 addr)
{
gf100_grctx_patch_wr32(chan, 0 x40800c, addr >> 8 );
gf100_grctx_patch_wr32(chan, 0 x408010, 0 x8007d800);
gf100_grctx_patch_wr32(chan, 0 x419004, addr >> 8 );
gf100_grctx_patch_wr32(chan, 0 x419008, 0 x00000000);
}
static void
gp100_grctx_generate_attrib(struct gf100_gr_chan *chan)
{
struct gf100_gr *gr = chan->gr;
const struct gf100_grctx_func *grctx = gr->func->grctx;
const u32 alpha = grctx->alpha_nr;
const u32 attrib = grctx->attrib_nr;
const int max_batches = 0 xffff;
u32 size = grctx->alpha_nr_max * gr->tpc_total;
u32 ao = 0 ;
u32 bo = ao + size;
int gpc, ppc, n = 0 ;
gf100_grctx_patch_wr32(chan, 0 x405830, attrib);
gf100_grctx_patch_wr32(chan, 0 x40585c, alpha);
gf100_grctx_patch_wr32(chan, 0 x4064c4, ((alpha / 4 ) << 16 ) | max_batches);
for (gpc = 0 ; gpc < gr->gpc_nr; gpc++) {
for (ppc = 0 ; ppc < gr->func->ppc_nr; ppc++, n++) {
const u32 as = alpha * gr->ppc_tpc_nr[gpc][ppc];
const u32 bs = attrib * gr->ppc_tpc_max;
const u32 u = 0 x418ea0 + (n * 0 x04);
const u32 o = PPC_UNIT(gpc, ppc, 0 );
if (!(gr->ppc_mask[gpc] & (1 << ppc)))
continue ;
gf100_grctx_patch_wr32(chan, o + 0 xc0, bs);
gf100_grctx_patch_wr32(chan, o + 0 xf4, bo);
gf100_grctx_patch_wr32(chan, o + 0 xf0, bs);
bo += grctx->attrib_nr_max * gr->ppc_tpc_max;
gf100_grctx_patch_wr32(chan, o + 0 xe4, as);
gf100_grctx_patch_wr32(chan, o + 0 xf8, ao);
ao += grctx->alpha_nr_max * gr->ppc_tpc_nr[gpc][ppc];
gf100_grctx_patch_wr32(chan, u, bs);
}
}
gf100_grctx_patch_wr32(chan, 0 x418eec, 0 x00000000);
gf100_grctx_patch_wr32(chan, 0 x41befc, 0 x00000000);
}
void
gp100_grctx_generate_attrib_cb(struct gf100_gr_chan *chan, u64 addr, u32 size)
{
gm107_grctx_generate_attrib_cb(chan, addr, size);
gf100_grctx_patch_wr32(chan, 0 x419b00, 0 x00000000 | addr >> 12 );
gf100_grctx_patch_wr32(chan, 0 x419b04, 0 x80000000 | size >> 7 );
}
static u32
gp100_grctx_generate_attrib_cb_size(struct gf100_gr *gr)
{
const struct gf100_grctx_func *grctx = gr->func->grctx;
u32 size = grctx->alpha_nr_max * gr->tpc_total;
int gpc;
for (gpc = 0 ; gpc < gr->gpc_nr; gpc++)
size += grctx->attrib_nr_max * gr->func->ppc_nr * gr->ppc_tpc_max;
return ((size * 0 x20) + 128 ) & ~127 ;
}
void
gp100_grctx_generate_smid_config(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 ] = {}, gpcs[16 ] = {};
u8 sm, i;
for (sm = 0 ; sm < gr->sm_nr; sm++) {
const u8 gpc = gr->sm[sm].gpc;
const u8 tpc = gr->sm[sm].tpc;
dist[sm / 4 ] |= ((gpc << 4 ) | tpc) << ((sm % 4 ) * 8 );
gpcs[gpc + (gr->func->gpc_nr * (tpc / 4 ))] |= sm << ((tpc % 4 ) * 8 );
}
for (i = 0 ; i < dist_nr; i++)
nvkm_wr32(device, 0 x405b60 + (i * 4 ), dist[i]);
for (i = 0 ; i < ARRAY_SIZE(gpcs); i++)
nvkm_wr32(device, 0 x405ba0 + (i * 4 ), gpcs[i]);
}
const struct gf100_grctx_func
gp100_grctx = {
.main = gf100_grctx_generate_main,
.unkn = gk104_grctx_generate_unkn,
.bundle = gm107_grctx_generate_bundle,
.bundle_size = 0 x3000,
.bundle_min_gpm_fifo_depth = 0 x180,
.bundle_token_limit = 0 x1080,
.pagepool = gp100_grctx_generate_pagepool,
.pagepool_size = 0 x20000,
.attrib_cb_size = gp100_grctx_generate_attrib_cb_size,
.attrib_cb = gp100_grctx_generate_attrib_cb,
.attrib = gp100_grctx_generate_attrib,
.attrib_nr_max = 0 x660,
.attrib_nr = 0 x440,
.alpha_nr_max = 0 xc00,
.alpha_nr = 0 x800,
.sm_id = gm107_grctx_generate_sm_id,
.rop_mapping = gf117_grctx_generate_rop_mapping,
.dist_skip_table = gm200_grctx_generate_dist_skip_table,
.r406500 = gm200_grctx_generate_r406500,
.gpc_tpc_nr = gk104_grctx_generate_gpc_tpc_nr,
.tpc_mask = gm200_grctx_generate_tpc_mask,
.smid_config = gp100_grctx_generate_smid_config,
.r419a3c = gm200_grctx_generate_r419a3c,
};
Messung V0.5 in Prozent C=99 H=71 G=86
¤ Dauer der Verarbeitung: 0.13 Sekunden
(vorverarbeitet am 2026-10-06)
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