diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2018-05-08 20:39:47 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2018-05-18 15:01:26 +1000 |
| commit | 5f6474a4e6ce3291abb1843b279a23a0bb050d37 (patch) | |
| tree | a75e8a6f196cda8fbcaa0c14594420ef713dcdc7 /drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.c | |
| parent | 5c05a589856ad5f79c22b0500340291c591c3050 (diff) | |
drm/nouveau/gr/gf100-: port tile mapping calculations from NVGPU
There's also a couple of hardcoded tables for a couple of very specific
configurations that NVGPU's algorithm didn't work for.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.c | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.c index 4c25389fe80a..949e1216b8ba 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.c @@ -1116,27 +1116,14 @@ gf100_grctx_generate_rop_mapping(struct gf100_gr *gr) { struct nvkm_device *device = gr->base.engine.subdev.device; u32 data[6] = {}, data2[2] = {}; - u8 tpcnr[GPC_MAX]; u8 shift, ntpcv; - int gpc, tpc, i; - - /* calculate first set of magics */ - memcpy(tpcnr, gr->tpc_nr, sizeof(gr->tpc_nr)); - - gpc = -1; - for (tpc = 0; tpc < gr->tpc_total; tpc++) { - do { - gpc = (gpc + 1) % gr->gpc_nr; - } while (!tpcnr[gpc]); - tpcnr[gpc]--; - - data[tpc / 6] |= gpc << ((tpc % 6) * 5); - } + int i; - for (; tpc < 32; tpc++) - data[tpc / 6] |= 7 << ((tpc % 6) * 5); + /* Pack tile map into register format. */ + for (i = 0; i < 32; i++) + data[i / 6] |= (gr->tile[i] & 0x07) << ((i % 6) * 5); - /* and the second... */ + /* Magic. */ shift = 0; ntpcv = gr->tpc_total; while (!(ntpcv & (1 << 4))) { |