drm/nouveau/gr/gm107-: fix touching non-existent ppcs in attrib cb setup
Also removes an XXX; according to nvgpu headers the field is called
NV_PGRAPH_GPCS_SWDX_TC_BETA_CB_SIZE_DIV3, so, apparently not some
magic we need to figure out :)
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgm107.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgm107.c
index 053ff2f..6d3c501 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgm107.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgm107.c
@@ -920,13 +920,15 @@
const u32 bs = attrib * gr->ppc_tpc_nr[gpc][ppc];
const u32 u = 0x418ea0 + (n * 0x04);
const u32 o = PPC_UNIT(gpc, ppc, 0);
+ if (!(gr->ppc_mask[gpc] & (1 << ppc)))
+ continue;
mmio_wr32(info, o + 0xc0, bs);
mmio_wr32(info, o + 0xf4, bo);
bo += grctx->attrib_nr_max * gr->ppc_tpc_nr[gpc][ppc];
mmio_wr32(info, o + 0xe4, as);
mmio_wr32(info, o + 0xf8, ao);
ao += grctx->alpha_nr_max * gr->ppc_tpc_nr[gpc][ppc];
- mmio_wr32(info, u, ((bs / 3 /*XXX*/) << 16) | bs);
+ mmio_wr32(info, u, ((bs / 3) << 16) | bs);
}
}
}